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Vulnerability record · CVE-2019-25614 · published 22 March 2026

CVE-2019-25614: Freefloat ftp server out-of-bounds write vulnerability

FFreefloat · Freefloat Ftp Server

Free Float FTP 1.0 contains a buffer overflow vulnerability in the STOR command handler that allows remote attackers to execute arbitrary code by sending a crafted STOR request with an oversized payload. Attackers can authenticate with anonymous credentials and send a malicious STOR command containing 247 bytes of padding followed by a return address and shellcode to trigger code execution on the FTP server.

9.3 CVSS 4.0 Critical EPSS 0.95% · top 40.4% CWE-787 · Out-of-bounds write
9.3CVSS 4.0 base score
0.95%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
3References, 1 tagged exploit
17 Jun 2026Last modified by NVD

Description

Free Float FTP 1.0 contains a buffer overflow vulnerability in the STOR command handler that allows remote attackers to execute arbitrary code by sending a crafted STOR request with an oversized payload. Attackers can authenticate with anonymous credentials and send a malicious STOR command containing 247 bytes of padding followed by a return address and shellcode to trigger code execution on the FTP server.

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/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
http://www.freefloat.com/software/freefloatftpserver.zip Broken Link
https://www.exploit-db.com/exploits/46763 ExploitThird Party AdvisoryVDB Entry
https://www.vulncheck.com/advisories/free-float-ftp-stor-command-remote-buffer-overflow Third Party Advisory

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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-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-2025-5666Freefloat ftp server memory buffer overflow vulnerabilityA vulnerability was found in FreeFloat FTP Server 1.0. It has been declared as critical. Affected by this vulnerability is an unknown functionality o…EPSS 0.66%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-2019-25614), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.