CVE-2025-63749 Command injection in n/a

Medium 6.5 Published 18 Nov 2025 Updated 18 Nov 2025

Attackers can execute arbitrary commands via the qemu_options parameter in pnetlab, potentially compromising the server.

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-2025-63749?

CVE-2025-63749 is a medium-severity command injection vulnerability in n/a, published on 18 Nov 2025. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

pnetlab 5.3.11 is vulnerable to Command Injection via the qemu_options parameter.

Weakness: CWE-77

Which versions are affected by CVE-2025-63749?

It affects 1 product.

Products include Pnetlab Pnetlab.

How do I fix CVE-2025-63749?

No fix has been published for CVE-2025-63749 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-2025-63749 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2025-63749 exists.

Sources

Also known as GHSA-fmpp-jqp5-qjh9.