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medium6.5Known exploited

CVE-2023-50224

TP-Link TL-WR841N Authentication Bypass by Spoofing Vulnerability

Exploited in the wild

This vulnerability is on a Known Exploited Vulnerabilities catalogue, added 2025-09-03. Federal due date: 2025-09-24.

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

Impact

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.

Affected products

VendorProductAffected versions
Tp-LinkTl-Wr841n Firmware
All versions
from 11_150616 before 11_211209
from 12_160624 before 12_230317
Tp-LinkMr6400 Firmware
All versions
Tp-LinkTl-Wdr3600 Firmware
All versions
Tp-LinkTl-Wdr4300 Firmware
All versions
Tp-LinkWdr3500 Firmware
All versions
Tp-LinkTl-Wr710n Firmware
All versions
Tp-LinkTl-Wr740n Firmware
All versions
Tp-LinkTl-Wr741nd Firmware
All versions
Tp-LinkTl-Wr743nd Firmware
All versions
Tp-LinkWr749n Firmware
All versions
Tp-LinkMr3420 Firmware
All versions
Tp-LinkWr1043nd Firmware
All versions

Weakness classification

CWE-290

References