Buffer overflow in Freefloat Ftp Server
CVE-2025-5221
A vulnerability was found in FreeFloat FTP Server 1.0.0. It has been classified as critical. This affects an unknown part of the component QUOTE Command Handler. The manipulation leads to buffer overflow. It is possible to initiate the att…
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 1.0.0
Weakness classification (CWE)
Public proof-of-concept exploits
References
- VDB-310317 | FreeFloat FTP Server QUOTE Command buffer overflow (vdb-entry)
- VDB-310317 | CTI Indicators (IOB, IOC) (signature, permissions-required)
- Submit #582971 | FreeFloat FTP Server 1.0.0 Buffer Overflow (third-party-advisory)
- fitoxs.com/exploit/exploit-62e89ab8b510813fd7e0a3a5fbc6e6b7f7e3ec7dd7c8f6244c82… (broken-link, exploit)
Frequently asked questions
- What is CVE-2025-5221?
- CVE-2025-5221 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 2025-05-27.
- How severe is CVE-2025-5221?
- High severity. CVSS v3 base score is 7.3 out of 10.
- Is CVE-2025-5221 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.