CVE-2025-4183 PCMan FTP Server RECV Command buffer overflow
Remote attackers can exploit a buffer overflow in the RECV 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-2025-4183?
CVE-2025-4183 is a medium-severity memory corruption vulnerability in Pcman Ftp Server, published on 1 May 2025. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
A vulnerability classified as critical has been found in PCMan FTP Server 2.0.7. This affects an unknown part of the component RECV Command Handler. The manipulation leads to buffer overflow. It is possible to initiate the attack remotely. The exploit has been disclosed to the public and may be used.
Which versions are affected by CVE-2025-4183?
It affects 1 product.
Products include Pcman Ftp Server.
How do I fix CVE-2025-4183?
No fix has been published for CVE-2025-4183 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-2025-4183 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2025-4183 exists.
Other vulnerabilities in Pcman Ftp Server
Sources
Also known as GHSA-pqjf-9c57-cpg3.