CVE-2025-5550: Freefloat FTP Server

Critical severity, CVSS 9.8. EPSS: 0.7% chance of exploitation in the next 30 days.

A vulnerability was found in FreeFloat FTP Server 1.0 and classified as critical. Affected by this issue is some unknown functionality of the component PBSZ Command Handler. The manipulation leads to buffer overflow. The attack may be launched remotely. The exploit has been disclosed to the public and may be used.

Affected products

• Freefloat Freefloat FTP Server: version 1.0 only

Published 2025-06-04. Last modified 2026-06-17.