CVE-2022-42433 Command injection in TL-WR841N
Network-adjacent attackers can bypass authentication and execute arbitrary code as root on TP-Link TL-WR841N routers via improper input validation in the ated_tp service.
- Exploited in the wild
- Not known
- Login needed
- An administrator
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2022-42433?
CVE-2022-42433 is a medium-severity command injection vulnerability in TP-Link TL-WR841N, published on 29 Mar 2023. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
This vulnerability allows network-adjacent attackers to execute arbitrary code on affected installations of TP-Link TL-WR841N TL-WR841N(US)_V14_220121 routers. Although authentication is required to exploit this vulnerability, the existing authentication mechanism can be bypassed. 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-17356.
Weakness: CWE-78
Which versions are affected by CVE-2022-42433?
It affects 1 product.
Products include Tp-Link Tl-Wr841 Firmware.
How do I fix CVE-2022-42433?
No fix has been published for CVE-2022-42433 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-2022-42433 being exploited?
There is no known exploitation of CVE-2022-42433 in the wild and no public exploit code.
Other vulnerabilities in TP-Link TL-WR841N
Sources
Also known as GHSA-7w2q-74wh-62qq.