# CVE-2025-34107

## Summary

- **CVE ID:** CVE-2025-34107
- **Severity:** HIGH
- **CVSS Score:** 8.7 (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)
- **CWE:** CWE-121
- **Published:** Jul 15, 2025
- **Last Modified:** Apr 7, 2026

## 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.

## Affected Products

- LabF — WinaXe FTP Client (7.7)

## References

- [CNA](https://raw.githubusercontent.com/rapid7/metasploit-framework/master/modules/exploits/windows/ftp/winaxe_server_ready.rb)
- [CNA](http://hyp3rlinx.altervista.org/advisories/WINAXE-FTP-CLIENT-REMOTE-BUFFER-OVERFLOW.txt)
- [CNA](https://www.exploit-db.com/exploits/40767)
- [CNA](https://www.vulncheck.com/advisories/wina-xe-ftp-client-remote-buffer-overflow)

## Exploitation Prediction (EPSS)

- **EPSS Score:** 1.09%
- **EPSS Percentile:** 63.3

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_Exported from OnDuty AI Vulnerability Intelligence on 2026-09-10._