CVE-2025-4236 PCMan FTP Server MDIR Command buffer overflow
Remote attackers can exploit a buffer overflow in the MDIR 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-2025-4236?
CVE-2025-4236 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 has been found in PCMan FTP Server 2.0.7 and classified as critical. Affected by this vulnerability is an unknown functionality of the component MDIR Command Handler. The manipulation leads to buffer overflow. The attack can be launched remotely. The exploit has been disclosed to the public and may be used.
Which versions are affected by CVE-2025-4236?
It affects 1 product.
Products include Pcman Ftp Server.
How do I fix CVE-2025-4236?
No fix has been published for CVE-2025-4236 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-2025-4236 being exploited?
There is no known exploitation of CVE-2025-4236 in the wild and no public exploit code.
Other vulnerabilities in Pcman Ftp Server
Sources
Also known as GHSA-f2f6-hpmx-3wwh.