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Vulnerability record · CVE-2025-5666 · published 5 June 2025

CVE-2025-5666: Freefloat ftp server memory buffer overflow vulnerability

FFreefloat · Freefloat Ftp Server

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

6.9 CVSS 4.0 Medium EPSS 0.66% · top 50.4% CWE-119 · Memory buffer overflowCWE-120 · Classic buffer overflow
6.9CVSS 4.0 base score, v2 7.5
0.66%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
4References, 1 tagged exploit
17 Jun 2026Last modified by NVD

Description

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

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:

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://fitoxs.com/exploit/exploit-8d9aefc49c178ba5c5d3f5464ff43e8e981c28b95c2cf867d3e20c17f4b9f994.txt Exploit
https://vuldb.com/?ctiid.311155 Permissions RequiredVDB Entry
https://vuldb.com/?id.311155 Third Party AdvisoryVDB Entry
https://vuldb.com/?submit.587025 Third Party AdvisoryVDB Entry

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

10.0CVE-2012-5106Freefloat ftp server memory buffer overflow vulnerabilityStack-based buffer overflow in FreeFloat FTP Server 1.0 allows remote authenticated users to execute arbitrary code via a long string in a PUT comman…EPSS 14%9.3CVE-2019-25614Freefloat ftp server out-of-bounds write vulnerabilityFree Float FTP 1.0 contains a buffer overflow vulnerability in the STOR command handler that allows remote attackers to execute arbitrary code by sen…EPSS 0.95%9.3CVE-2012-10030Freefloat ftp server missing authentication for critical function vulnerabilityFreeFloat FTP Server contains multiple critical design flaws that allow unauthenticated remote attackers to upload arbitrary files to sensitive syste…EPSS 2.2%6.9CVE-2012-10023Freefloat ftp server stack-based buffer overflow vulnerabilityA stack-based buffer overflow vulnerability exists in FreeFloat FTP Server version 1.0.0. The server fails to properly validate input passed to the U…EPSS 2.5%6.9CVE-2025-5667Freefloat ftp server memory buffer overflow vulnerabilityA vulnerability was found in FreeFloat FTP Server 1.0. It has been rated as critical. Affected by this issue is some unknown functionality of the com…EPSS 0.67%6.9CVE-2025-5664Freefloat ftp server memory buffer overflow vulnerabilityA vulnerability was found in FreeFloat FTP Server 1.0 and classified as critical. This issue affects some unknown processing of the component RESTART…EPSS 0.66%6.9CVE-2025-5665Freefloat ftp server memory buffer overflow vulnerabilityA vulnerability was found in FreeFloat FTP Server 1.0. It has been classified as critical. Affected is an unknown function of the component XCWD Comm…EPSS 0.66%6.9CVE-2025-5596Freefloat ftp server memory buffer overflow vulnerabilityA vulnerability was found in FreeFloat FTP Server 1.0. It has been classified as critical. Affected is an unknown function of the component REGET Com…EPSS 0.67%

Source: NIST National Vulnerability Database (record CVE-2025-5666), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.