Exploitation evidence
Known exploited · CISA KEV listed
Added 2026-10-29. Ransomware campaign use: Unknown.
CISA required action: Apply mitigations in accordance with vendor instructions, ensuring compliance with CISA’s BOD 26-04 Prioritizing Security Updates Based on Risk (see URL in Notes) guidance and CISA’s “Forensics Triage Requirements” (see URL in Notes). Follow applicable BOD 26-04 guidance for cloud services or discontinue use of the product if mitigations are unavailable. Stakeholders are responsible for evaluating each asset's internet exposure and ensuring adherence to BOD 26-04 patching guidelines.
CISA due date: 2026-11-01. This is the catalog’s deadline, not an assessment of your organization’s exposure.
KEV checked 13 Nov 2026, 00:20 Jerusalem · Original catalog ↗Reported products and versions
Cisco / Cisco Secure Firewall Adaptive Security Appliance (ASA) Software
Default status: unknown
- affected: 9.16.1
- affected: 9.16.1.28
- affected: 9.16.2
- affected: 9.16.2.3
- affected: 9.16.2.7
- affected: 9.16.2.11
- affected: 9.16.2.13
- affected: 9.16.2.14
- affected: 9.16.3.3
- affected: 9.16.3
- affected: 9.16.3.14
- affected: 9.18.1
- affected: 9.16.3.15
- affected: 9.18.1.3
- affected: 9.18.2
- affected: 9.16.3.19
- affected: 9.16.3.23
- affected: 9.18.2.5
- affected: 9.16.4
- affected: 9.18.2.7
- affected: 9.19.1
- affected: 9.16.4.9
- affected: 9.18.2.8
- affected: 9.16.4.14
- affected: 9.18.3
- affected: 9.19.1.5
- affected: 9.16.4.18
- affected: 9.19.1.9
- affected: 9.18.3.39
- affected: 9.16.4.19
- affected: 9.19.1.12
- affected: 9.18.3.46
- affected: 9.16.4.27
- affected: 9.19.1.18
- affected: 9.18.3.53
- affected: 9.18.3.55
- affected: 9.16.4.38
- affected: 9.16.4.39
- affected: 9.18.3.56
- affected: 9.20.1
- affected: 9.16.4.42
- affected: 9.19.1.22
- affected: 9.18.4
- affected: 9.20.1.5
- affected: 9.18.4.5
- affected: 9.19.1.24
- affected: 9.16.4.48
- affected: 9.18.4.8
- affected: 9.20.2
- affected: 9.19.1.27
- affected: 9.16.4.55
- affected: 9.18.4.22
- affected: 9.20.2.10
- affected: 9.16.4.57
- affected: 9.19.1.28
- affected: 9.18.4.24
- affected: 9.20.2.21
- affected: 9.16.4.61
- affected: 9.19.1.31
- affected: 9.18.4.29
- affected: 9.20.2.22
- affected: 9.16.4.62
- affected: 9.18.4.34
- affected: 9.20.3
- affected: 9.16.4.67
- affected: 9.16.4.70
- affected: 9.18.4.40
- affected: 9.23.1
- affected: 9.22.1.1
- affected: 9.16.4.71
- affected: 9.20.3.4
- affected: 9.18.4.47
- affected: 9.20.3.7
- affected: 9.19.1.37
- affected: 9.16.4.76
- affected: 9.20.3.9
- affected: 9.19.1.38
- affected: 9.18.4.50
- affected: 9.22.1.3
- affected: 9.20.3.10
- affected: 9.22.1.2
- affected: 9.18.4.52
- affected: 9.20.3.13
- affected: 9.22.1.6
- affected: 9.18.4.53
- affected: 9.16.4.82
- affected: 9.22.2
- affected: 9.20.3.16
- affected: 9.19.1.42
- affected: 9.18.4.57
- affected: 9.16.4.84
- affected: 9.23.1.3
- affected: 9.20.3.20
- affected: 9.22.2.4
- affected: 9.23.1.7
- affected: 9.20.4
- affected: 9.22.2.9
- affected: 9.23.1.13
- affected: 9.20.4.7
- affected: 9.22.2.13
- affected: 9.18.4.66
- affected: 9.20.4.10
- affected: 9.23.1.19
- affected: 9.16.4.85
- affected: 9.22.2.14
- affected: 9.18.4.67
- affected: 9.24.1
- affected: 9.18.4.68
- affected: 9.23.1.22
- affected: 9.20.4.14
- affected: 9.22.2.20
- affected: 9.18.4.71
- affected: 9.20.4.19
- affected: 9.23.1.26
- affected: 9.16.4.89
- affected: 9.22.2.32
- affected: 9.18.4.76
- affected: 9.22.3
- affected: 9.24.1.5
- affected: 9.20.4.22
- affected: 9.24.1.9
- affected: 9.20.4.28
- affected: 9.22.3.5
- affected: 9.16.4.92
- affected: 9.18.4.135
- affected: 9.23.1.195
- affected: 9.20.4.30
- affected: 9.24.1.155
- affected: 9.23.1.32
- affected: 9.24.1.11
- affected: 9.20.4.34
- affected: 9.18.4.82
- affected: 9.24.10
- affected: 9.18.4.90
- affected: 9.20.4.46
- affected: 9.20.4.235
- affected: 9.20.4.49
- affected: 9.22.3.26
- affected: 9.16.4.103
- affected: 9.18.4.94
- affected: 9.23.1.47
- affected: 9.24.1.26
Cisco / Cisco Secure Firewall Threat Defense (FTD) Software
Default status: unknown
- affected: 7.0.0
- affected: 7.0.0.1
- affected: 7.0.1
- affected: 7.0.1.1
- affected: 7.0.2
- affected: 7.2.0
- affected: 7.0.2.1
- affected: 7.0.3
- affected: 7.2.0.1
- affected: 7.0.4
- affected: 7.2.1
- affected: 7.0.5
- affected: 7.3.0
- affected: 7.2.2
- affected: 7.2.3
- affected: 7.3.1
- affected: 7.2.4
- affected: 7.0.6
- affected: 7.2.5
- affected: 7.2.4.1
- affected: 7.3.1.1
- affected: 7.4.0
- affected: 7.0.6.1
- affected: 7.2.5.1
- affected: 7.4.1
- affected: 7.2.6
- affected: 7.0.6.2
- affected: 7.4.1.1
- affected: 7.2.7
- affected: 7.2.5.2
- affected: 7.3.1.2
- affected: 7.2.8
- affected: 7.6.0
- affected: 7.4.2
- affected: 7.2.8.1
- affected: 7.0.6.3
- affected: 7.4.2.1
- affected: 7.2.9
- affected: 7.0.7
- affected: 7.7.0
- affected: 7.4.2.2
- affected: 7.2.10
- affected: 7.6.1
- affected: 7.4.2.3
- affected: 7.0.8
- affected: 7.6.2
- affected: 7.7.10
- affected: 7.7.11
- affected: 7.0.8.1
- affected: 7.6.2.1
- affected: 7.7.10.1
- affected: 7.4.2.4
- affected: 7.2.10.2
- affected: 7.4.3
- affected: 7.6.4
- affected: 10.0.0
- affected: 7.4.4
- affected: 7.0.9
- affected: 7.2.11
- affected: 7.4.7
- affected: 7.4.8
- affected: 7.2.12
- affected: 7.6.6
- affected: 7.7.13
- affected: 10.0.2
- affected: 7.0.10
- affected: 10.1.0
Fixes and workarounds
No explicit solution text in the downloaded CVE record. Consult the vendor advisory; unaffected version ranges are shown above as reported, not inferred as a patch recommendation.
Sources and related reporting
CVE Program record ↗ · Download tracked evidence as JSON
- https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-asaftd-tunnel-dos-s6mgkb75
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-76418
Monitored source mentions
Shared CVE identifiers link source mentions; they do not establish that the reports describe the same incident.
Observed change timeline
History begins when Egret first downloads each source. It is not the complete upstream CVE history.
12 Nov 2026, 18:20 Jerusalem · EPSS observation updated
Stored EPSS snapshot at this observation.
{
"date": "2026-11-12",
"epss": 0.00821,
"percentile": 0.57775
}10 Nov 2026, 18:20 Jerusalem · EPSS observation updated
Stored EPSS snapshot at this observation.
{
"date": "2026-11-10",
"epss": 0.00821,
"percentile": 0.57605
}09 Nov 2026, 18:20 Jerusalem · EPSS observation updated
Stored EPSS snapshot at this observation.
{
"date": "2026-11-09",
"epss": 0.00821,
"percentile": 0.57555
}08 Nov 2026, 18:20 Jerusalem · EPSS observation updated
Stored EPSS snapshot at this observation.
{
"date": "2026-11-08",
"epss": 0.00821,
"percentile": 0.57541
}07 Nov 2026, 18:20 Jerusalem · EPSS observation updated
Stored EPSS snapshot at this observation.
{
"date": "2026-11-07",
"epss": 0.00821,
"percentile": 0.57523
}06 Nov 2026, 18:20 Jerusalem · EPSS observation updated
Stored EPSS snapshot at this observation.
{
"date": "2026-11-06",
"epss": 0.00821,
"percentile": 0.57464
}06 Nov 2026, 06:20 Jerusalem · EPSS observation updated
Stored EPSS snapshot at this observation.
{
"date": "2026-11-05",
"epss": 0.00821,
"percentile": 0.57433
}04 Nov 2026, 18:20 Jerusalem · EPSS observation updated
Stored EPSS snapshot at this observation.
{
"date": "2026-11-04",
"epss": 0.00821,
"percentile": 0.57407
}03 Nov 2026, 18:20 Jerusalem · EPSS observation updated
Stored EPSS snapshot at this observation.
{
"date": "2026-11-03",
"epss": 0.00821,
"percentile": 0.57342
}03 Nov 2026, 02:22 Jerusalem · EPSS observation updated
Stored EPSS snapshot at this observation.
{
"date": "2026-11-02",
"epss": 0.00821,
"percentile": 0.57299
}03 Nov 2026, 02:22 Jerusalem · CVE Program record changed
Stored CNA snapshot at this observation.
{
"containers": {
"adp": [
{
"metrics": [
{
"other": {
"content": {
"id": "CVE-2026-76418",
"options": [
{
"Exploitation": "active"
},
{
"Automatable": "yes"
},
{
"Technical Impact": "partial"
}
],
"role": "CISA Coordinator",
"timestamp": "2026-10-28T00:00:00+00:00",
"version": "2.0.3"
},
"type": "ssvc"
}
},
{
"other": {
"content": {
"dateAdded": "2026-10-29",
"reference": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-76418"
},
"type": "kev"
}
}
],
"providerMetadata": {
"dateUpdated": "2026-10-30T03:55:57.976Z",
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP"
},
"references": [
{
"tags": [
"government-resource"
],
"url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-76418"
}
],
"timeline": [
{
"lang": "en",
"time": "2026-10-29T00:00:00.000Z",
"value": "CVE-2026-76418 added to CISA KEV"
}
],
"title": "CISA ADP Vulnrichment"
}
],
"cna": {
"affected": [
{
"defaultStatus": "unknown",
"product": "Cisco Secure Firewall Adaptive Security Appliance (ASA) Software",
"vendor": "Cisco",
"versions": [
{
"status": "affected",
"version": "9.16.1"
},
{
"status": "affected",
"version": "9.16.1.28"
},
{
"status": "affected",
"version": "9.16.2"
},
{
"status": "affected",
"version": "9.16.2.3"
},
{
"status": "affected",
"version": "9.16.2.7"
},
{
"status": "affected",
"version": "9.16.2.11"
},
{
"status": "affected",
"version": "9.16.2.13"
},
{
"status": "affected",
"version": "9.16.2.14"
},
{
"status": "affected",
"version": "9.16.3.3"
},
{
"status": "affected",
"version": "9.16.3"
},
{
"status": "affected",
"version": "9.16.3.14"
},
{
"status": "affected",
"version": "9.18.1"
},
{
"status": "affected",
"version": "9.16.3.15"
},
{
"status": "affected",
"version": "9.18.1.3"
},
{
"status": "affected",
"version": "9.18.2"
},
{
"status": "affected",
"version": "9.16.3.19"
},
{
"status": "affected",
"version": "9.16.3.23"
},
{
"status": "affected",
"version": "9.18.2.5"
},
{
"status": "affected",
"version": "9.16.4"
},
{
"status": "affected",
"version": "9.18.2.7"
},
{
"status": "affected",
"version": "9.19.1"
},
{
"status": "affected",
"version": "9.16.4.9"
},
{
"status": "affected",
"version": "9.18.2.8"
},
{
"status": "affected",
"version": "9.16.4.14"
},
{
"status": "affected",
"version": "9.18.3"
},
{
"status": "affected",
"version": "9.19.1.5"
},
{
"status": "affected",
"version": "9.16.4.18"
},
{
"status": "affected",
"version": "9.19.1.9"
},
{
"status": "affected",
"version": "9.18.3.39"
},
{
"status": "affected",
"version": "9.16.4.19"
},
{
"status": "affected",
"version": "9.19.1.12"
},
{
"status": "affected",
"version": "9.18.3.46"
},
{
"status": "affected",
"version": "9.16.4.27"
},
{
"status": "affected",
"version": "9.19.1.18"
},
{
"status": "affected",
"version": "9.18.3.53"
},
{
"status": "affected",
"version": "9.18.3.55"
},
{
"status": "affected",
"version": "9.16.4.38"
},
{
"status": "affected",
"version": "9.16.4.39"
},
{
"status": "affected",
"version": "9.18.3.56"
},
{
"status": "affected",
"version": "9.20.1"
},
{
"status": "affected",
"version": "9.16.4.42"
},
{
"status": "affected",
"version": "9.19.1.22"
},
{
"status": "affected",
"version": "9.18.4"
},
{
"status": "affected",
"version": "9.20.1.5"
},
{
"status": "affected",
"version": "9.18.4.5"
},
{
"status": "affected",
"version": "9.19.1.24"
},
{
"status": "affected",
"version": "9.16.4.48"
},
{
"status": "affected",
"version": "9.18.4.8"
},
{
"status": "affected",
"version": "9.20.2"
},
{
"status": "affected",
"version": "9.19.1.27"
},
{
"status": "affected",
"version": "9.16.4.55"
},
{
"status": "affected",
"version": "9.18.4.22"
},
{
"status": "affected",
"version": "9.20.2.10"
},
{
"status": "affected",
"version": "9.16.4.57"
},
{
"status": "affected",
"version": "9.19.1.28"
},
{
"status": "affected",
"version": "9.18.4.24"
},
{
"status": "affected",
"version": "9.20.2.21"
},
{
"status": "affected",
"version": "9.16.4.61"
},
{
"status": "affected",
"version": "9.19.1.31"
},
{
"status": "affected",
"version": "9.18.4.29"
},
{
"status": "affected",
"version": "9.20.2.22"
},
{
"status": "affected",
"version": "9.16.4.62"
},
{
"status": "affected",
"version": "9.18.4.34"
},
{
"status": "affected",
"version": "9.20.3"
},
{
"status": "affected",
"version": "9.16.4.67"
},
{
"status": "affected",
"version": "9.16.4.70"
},
{
"status": "affected",
"version": "9.18.4.40"
},
{
"status": "affected",
"version": "9.23.1"
},
{
"status": "affected",
"version": "9.22.1.1"
},
{
"status": "affected",
"version": "9.16.4.71"
},
{
"status": "affected",
"version": "9.20.3.4"
},
{
"status": "affected",
"version": "9.18.4.47"
},
{
"status": "affected",
"version": "9.20.3.7"
},
{
"status": "affected",
"version": "9.19.1.37"
},
{
"status": "affected",
"version": "9.16.4.76"
},
{
"status": "affected",
"version": "9.20.3.9"
},
{
"status": "affected",
"version": "9.19.1.38"
},
{
"status": "affected",
"version": "9.18.4.50"
},
{
"status": "affected",
"version": "9.22.1.3"
},
{
"status": "affected",
"version": "9.20.3.10"
},
{
"status": "affected",
"version": "9.22.1.2"
},
{
"status": "affected",
"version": "9.18.4.52"
},
{
"status": "affected",
"version": "9.20.3.13"
},
{
"status": "affected",
"version": "9.22.1.6"
},
{
"status": "affected",
"version": "9.18.4.53"
},
{
"status": "affected",
"version": "9.16.4.82"
},
{
"status": "affected",
"version": "9.22.2"
},
{
"status": "affected",
"version": "9.20.3.16"
},
{
"status": "affected",
"version": "9.19.1.42"
},
{
"status": "affected",
"version": "9.18.4.57"
},
{
"status": "affected",
"version": "9.16.4.84"
},
{
"status": "affected",
"version": "9.23.1.3"
},
{
"status": "affected",
"version": "9.20.3.20"
},
{
"status": "affected",
"version": "9.22.2.4"
},
{
"status": "affected",
"version": "9.23.1.7"
},
{
"status": "affected",
"version": "9.20.4"
},
{
"status": "affected",
"version": "9.22.2.9"
},
{
"status": "affected",
"version": "9.23.1.13"
},
{
"status": "affected",
"version": "9.20.4.7"
},
{
"status": "affected",
"version": "9.22.2.13"
},
{
"status": "affected",
"version": "9.18.4.66"
},
{
"status": "affected",
"version": "9.20.4.10"
},
{
"status": "affected",
"version": "9.23.1.19"
},
{
"status": "affected",
"version": "9.16.4.85"
},
{
"status": "affected",
"version": "9.22.2.14"
},
{
"status": "affected",
"version": "9.18.4.67"
},
{
"status": "affected",
"version": "9.24.1"
},
{
"status": "affected",
"version": "9.18.4.68"
},
{
"status": "affected",
"version": "9.23.1.22"
},
{
"status": "affected",
"version": "9.20.4.14"
},
{
"status": "affected",
"version": "9.22.2.20"
},
{
"status": "affected",
"version": "9.18.4.71"
},
{
"status": "affected",
"version": "9.20.4.19"
},
{
"status": "affected",
"version": "9.23.1.26"
},
{
"status": "affected",
"version": "9.16.4.89"
},
{
"status": "affected",
"version": "9.22.2.32"
},
{
"status": "affected",
"version": "9.18.4.76"
},
{
"status": "affected",
"version": "9.22.3"
},
{
"status": "affected",
"version": "9.24.1.5"
},
{
"status": "affected",
"version": "9.20.4.22"
},
{
"status": "affected",
"version": "9.24.1.9"
},
{
"status": "affected",
"version": "9.20.4.28"
},
{
"status": "affected",
"version": "9.22.3.5"
},
{
"status": "affected",
"version": "9.16.4.92"
},
{
"status": "affected",
"version": "9.18.4.135"
},
{
"status": "affected",
"version": "9.23.1.195"
},
{
"status": "affected",
"version": "9.20.4.30"
},
{
"status": "affected",
"version": "9.24.1.155"
},
{
"status": "affected",
"version": "9.23.1.32"
},
{
"status": "affected",
"version": "9.24.1.11"
},
{
"status": "affected",
"version": "9.20.4.34"
},
{
"status": "affected",
"version": "9.18.4.82"
},
{
"status": "affected",
"version": "9.24.10"
},
{
"status": "affected",
"version": "9.18.4.90"
},
{
"status": "affected",
"version": "9.20.4.46"
},
{
"status": "affected",
"version": "9.20.4.235"
},
{
"status": "affected",
"version": "9.20.4.49"
},
{
"status": "affected",
"version": "9.22.3.26"
},
{
"status": "affected",
"version": "9.16.4.103"
},
{
"status": "affected",
"version": "9.18.4.94"
},
{
"status": "affected",
"version": "9.23.1.47"
},
{
"status": "affected",
"version": "9.24.1.26"
}
]
},
{
"defaultStatus": "unknown",
"product": "Cisco Secure Firewall Threat Defense (FTD) Software",
"vendor": "Cisco",
"versions": [
{
"status": "affected",
"version": "7.0.0"
},
{
"status": "affected",
"version": "7.0.0.1"
},
{
"status": "affected",
"version": "7.0.1"
},
{
"status": "affected",
"version": "7.0.1.1"
},
{
"status": "affected",
"version": "7.0.2"
},
{
"status": "affected",
"version": "7.2.0"
},
{
"status": "affected",
"version": "7.0.2.1"
},
{
"status": "affected",
"version": "7.0.3"
},
{
"status": "affected",
"version": "7.2.0.1"
},
{
"status": "affected",
"version": "7.0.4"
},
{
"status": "affected",
"version": "7.2.1"
},
{
"status": "affected",
"version": "7.0.5"
},
{
"status": "affected",
"version": "7.3.0"
},
{
"status": "affected",
"version": "7.2.2"
},
{
"status": "affected",
"version": "7.2.3"
},
{
"status": "affected",
"version": "7.3.1"
},
{
"status": "affected",
"version": "7.2.4"
},
{
"status": "affected",
"version": "7.0.6"
},
{
"status": "affected",
"version": "7.2.5"
},
{
"status": "affected",
"version": "7.2.4.1"
},
{
"status": "affected",
"version": "7.3.1.1"
},
{
"status": "affected",
"version": "7.4.0"
},
{
"status": "affected",
"version": "7.0.6.1"
},
{
"status": "affected",
"version": "7.2.5.1"
},
{
"status": "affected",
"version": "7.4.1"
},
{
"status": "affected",
"version": "7.2.6"
},
{
"status": "affected",
"version": "7.0.6.2"
},
{
"status": "affected",
"version": "7.4.1.1"
},
{
"status": "affected",
"version": "7.2.7"
},
{
"status": "affected",
"version": "7.2.5.2"
},
{
"status": "affected",
"version": "7.3.1.2"
},
{
"status": "affected",
"version": "7.2.8"
},
{
"status": "affected",
"version": "7.6.0"
},
{
"status": "affected",
"version": "7.4.2"
},
{
"status": "affected",
"version": "7.2.8.1"
},
{
"status": "affected",
"version": "7.0.6.3"
},
{
"status": "affected",
"version": "7.4.2.1"
},
{
"status": "affected",
"version": "7.2.9"
},
{
"status": "affected",
"version": "7.0.7"
},
{
"status": "affected",
"version": "7.7.0"
},
{
"status": "affected",
"version": "7.4.2.2"
},
{
"status": "affected",
"version": "7.2.10"
},
{
"status": "affected",
"version": "7.6.1"
},
{
"status": "affected",
"version": "7.4.2.3"
},
{
"status": "affected",
"version": "7.0.8"
},
{
"status": "affected",
"version": "7.6.2"
},
{
"status": "affected",
"version": "7.7.10"
},
{
"status": "affected",
"version": "7.7.11"
},
{
"status": "affected",
"version": "7.0.8.1"
},
{
"status": "affected",
"version": "7.6.2.1"
},
{
"status": "affected",
"version": "7.7.10.1"
},
{
"status": "affected",
"version": "7.4.2.4"
},
{
"status": "affected",
"version": "7.2.10.2"
},
{
"status": "affected",
"version": "7.4.3"
},
{
"status": "affected",
"version": "7.6.4"
},
{
"status": "affected",
"version": "10.0.0"
},
{
"status": "affected",
"version": "7.4.4"
},
{
"status": "affected",
"version": "7.0.9"
},
{
"status": "affected",
"version": "7.2.11"
},
{
"status": "affected",
"version": "7.4.7"
},
{
"status": "affected",
"version": "7.4.8"
},
{
"status": "affected",
"version": "7.2.12"
},
{
"status": "affected",
"version": "7.6.6"
},
{
"status": "affected",
"version": "7.7.13"
},
{
"status": "affected",
"version": "10.0.2"
},
{
"status": "affected",
"version": "7.0.10"
},
{
"status": "affected",
"version": "10.1.0"
}
]
}
],
"descriptions": [
{
"lang": "en",
"value": "A vulnerability in the Remote Access SSL VPN service of Cisco Secure Firewall Adaptive Security Appliance (ASA) Software and Cisco Secure Firewall Threat Defense (FTD) Software could allow an unauthenticated, remote attacker to cause the device to reload unexpectedly, resulting in a denial of service (DoS) condition. This vulnerability is due to logic errors when secondary authentication is configured on a tunnel group. An attacker could exploit this vulnerability by sending a crafted request when connecting to the SSL remote access VPN. A successful exploit could allow the attacker to cause the affected device to reload, resulting in a DoS condition."
}
],
"exploits": [
{
"lang": "en",
"value": "In October 2026, the Cisco PSIRT became aware of active exploitation of this vulnerability. Cisco strongly recommends that customers upgrade to a fixed software release to remediate this vulnerability."
}
],
"metrics": [
{
"cvssV3_1": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "HIGH",
"baseScore": 8.6,
"baseSeverity": "HIGH",
"confidentialityImpact": "NONE",
"integrityImpact": "NONE",
"privilegesRequired": "NONE",
"scope": "CHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H",
"version": "3.1"
},
"format": "cvssV3_1"
}
],
"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-690",
"description": "Unchecked Return Value to NULL Pointer Dereference",
"lang": "en",
"type": "cwe"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2026-10-28T20:05:31.926Z",
"orgId": "d1c1063e-7a18-46af-9102-31f8928bc633",
"shortName": "cisco"
},
"references": [
{
"name": "cisco-sa-asaftd-tunnel-dos-s6mgkb75",
"url": "https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-asaftd-tunnel-dos-s6mgkb75"
}
],
"source": {
"advisory": "cisco-sa-asaftd-tunnel-dos-s6mgkb75",
"defects": [
"CSCwx26625"
],
"discovery": "EXTERNAL"
},
"title": "Cisco Secure Firewall Adaptive Security Appliance and Secure Firewall Threat Defense Software Remote Access SSL VPN Tunnel Denial of Service Vulnerability"
}
},
"cveMetadata": {
"assignerOrgId": "d1c1063e-7a18-46af-9102-31f8928bc633",
"assignerShortName": "cisco",
"cveId": "CVE-2026-76418",
"datePublished": "2026-10-28T20:05:31.926Z",
"dateReserved": "2026-08-19T12:02:03.633Z",
"dateUpdated": "2026-10-30T03:55:57.976Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.2"
}03 Nov 2026, 02:22 Jerusalem · CISA KEV status changed
Stored KEV snapshot at this observation.
{
"cveID": "CVE-2026-76418",
"cwes": [
"CWE-690"
],
"dateAdded": "2026-10-29",
"dueDate": "2026-11-01",
"forensicTriage": "No",
"knownRansomwareCampaignUse": "Unknown",
"notes": "https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-asaftd-tunnel-dos-s6mgkb75 ; ; BOD 26-04: https://www.cisa.gov/news-events/directives/bod-26-04-prioritizing-security-updates-based-risk ; Forensics Triage Requirements: https://www.cisa.gov/news-events/directives/bod-26-04-implementation-guidance-prioritizing-security-updates-based-risk ; https://nvd.nist.gov/vuln/detail/CVE-2026-76418",
"product": "Secure Firewall ASA Software and Cisco Secure FTD Software",
"requiredAction": "Apply mitigations in accordance with vendor instructions, ensuring compliance with CISA’s BOD 26-04 Prioritizing Security Updates Based on Risk (see URL in Notes) guidance and CISA’s “Forensics Triage Requirements” (see URL in Notes). Follow applicable BOD 26-04 guidance for cloud services or discontinue use of the product if mitigations are unavailable. Stakeholders are responsible for evaluating each asset's internet exposure and ensuring adherence to BOD 26-04 patching guidelines.",
"shortDescription": "Cisco Secure Firewall ASA Software and Cisco Secure FTD Software contains an unchecked return value to NULL pointer dereference vulnerability that could allow an unauthenticated, remote attacker to cause the device to reload unexpectedly, resulting in a denial of service (DoS) condition.",
"vendorProject": "Cisco",
"vulnerabilityName": "Cisco Secure Firewall ASA Software and Cisco Secure FTD Software Unchecked Return Value to NULL Pointer Dereference Vulnerability"
}