CVE-2023-50224

Published May 3, 2024

Last updated 6 months ago

TP-Link

Port (80)

Overview

AI description

Automated description summarized from trusted sources.

CVE-2023-50224 is an information disclosure vulnerability affecting TP-Link TL-WR841N routers. It exists within the httpd service, which typically listens on TCP port 80. The vulnerability allows a network-adjacent attacker to send a crafted HTTP request to obtain sensitive information, such as stored credentials, without authentication. This could lead to further compromise of the affected system. The vulnerability is due to improper authentication within the httpd service. An attacker can exploit this to disclose stored credentials located in "/tmp/dropbear/dropbearpwd". CISA has added this flaw to its Known Exploited Vulnerabilities catalog, indicating active exploitation in the wild.

Description: 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.
Source: zdi-disclosures@trendmicro.com
NVD status: Analyzed
Products: tl-wr841n_firmware

Risk scores

CVSS 3.0

Type: Secondary
Base score: 6.5
Impact score: 3.6
Exploitability score: 2.8
Vector string: CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Severity: MEDIUM

Known exploits

Data from CISA

Vulnerability name: TP-Link TL-WR841N Authentication Bypass by Spoofing Vulnerability
Exploit added on: Sep 3, 2025
Exploit action due: Sep 24, 2025
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.

Weaknesses

zdi-disclosures@trendmicro.com: CWE-290

Hype score: Not currently trending

Configurations

[
  {
    "nodes": [
      {
        "cpeMatch": [
          {
            "criteria": "cpe:2.3:o:tp-link:tl-wr841n_firmware:3.16.9:build_200409:*:*:*:*:*:*",
            "matchCriteriaId": "02C7E519-F7A1-419F-BD07-B919A21E966E",
            "vulnerable": true
          }
        ],
        "negate": false,
        "operator": "OR"
      },
      {
        "cpeMatch": [
          {
            "criteria": "cpe:2.3:h:tp-link:tl-wr841n:12:*:*:*:*:*:*:*",
            "matchCriteriaId": "E855A3D8-9968-4DF9-890D-62028472A11B",
            "vulnerable": false
          }
        ],
        "negate": false,
        "operator": "OR"
      }
    ],
    "operator": "AND"
  }
]

References

Sources include official advisories and independent security research.