CVE-2023-39471: TP-Link Tl-WR840N Firmware

High severity, CVSS 8.8. EPSS: 0.9% chance of exploitation in the next 30 days.

TP-Link TL-WR841N ated_tp Command Injection Remote Code Execution Vulnerability. This vulnerability allows network-adjacent attackers to execute arbitrary code on affected installations of TP-Link TL-WR841N routers. Authentication is not required to exploit this vulnerability. The specific flaw exists within the ated_tp service. The issue results from the lack of proper validation of a user-supplied string before using it to execute a system call. An attacker can leverage this vulnerability to execute code in the context of root. Was ZDI-CAN-21825.

Affected products

• TP-Link Tl-WR840N Firmware: before 231121 (fixed in 231121)
• TP-Link TL-WR841N Firmware: before 231119 (fixed in 231119)

Published 2024-05-03. Last modified 2026-06-17.