November 13, 2026 Follow Egret
CVE-2023-50224 · CVE record: PUBLISHED

TP-Link TL-WR841N dropbearpwd Improper Authentication Information Disclosure Vulnerability

TP-Link TL-WR841N, TP-Link TL-WR841ND, TP-Link TL-MR6400, TP-Link Archer C5, TP-Link Archer C7, TP-Link TL-WDR3600, TP-Link TL-WDR4300, TP-Link TL-WDR3500, TP-Link TL-WR740N, TP-Link TL-WR741ND, TP-Link TL-WR749N, TP-Link TL-MR3420, TP-Link TL-WR1043ND, TP-Link TL-WR1045ND, TP-Link TL-WR840N, TP-Link TL-WR842N, TP-Link TL-WR842ND, TP-Link TL-WR845N, TP-Link TL-WR941ND, TP-Link TL-WR945N, TP-Link TL-WA801ND, TP-Link TL-WA901ND

TP-Link TL-WR841N dropbearpwd Improper Authentication Information Disclosure Vulnerability. This vulnerability allows network-adjacent attackers to disclose sensitive information on affected installations of TP-Link TL-WR841N routers. Authentication is not required to exploit this vulnerability. The specific flaw exists within the httpd service, which listens on TCP port 80 by default. The issue results from improper authentication. An attacker can leverage this vulnerability to disclose stored credentials, leading to further compromise. Was ZDI-CAN-19899.

Exploitation evidence

Known exploited · CISA KEV listed

Added 2025-09-03. Ransomware campaign use: Unknown.

CISA required action: Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.

CISA due date: 2025-09-24. 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

TP-Link / TL-WR841N

Default status: affected

  • affected: 3.16.9 build 200409 (custom)
  • affected: V8 (custom)
  • affected: V9 (custom)
  • affected: V10 (custom)
  • affected: V11 (custom)
  • unaffected: V11_211209 (custom)
  • affected: V12 (custom)
  • unaffected: V12_230317 (custom)

TP-Link / TL-WR841ND

Default status: affected

  • affected: V8 (custom)
  • affected: V9 (custom)
  • affected: V10 (custom)
  • affected: V11 (custom)
  • unaffected: V11_211209 (custom)
  • affected: V12 (custom)
  • unaffected: V12_230317 (custom)

TP-Link / TL-MR6400

Default status: affected

  • affected: V1 (custom)
  • affected: V2 (custom)

TP-Link / Archer C5

Default status: affected

  • affected: V2 (custom)

TP-Link / Archer C7

Default status: affected

  • affected: V2 (custom)
  • unaffected: V2_241108 (custom)
  • affected: V3 (custom)

TP-Link / TL-WDR3600

Default status: affected

  • affected: V2 (custom)

TP-Link / TL-WDR4300

Default status: affected

  • affected: V1 (custom)

TP-Link / TL-WDR3500

Default status: affected

  • affected: V2 (custom)

TP-Link / TL-WR740N

Default status: affected

  • affected: V4 (custom)
  • affected: V5 (custom)
  • affected: V6 (custom)
  • affected: V7 (custom)

TP-Link / TL-WR741ND

Default status: affected

  • affected: V4 (custom)
  • affected: V5 (custom)
  • affected: V6 (custom)

TP-Link / TL-WR749N

Default status: affected

  • affected: BR 6.0 (custom)
  • affected: BR 7.0 (custom)

TP-Link / TL-MR3420

Default status: affected

  • affected: V2 (custom)
  • affected: V3 (custom)
  • affected: V4 (custom)

TP-Link / TL-WR1043ND

Default status: affected

  • affected: V2 (custom)
  • affected: V3 (custom)
  • affected: V4 (custom)

TP-Link / TL-WR1045ND

Default status: affected

  • affected: RU V2 (custom)

TP-Link / TL-WR840N

Default status: affected

  • affected: V2 (custom)
  • affected: V3 (custom)

TP-Link / TL-WR842N

Default status: affected

  • affected: V2 (custom)
  • affected: V3 (custom)
  • affected: V4 (custom)

TP-Link / TL-WR842ND

Default status: affected

  • affected: V2 (custom)
  • affected: V3 (custom)
  • affected: V4 (custom)

TP-Link / TL-WR845N

Default status: affected

  • affected: V1 (custom)
  • affected: V2 (custom)

TP-Link / TL-WR941ND

Default status: affected

  • affected: V5 (custom)
  • affected: V6 (custom)
  • unaffected: V6_220610 (custom)

TP-Link / TL-WR945N

Default status: affected

  • affected: V1 (custom)

TP-Link / TL-WA801ND

Default status: affected

  • affected: V3 (custom)
  • affected: V4 (custom)

TP-Link / TL-WA901ND

Default status: affected

  • affected: V3 (custom)
  • affected: V4 (custom)
  • unaffected: V4_201030 (custom)
  • affected: V5 (custom)
  • unaffected: V5_201030 (custom)

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

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": 0.20021,
  "percentile": 0.97477
}
10 Nov 2026, 18:20 Jerusalem · EPSS observation updated

Stored EPSS snapshot at this observation.

{
  "date": "2026-11-10",
  "epss": 0.20021,
  "percentile": 0.97462
}
09 Nov 2026, 18:20 Jerusalem · EPSS observation updated

Stored EPSS snapshot at this observation.

{
  "date": "2026-11-09",
  "epss": 0.20021,
  "percentile": 0.97458
}
08 Nov 2026, 18:20 Jerusalem · EPSS observation updated

Stored EPSS snapshot at this observation.

{
  "date": "2026-11-08",
  "epss": 0.20021,
  "percentile": 0.97458
}
07 Nov 2026, 18:20 Jerusalem · EPSS observation updated

Stored EPSS snapshot at this observation.

{
  "date": "2026-11-07",
  "epss": 0.20021,
  "percentile": 0.97456
}
06 Nov 2026, 18:20 Jerusalem · EPSS observation updated

Stored EPSS snapshot at this observation.

{
  "date": "2026-11-06",
  "epss": 0.20021,
  "percentile": 0.97453
}
06 Nov 2026, 06:20 Jerusalem · EPSS observation updated

Stored EPSS snapshot at this observation.

{
  "date": "2026-11-05",
  "epss": 0.20021,
  "percentile": 0.97451
}
04 Nov 2026, 18:20 Jerusalem · EPSS observation updated

Stored EPSS snapshot at this observation.

{
  "date": "2026-11-04",
  "epss": 0.20021,
  "percentile": 0.97448
}
04 Nov 2026, 18:20 Jerusalem · CVE Program record changed

Stored CNA snapshot at this observation.

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  "containers": {
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      {
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          {
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                "reference": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2023-50224"
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        "timeline": [
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            "lang": "en",
            "time": "2025-09-03T00:00:00.000Z",
            "value": "CVE-2023-50224 added to CISA KEV"
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        "title": "CISA ADP Vulnrichment"
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      {
        "providerMetadata": {
          "dateUpdated": "2024-08-02T22:09:49.801Z",
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          },
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            "name": "vendor-provided URL",
            "tags": [
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            "url": "https://www.tp-link.com/en/support/download/tl-wr841n/v12/#Firmware"
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        ],
        "title": "CVE Program Container"
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        {
          "defaultStatus": "affected",
          "product": "TL-MR6400",
          "vendor": "TP-Link",
          "versions": [
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              "version": "V1",
              "versionType": "custom"
            },
            {
              "status": "affected",
              "version": "V2",
              "versionType": "custom"
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          "defaultStatus": "affected",
          "product": "Archer C5",
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        {
          "defaultStatus": "affected",
          "product": "Archer C7",
          "vendor": "TP-Link",
          "versions": [
            {
              "status": "affected",
              "version": "V2",
              "versionType": "custom"
            },
            {
              "status": "unaffected",
              "version": "V2_241108",
              "versionType": "custom"
            },
            {
              "status": "affected",
              "version": "V3",
              "versionType": "custom"
            }
          ]
        },
        {
          "defaultStatus": "affected",
          "product": "TL-WDR3600",
          "vendor": "TP-Link",
          "versions": [
            {
              "status": "affected",
              "version": "V2",
              "versionType": "custom"
            }
          ]
        },
        {
          "defaultStatus": "affected",
          "product": "TL-WDR4300",
          "vendor": "TP-Link",
          "versions": [
            {
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              "version": "V1",
              "versionType": "custom"
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          ]
        },
        {
          "defaultStatus": "affected",
          "product": "TL-WDR3500",
          "vendor": "TP-Link",
          "versions": [
            {
              "status": "affected",
              "version": "V2",
              "versionType": "custom"
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          ]
        },
        {
          "defaultStatus": "affected",
          "product": "TL-WR740N",
          "vendor": "TP-Link",
          "versions": [
            {
              "status": "affected",
              "version": "V4",
              "versionType": "custom"
            },
            {
              "status": "affected",
              "version": "V5",
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            },
            {
              "status": "affected",
              "version": "V6",
              "versionType": "custom"
            },
            {
              "status": "affected",
              "version": "V7",
              "versionType": "custom"
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          ]
        },
        {
          "defaultStatus": "affected",
          "product": "TL-WR741ND",
          "vendor": "TP-Link",
          "versions": [
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              "version": "V5",
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              "version": "V6",
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          "defaultStatus": "affected",
          "product": "TL-WR749N",
          "vendor": "TP-Link",
          "versions": [
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              "status": "affected",
              "version": "BR 6.0",
              "versionType": "custom"
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              "status": "affected",
              "version": "BR 7.0",
              "versionType": "custom"
            }
          ]
        },
        {
          "defaultStatus": "affected",
          "product": "TL-MR3420",
          "vendor": "TP-Link",
          "versions": [
            {
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              "version": "V2",
              "versionType": "custom"
            },
            {
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              "version": "V3",
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              "version": "V4",
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          ]
        },
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          "defaultStatus": "affected",
          "product": "TL-WR1043ND",
          "vendor": "TP-Link",
          "versions": [
            {
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          "defaultStatus": "affected",
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          "vendor": "TP-Link",
          "versions": [
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              "status": "affected",
              "version": "RU V2",
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            }
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        },
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          "product": "TL-WR840N",
          "vendor": "TP-Link",
          "versions": [
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      ],
      "dateAssigned": "2023-12-05T19:37:00.000Z",
      "datePublic": "2023-12-19T16:08:00.000Z",
      "descriptions": [
        {
          "lang": "en",
          "supportingMedia": [
            {
              "base64": false,
              "type": "text/html",
              "value": "<p>TP-Link TL-WR841N dropbearpwd Improper Authentication Information Disclosure Vulnerability. This vulnerability allows network-adjacent attackers to disclose sensitive information on affected installations of TP-Link TL-WR841N routers. Authentication is not required to exploit this vulnerability. The specific flaw exists within the httpd service, which listens on TCP port 80 by default. The issue results from improper authentication. An attacker can leverage this vulnerability to disclose stored credentials, leading to further compromise. Was ZDI-CAN-19899.</p>"
            }
          ],
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        }
      ],
      "metrics": [
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            "attackComplexity": "LOW",
            "attackVector": "ADJACENT_NETWORK",
            "availabilityImpact": "NONE",
            "baseScore": 6.5,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "NONE",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
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        },
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      "source": {
        "lang": "en",
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    "dateReserved": "2023-12-05T16:15:17.543Z",
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03 Nov 2026, 18:20 Jerusalem · EPSS observation updated

Stored EPSS snapshot at this observation.

{
  "date": "2026-11-03",
  "epss": 0.20021,
  "percentile": 0.97444
}
03 Nov 2026, 02:22 Jerusalem · EPSS observation updated

Stored EPSS snapshot at this observation.

{
  "date": "2026-11-02",
  "epss": 0.20021,
  "percentile": 0.97441
}
03 Nov 2026, 02:22 Jerusalem · CISA KEV status changed

Stored KEV snapshot at this observation.

{
  "cveID": "CVE-2023-50224",
  "cwes": [
    "CWE-290"
  ],
  "dateAdded": "2025-09-03",
  "dueDate": "2025-09-24",
  "forensicTriage": "No",
  "knownRansomwareCampaignUse": "Unknown",
  "notes": "https://www.tp-link.com/us/support/faq/4308/ ; https://nvd.nist.gov/vuln/detail/CVE-2023-50224",
  "product": "TL-WR841N",
  "requiredAction": "Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.",
  "shortDescription": "TP-Link TL-WR841N contains an authentication bypass by spoofing vulnerability within the httpd service, which listens on TCP port 80 by default, leading to the disclose of stored credentials. The impacted products could be end-of-life (EoL) and/or end-of-service (EoS). Users should discontinue product utilization.",
  "vendorProject": "TP-Link",
  "vulnerabilityName": "TP-Link TL-WR841N Authentication Bypass by Spoofing Vulnerability"
}
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