CVE-2023-39471 TP-Link TL-WR841N ated_tp Command Injection Remote Code Execution Vulnerability

High 7.5 Published 3 May 2024 Updated 2 Aug 2024

Network-adjacent attackers can execute arbitrary code as root on TP-Link TL-WR841N routers via the ated_tp service without authentication.

Exploited in the wild: Not known
Login needed: Not needed
Attackable: Local or same network only
Victim action needed: Not needed
Fix: None listed

What is CVE-2023-39471?

CVE-2023-39471 is a high-severity command injection vulnerability in TP-Link TL-WR841N, published on 3 May 2024. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

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.

Weakness: CWE-77, CWE-78

Which versions are affected by CVE-2023-39471?

It affects 2 products.

Products include Tp-Link Tl-Wr840n Firmware, Tp-Link Tl-Wr841n Firmware.

How do I fix CVE-2023-39471?

No fix has been published for CVE-2023-39471 yet. Limit exposure of the affected software until one is available.

Upgrade, and pass arguments to programs as a list instead of through a shell. More about Command injection.

Is CVE-2023-39471 being exploited?

There is no known exploitation of CVE-2023-39471 in the wild and no public exploit code.

Sources

Also known as GHSA-ff5w-vxjm-5vxf.