CVE-2025-34107
HIGHWinaXe FTP Client <7.7 - Buffer Overflow
Title source: llmDescription
A buffer overflow vulnerability exists in the WinaXe FTP Client version 7.7 within the FTP banner parsing functionality, WCMDPA10.dll. When the client connects to a remote FTP server and receives an overly long '220 Server Ready' response, the vulnerable component responsible for parsing the banner overflows a stack buffer, leading to arbitrary code execution under the context of the user.
Exploits (2)
exploitdb
WORKING POC
VERIFIED
by Metasploit · rubyremotewindows
https://www.exploit-db.com/exploits/40767
metasploit
WORKING POC
GOOD
by Chris Higgins, hyp3rlix · rubypocwin
https://github.com/rapid7/metasploit-framework/blob/master/modules/exploits/windows/ftp/winaxe_server_ready.rb
References (4)
Scores
CVSS v4
8.7
EPSS
0.5670
EPSS Percentile
98.1%
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
Details
CWE
CWE-121
Status
published
Products (1)
LabF/WinaXe FTP Client
7.7
Published
Jul 15, 2025
Tracked Since
Feb 18, 2026