FreeFloat FTP Server STATUS Command buffer overflow

published 2025-05-23 17 mo ago modified 2026-06-17 4 mo ago also EUVD-2025-28388

cvss: 7.3; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 0.8%; EPSS 0.8% chance of exploitation in 30 days, percentile 55%
public exploits: 0; none known

A vulnerability classified as critical has been found in FreeFloat FTP Server 1.0. Affected is an unknown function of the component STATUS 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.

CISA SSVC

Exploitation: Proof of concept is public
Automatable: yes
Technical impact: partial
Assessed: 17 mo ago (2025-05-23)

Exploit prediction

0.75% chance of exploitation in the next 30 days, higher than 55% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

vuldb.com https://vuldb.com/?submit.581298 referenced PoC, tagged "exploit" by a source, unverified
fitoxs.com https://fitoxs.com/exploit/exploit-0420d1a7d4e6b45cf1f0b87c2d580c4df77281242d0e9d1b77d7e2fd08f3a41d.txt referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by	version	score	vector
CNA	4.0	6.9	CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N
CNA	3.1	7.3	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
CNA	3.0	7.3	CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
CNA	2.0	7.5	AV:N/AC:L/Au:N/C:P/I:P/A:P
CNA	4.0	6.9	CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
NVD	3.1	9.8	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected products

FreeFloat FTP Server

Classification

Weakness

CWE-120 Buffer Copy without Checking Size of Input
CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer

References

vuldb.com /?submit.581298
third-party-advisory, exploit, vdb-entry
fitoxs.com /exploit/exploit-0420d1a7d4e6b45cf1f0b87c2d580c4df77281242d0e9d1b77d7e2fd08f3a41d.txt
broken-link, exploit
vuldb.com /?id.310086
vdb-entry, third-party-advisory
vuldb.com /?ctiid.310086
signature, permissions-required, vdb-entry

Sources

CVE List CVE-2025-5109
NVD CVE-2025-5109

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

Summary