CVE-2022-25061 Command injection in n/a

Critical 9.8 Published 25 Feb 2022 Updated 9 Jul 2026

Attackers can execute arbitrary commands on TP-LINK TL-WR840N routers via the oal_setIp6DefaultRoute component.

Exploited in the wild: Not known
Login needed: Not needed
Attackable: Over the internet
Victim action needed: Not needed
Fix: None listed

What is CVE-2022-25061?

CVE-2022-25061 is a critical command injection vulnerability in n/a, published on 25 Feb 2022. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

TP-LINK TL-WR840N(ES)_V6.20_180709 was discovered to contain a command injection vulnerability via the component oal_setIp6DefaultRoute.

Weakness: CWE-78

Which versions are affected by CVE-2022-25061?

It affects 1 product.

Products include Tp-Link Tl-Wr840n Firmware.

How do I fix CVE-2022-25061?

No fix has been published for CVE-2022-25061 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-2022-25061 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2022-25061 exists.

Public exploit code: 1 Nuclei template and 1 proofs of concept on GitHub.

Sources

Also known as GHSA-rj4c-hx63-x3x2.