CVE-2024-46316 Command injection in n/a

High 8.0 Published 9 Oct 2024 Updated 9 Oct 2024

Attackers can execute arbitrary commands on DrayTek Vigor3900 routers via crafted HTTP requests to the mainfunction.cgi endpoint.

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

What is CVE-2024-46316?

CVE-2024-46316 is a high-severity command injection vulnerability in n/a, published on 9 Oct 2024. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

DrayTek Vigor3900 v1.5.1.6 was discovered to contain a command injection vulnerability via the sub_2C920 function at /cgi-bin/mainfunction.cgi. This vulnerability allows attackers to execute arbitrary commands via supplying a crafted HTTP message.

Weakness: CWE-78

Which versions are affected by CVE-2024-46316?

It affects 1 product.

Products include Draytek Vigor3900 Firmware.

How do I fix CVE-2024-46316?

No fix has been published for CVE-2024-46316 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-2024-46316 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2024-46316 exists.

Sources

Also known as GHSA-3hhh-46fw-chvg.