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CVE-2025-67038 · CVE record: PUBLISHED

Lantronix EDS5000, G520, and X300 OS Command Injection

Lantronix EDS5000 series, Lantronix G520 series, Lantronix X300 series, Lantronix E210 series, Lantronix E220 series

An issue was discovered in Lantronix EDS5000 2.1.0.0R3. The HTTP RPC module executes a shell command to write logs when user's authentication fails. The username is directly concatenated with the command without any sanitization. This allow attackers to inject arbitrary OS commands into the username parameter. Injected commands are executed with root privileges.

Exploitation evidence

Known exploited · CISA KEV listed

Added 2026-06-23. 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: 2026-06-26. 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

Lantronix / EDS5000 series

Default status: unaffected

affected: 0 to ≤ 2.1.0.0R3 (custom)
unaffected: 2.2.0.0R1

Lantronix / G520 series

Default status: unaffected

affected: 0 to < 2.6.0.4R6 (custom)
unaffected: 2.6.0.4R6

Lantronix / X300 series

Default status: unaffected

affected: 0 to < 2.6.0.4R6 (custom)
unaffected: 2.6.0.4R6

Lantronix / E210 series

Default status: unaffected

affected: 0 to < 3.21.0.0R1 (custom)
unaffected: 3.21.0.0R1

Lantronix / E220 series

Default status: unaffected

affected: 0 to < 3.21.0.0R1 (custom)
unaffected: 3.21.0.0R1

Fixes and workarounds

Latronix has released the following updates addressing this vulnerability. For more information, see the Latronix Vulnerability Library ( https://www.lantronix.com/technical-support/security-updates/vulnerability-disclosure-policy/vulnerability-library/?_gl=16c8bez_upMQ.._gaMzQwNjk5ODI5LjE3ODI5MTM3NTk._ga_M2G6RLT5L3*czE3ODI5MTM3NTgkbzEkZzAkdDE3ODI5MTM3NTgkajYwJGwwJGgw ).

Sources and related reporting

CVE Program record ↗ · Download tracked evidence as JSON

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": 0.21146,
  "percentile": 0.97618
}

10 Nov 2026, 18:20 Jerusalem · EPSS observation updated

Stored EPSS snapshot at this observation.

{
  "date": "2026-11-10",
  "epss": 0.21146,
  "percentile": 0.97603
}

09 Nov 2026, 18:20 Jerusalem · EPSS observation updated

Stored EPSS snapshot at this observation.

{
  "date": "2026-11-09",
  "epss": 0.21146,
  "percentile": 0.976
}

08 Nov 2026, 18:20 Jerusalem · EPSS observation updated

Stored EPSS snapshot at this observation.

{
  "date": "2026-11-08",
  "epss": 0.21146,
  "percentile": 0.97599
}

07 Nov 2026, 18:20 Jerusalem · EPSS observation updated

Stored EPSS snapshot at this observation.

{
  "date": "2026-11-07",
  "epss": 0.21146,
  "percentile": 0.97598
}

06 Nov 2026, 18:20 Jerusalem · EPSS observation updated

Stored EPSS snapshot at this observation.

{
  "date": "2026-11-06",
  "epss": 0.21146,
  "percentile": 0.97594
}

06 Nov 2026, 06:20 Jerusalem · EPSS observation updated

Stored EPSS snapshot at this observation.

{
  "date": "2026-11-05",
  "epss": 0.20286,
  "percentile": 0.97484
}

04 Nov 2026, 18:20 Jerusalem · EPSS observation updated

Stored EPSS snapshot at this observation.

{
  "date": "2026-11-04",
  "epss": 0.20286,
  "percentile": 0.97482
}

03 Nov 2026, 18:20 Jerusalem · EPSS observation updated

Stored EPSS snapshot at this observation.

{
  "date": "2026-11-03",
  "epss": 0.20286,
  "percentile": 0.97478
}

03 Nov 2026, 12:20 Jerusalem · CVE Program record changed

Stored CNA snapshot at this observation.

{
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          "lang": "en",
          "supportingMedia": [
            {
              "base64": false,
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              "value": "EDS5000 series: Upgrade to version 2.2.0.0R1 or later. The patch can be found here:&nbsp;<br><a href=\"https://ltrxdev.atlassian.net/wiki/spaces/LTRXTS/pages/2538438657/Latest+Firmware+for+the+EDS5000+series+EDS5008+EDS5016+EDS5032\">https://ltrxdev.atlassian.net/wiki/spaces/LTRXTS/pages/2538438657/Latest+Firmware+for+the+EDS5000+series+EDS5008+EDS5016+EDS5032</a>"
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        },
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          "lang": "en",
          "supportingMedia": [
            {
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              "value": "G520 series: Upgrade to version 2.6.0.4R6 or later. The patch can be found here:&nbsp;<br><a href=\"https://ltrxdev.atlassian.net/wiki/spaces/LTRXTS/pages/1889828865/Latest+firmware+for+the+G520+Series+G526+G526RP+G527+G528\">https://ltrxdev.atlassian.net/wiki/spaces/LTRXTS/pages/1889828865/Latest+firmware+for+the+G520+Series+G526+G526RP+G527+G528</a>"
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              "value": "X300 series: Upgrade to version 2.6.0.4R6 or later. The patch can be found here:&nbsp;<br><a href=\"https://ltrxdev.atlassian.net/wiki/spaces/LTRXTS/pages/2135261185/Latest+firmware+for+the+X300+Series+X300+X303+X304\">https://ltrxdev.atlassian.net/wiki/spaces/LTRXTS/pages/2135261185/Latest+firmware+for+the+X300+Series+X300+X303+X304</a>"
            }
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    "cveId": "CVE-2025-67038",
    "datePublished": "2026-03-11T00:00:00.000Z",
    "dateReserved": "2025-12-08T00:00:00.000Z",
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03 Nov 2026, 02:22 Jerusalem · EPSS observation updated

Stored EPSS snapshot at this observation.

{
  "date": "2026-11-02",
  "epss": 0.20286,
  "percentile": 0.97475
}

03 Nov 2026, 02:22 Jerusalem · CISA KEV status changed

Stored KEV snapshot at this observation.

{
  "cveID": "CVE-2025-67038",
  "cwes": [
    "CWE-78",
    "CWE-94"
  ],
  "dateAdded": "2026-06-23",
  "dueDate": "2026-06-26",
  "forensicTriage": "No",
  "knownRansomwareCampaignUse": "Unknown",
  "notes": "https://ltrxdev.atlassian.net/wiki/spaces/LTRXTS/pages/2538438657/Latest+Firmware+for+the+EDS5000+series+EDS5008+EDS5016+EDS5032 ; 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-2025-67038",
  "product": "EDS5000",
  "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": "Lantronix EDS5000 contains a code injection vulnerability that could allow attackers to inject arbitrary OS commands into the username parameter. Injected commands are executed with root privileges.",
  "vendorProject": "Lantronix",
  "vulnerabilityName": "Lantronix EDS5000 Code Injection Vulnerability"
}

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