TP-Link · TL-WR841N
CVE-2023-50224
TP-Link TL-WR841N dropbearpwd Improper Authentication Information Disclosure Vulnerability
What it is
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.
CISA: 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.
What to do
Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
Deadline for US federal agencies: September 24, 2025
More exploited flaws from TP-Link
| Added | Vulnerability | Product | Severity | Attack chance |
|---|---|---|---|---|
| Sep 3, 2025 | Archer C7(EU) and TL-WR841N/ND(MS) OS Command Injection | Multiple Routers | High 8.6 | 38% |
| Sep 2, 2025 | Missing Authentication for Critical Function | TL-WA855RE | High 8.8 | 22% |
| Jun 16, 2025 | Command Injection | Multiple Routers | High 8.8 | 42% |
| May 1, 2023 | Archer AX-21 Command Injection | Archer AX21 | High 8.8 | >99.9% |
| Mar 25, 2022 | Directory Traversal | Multiple Archer Devices | High 7.5 | 84% |
Sources: Known Exploited Vulnerabilities (CISA, public domain), CVE records (cve.org) and EPSS (FIRST). The chance of attacks is the EPSS estimate that someone will try to exploit the flaw in the next 30 days.