CVE-2026-0581 Tenda AC1206 httpd BehaviorManager formBehaviorManager command injection

Medium 5.3 Published 5 Jan 2026 Updated 23 Feb 2026

Remote attackers can execute arbitrary commands on Tenda AC1206 routers via the httpd BehaviorManager interface.

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

What is CVE-2026-0581?

CVE-2026-0581 is a medium-severity command injection vulnerability in Tenda AC1206, published on 5 Jan 2026. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

A vulnerability was determined in Tenda AC1206 15.03.06.23. Affected by this issue is the function formBehaviorManager of the file /goform/BehaviorManager of the component httpd. Executing a manipulation of the argument modulename/option/data/switch can lead to command injection. The attack can be launched remotely. The exploit has been publicly disclosed and may be utilized.

Weakness: CWE-77, CWE-74

Which versions are affected by CVE-2026-0581?

It affects 1 product.

Products include Tenda Ac1206 Firmware.

How do I fix CVE-2026-0581?

No fix has been published for CVE-2026-0581 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-2026-0581 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-0581 exists.

Sources

Also known as GHSA-fr39-x6rf-54c7.