CVE-2025-34107

HIGH

WinaXe FTP Client <7.7 - Buffer Overflow

Title source: llm
STIX 2.1

Exploitation Summary

EIP tracks 2 public exploits for CVE-2025-34107. PoCs published by Metasploit, Chris Higgins, hyp3rlix, including Metasploit module exploits/windows/ftp/winaxe_server_ready.

AI-analyzed exploit summary This Metasploit module exploits a buffer overflow in WinaXe 7.7 FTP client by sending a maliciously crafted Server Ready response. The exploit triggers when the client connects, overwriting the return address to execute arbitrary payloads.

Description

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

This Metasploit module exploits a buffer overflow in WinaXe 7.7 FTP client by sending a maliciously crafted Server Ready response. The exploit triggers when the client connects, overwriting the return address to execute arbitrary payloads.

Classification
Working Poc 100%
Attack Type
Rce
Complexity
Moderate
Reliability
Reliable
Target: WinaXe 7.7 FTP Client
No auth needed
Prerequisites: Attacker-controlled FTP server · Victim must connect to the malicious server
devstral-2 · analyzed Feb 16, 2026 Full analysis →
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

This Metasploit module exploits a buffer overflow in WinaXe 7.7 FTP client by sending a maliciously crafted Server Ready response (220) with a payload containing a NOP sled and shellcode. The exploit targets a universal Windows offset and return address to achieve remote code execution.

Classification
Working Poc 95%
Attack Type
Rce
Complexity
Moderate
Reliability
Reliable
Target: WinaXe 7.7 FTP Client
No auth needed
Prerequisites: Attacker-controlled FTP server · Victim initiates connection to malicious server
devstral-2 · analyzed Feb 16, 2026 Full analysis →

Scores

CVSS v4 8.7
EPSS 0.7359
EPSS Percentile 98.8%
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

CISA SSVC

Vulnrichment
Exploitation none
Automatable yes
Technical Impact total

Details

CWE
CWE-121
Status published
Products (1)
LabF/WinaXe FTP Client 7.7
Published Jul 15, 2025
Tracked Since Feb 18, 2026