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Findings

CVE-2023-50224

TP-Link TL-WR841N Authentication Bypass by Spoofing Vulnerability

Published May 2, 2024 · updated Sep 3, 2026 · tp-link tl-wr841n firmware

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.

Timeline

Detection, updates, and resolution for this record.

  1. May 2, 2024 · Catalog

    Detected

    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 r

  2. Sep 3, 2025 · CISA KEV

    Known exploited

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

  3. Sep 24, 2025 · CISA KEV

    Remediation due

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

  4. Sep 3, 2026 · Catalog

    Updated

    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 r

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 Sep 24, 2025

Affected

  • cpe tp-link/mr6400 firmwareversion unspecified
  • cpe tp-link/tl-wdr3600 firmwareversion unspecified
  • cpe tp-link/tl-wdr4300 firmwareversion unspecified
  • cpe tp-link/tl-wr710n firmwareversion unspecified
  • cpe tp-link/tl-wr740n firmwareversion unspecified
  • cpe tp-link/tl-wr741nd firmwareversion unspecified
  • cpe tp-link/tl-wr743nd firmwareversion unspecified
  • cpe tp-link/tl-wr841n firmwareversion unspecified
  • cpe tp-link/wdr3500 firmwareversion unspecified
  • cpe tp-link/wr749n firmwareversion unspecified
  • vendor TP-Link TL-WR841Nversion unspecified

Sources

  • CISA KEVCVE-2023-50224

    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.

    cisa.gov
  • CVE.orgCVE-2023-50224

    Official CVE identifier

    cve.org
  • FIRST EPSSCVE-2023-50224

    30-day exploitation probability 17.5%

    first.org
  • NIST NVDCVE-2023-50224

    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 thi

    nvd.nist.gov

References