CVE-2023-50224
TP-Link TL-WR841N, TP-Link TL-WR841ND, TP-Link TL-MR6400
Published 3 May 2024 · updated 3 Sept 2026 · Analyzed
Exploited in the wild
CISA added this to its Known Exploited Vulnerabilities catalog on 3 Sept 2025, with a remediation deadline of 24 Sept 2025 for US federal agencies.
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.
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.
References
- www.tp-link.com/en/support/download/tl-wr841n/v12/#Firmware · Product
- www.tp-link.com/us/support/faq/5058/ · Vendor Advisory
- www.zerodayinitiative.com/advisories/ZDI-23-1808/ · Third Party Advisory
- www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2023-50224 · US Government Resource