CVE-2019-25614 | Free Float FTP 1.0 contains a buffer overflow vulnerability … | CVSS 9.8 CRITICAL

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.

Metadata

CVE ID: CVE-2019-25614
State: PUBLISHED
Assigner: VulnCheck
Reserved: 2026-03-22 13:27 UTC
Published: 2026-03-22 13:38 UTC
Last updated: 2026-07-28 01:46 UTC
Primary CWE: CWE-787
Out-of-bounds Write
Vendor / Product: Freefloat / Free Float FTP
Sources: cve.org · NVD

Severity & Metrics

9.8 CRITICAL CVSS 3.1

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

SSVC — CISA Coordinator

Exploitation: PoC
Automatable: yes
Tech. Impact: total

Affected products (1)

Vendor	Product	Platform	Versions
Freefloat	Free Float FTP	—	1.0

Weakness (CWE)

CWE	Source	Description
CWE-787	cna	Out-of-bounds Write

CVSS scores (2)

Score	Severity	Version	Source	Vector
9.8	CRITICAL	3.1	cna	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
9.3	CRITICAL	4.0	cna	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

References (3)

ExploitDB-46763 https://www.exploit-db.com/exploits/46763
Product Reference http://www.freefloat.com/software/freefloatftpserver.zip
VulnCheck Advisory: Free Float FTP 1.0 STOR Command Remote Buffer Overflow https://www.vulncheck.com/advisories/free-float-ftp-stor-command-remote-buffer-overflow