CVE-2025-3726 PCMan FTP Server CD Command buffer overflow

Medium 6.9 Published Updated

Remote attackers can exploit a buffer overflow in the CD command handler of PCMan FTP Server to execute arbitrary code or cause denial of service.

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-2025-3726?

CVE-2025-3726 is a medium-severity memory corruption vulnerability in Pcman Ftp Server, published on 16 Apr 2025. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

A vulnerability was found in PCMan FTP Server 2.0.7. It has been rated as critical. Affected by this issue is some unknown functionality of the component CD Command Handler. The manipulation leads to buffer overflow. The attack may be launched remotely. The exploit has been disclosed to the public and may be used.

Weakness: CWE-120, CWE-119

Which versions are affected by CVE-2025-3726?

It affects 1 product.

Products include Pcman Ftp Server.

How do I fix CVE-2025-3726?

No fix has been published for CVE-2025-3726 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-2025-3726 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2025-3726 exists.

All Pcman Ftp Server vulnerabilities

Sources

Also known as GHSA-qg2m-2384-5gwx.

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