CVE-2025-5548 FreeFloat FTP Server NOOP Command buffer overflow
Remote attackers can exploit a buffer overflow in the NOOP command handler of FreeFloat 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-2025-5548?
CVE-2025-5548 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, which was classified as critical, was found in FreeFloat FTP Server 1.0. Affected is an unknown function of the component NOOP Command Handler. The manipulation leads to buffer overflow. It is possible to launch the attack remotely. The exploit has been disclosed to the public and may be used.
Which versions are affected by CVE-2025-5548?
It affects 1 product.
Products include Freefloat Freefloat Ftp Server.
How do I fix CVE-2025-5548?
No fix has been published for CVE-2025-5548 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-2025-5548 being exploited?
There is no known exploitation of CVE-2025-5548 in the wild and no public exploit code.
Public exploit code: 1 Exploit-DB entry and 37 proofs of concept on GitHub.
Other vulnerabilities in FreeFloat FTP Server
Sources
Also known as GHSA-xc4j-qcg6-2m4x.