CVE-2025-4239 PCMan FTP Server TYPE Command buffer overflow
Remote attackers can trigger a buffer overflow in PCMan FTP Server via the TYPE command, potentially leading to code execution or service disruption.
- 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-2025-4239?
CVE-2025-4239 is a medium-severity memory corruption vulnerability in Pcman Ftp Server, published on 3 May 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 declared as critical. This vulnerability affects unknown code of the component TYPE Command Handler. The manipulation leads to buffer overflow. The attack can be initiated remotely. The exploit has been disclosed to the public and may be used.
Which versions are affected by CVE-2025-4239?
It affects 1 product.
Products include Pcman Ftp Server.
How do I fix CVE-2025-4239?
No fix has been published for CVE-2025-4239 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-2025-4239 being exploited?
There is no known exploitation of CVE-2025-4239 in the wild and no public exploit code.
Other vulnerabilities in Pcman Ftp Server
Sources
Also known as GHSA-rvmj-3rpq-mg5g.