CVE-2025-3007 Novastar CX40 NetFilter Utility netconfig getopt stack-based overflow

Medium 5.1 Published Updated

Stack-based buffer overflow in Novastar CX40 NetFilter Utility allows remote code execution via crafted arguments, requiring vendor attention as no fix is available.

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-2025-3007?

CVE-2025-3007 is a medium-severity memory corruption vulnerability in Novastar CX40, published on 31 Mar 2025. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

A vulnerability was found in Novastar CX40 up to 2.44.0. It has been rated as critical. This issue affects the function getopt of the file /usr/nova/bin/netconfig of the component NetFilter Utility. The manipulation of the argument cmd/netmask/pipeout/nettask leads to stack-based buffer overflow. The exploit has been disclosed to the public and may be used. The vendor was contacted early about this disclosure but did not respond in any way.

Weakness: CWE-121, CWE-119

Which versions are affected by CVE-2025-3007?

How do I fix CVE-2025-3007?

No fix has been published for CVE-2025-3007 yet. Limit exposure of the affected software until one is available.

Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.

Is CVE-2025-3007 being exploited?

There is no known exploitation of CVE-2025-3007 in the wild and no public exploit code.

Sources

Also known as GHSA-7chq-xr5g-6crp.

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