CVE-2025-5551 FreeFloat FTP Server SYSTEM Command buffer overflow
A remote attacker can exploit a buffer overflow in the SYSTEM command handler of FreeFloat FTP Server to execute arbitrary code.
- 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-2025-5551?
CVE-2025-5551 is a medium-severity memory corruption vulnerability in FreeFloat FTP Server, published on 4 Jun 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 FreeFloat FTP Server 1.0. It has been classified as critical. This affects an unknown part of the component SYSTEM 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-2025-5551?
It affects 1 product.
Products include Freefloat Freefloat Ftp Server.
How do I fix CVE-2025-5551?
No fix has been published for CVE-2025-5551 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-2025-5551 being exploited?
There is no known exploitation of CVE-2025-5551 in the wild and no public exploit code.
Other vulnerabilities in FreeFloat FTP Server
Sources
Also known as GHSA-6c79-fgvv-p8mp.