Buffer overflow in Freefloat Ftp Server
CVE-2025-5593
A vulnerability, which was classified as critical, was found in FreeFloat FTP Server 1.0. This affects an unknown part of the component HOST Command Handler. The manipulation leads to buffer overflow. It is possible to initiate the attack…
Vulnerability class: Buffer Overflow
EPSS: 0.005 (65.4th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.3 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L.
Affected products
- Freefloat Ftp Server — versions 1.0
Weakness classification (CWE)
Public proof-of-concept exploits
References
- VDB-311079 | FreeFloat FTP Server HOST Command buffer overflow (vdb-entry)
- VDB-311079 | CTI Indicators (IOB, IOC) (signature, permissions-required)
- Submit #587000 | FreeFloat FTP Server 1.0 Buffer Overflow (third-party-advisory)
- fitoxs.com/exploit/exploit-9e0f802ba8eab46db6ff5f0c634f96412286b66b33c50a420dd5… (broken-link, exploit)
Frequently asked questions
- What is CVE-2025-5593?
- CVE-2025-5593 is a high-severity vulnerability in Freefloat Ftp Server, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). CVSS score: 7.3/10. Published 2025-06-04.
- How severe is CVE-2025-5593?
- High severity. CVSS v3 base score is 7.3 out of 10.
- Is CVE-2025-5593 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.