CVE-2023-3991 OS command injection vulnerability in FreshTomato 2023.3

Critical 10.0 Published 16 Oct 2023 Updated 16 Sep 2024

An attacker can execute arbitrary commands on FreshTomato routers via a crafted HTTP request to the iperfrun.cgi endpoint.

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-2023-3991?

CVE-2023-3991 is a critical command injection vulnerability in FreshTomato, published on 16 Oct 2023. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

An OS command injection vulnerability exists in the httpd iperfrun.cgi functionality of FreshTomato 2023.3. A specially crafted HTTP request can lead to arbitrary command execution. An attacker can send an HTTP request to trigger this vulnerability.

Weakness: CWE-78

Which versions are affected by CVE-2023-3991?

It affects 1 product.

Products include Freshtomato Freshtomato.

How do I fix CVE-2023-3991?

No fix has been published for CVE-2023-3991 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-2023-3991 being exploited?

There is no known exploitation of CVE-2023-3991 in the wild and no public exploit code.

Sources

Also known as GHSA-g95v-666p-2m3x.