CVE-2024-3908 Tenda AC500 WriteFacMac formWriteFacMac command injection

Medium 6.3 Published 17 Apr 2024 Updated 1 Aug 2024

Remote attackers can execute arbitrary commands on Tenda AC500 routers via the WriteFacMac interface due to improper input validation.

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-2024-3908?

CVE-2024-3908 is a medium-severity command injection vulnerability in Tenda AC500, published on 17 Apr 2024. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

A vulnerability classified as critical has been found in Tenda AC500 2.0.1.9(1307). Affected is the function formWriteFacMac of the file /goform/WriteFacMac. The manipulation of the argument mac leads to command injection. It is possible to launch the attack remotely. The exploit has been disclosed to the public and may be used. The identifier of this vulnerability is VDB-261144. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.

Weakness: CWE-77

Which versions are affected by CVE-2024-3908?

It affects 1 product.

Products include Tenda Ac500 Firmware.

How do I fix CVE-2024-3908?

No fix has been published for CVE-2024-3908 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-2024-3908 being exploited?

There is no known exploitation of CVE-2024-3908 in the wild and no public exploit code.

Sources

Also known as GHSA-q7j7-mp2g-wrw8.