CVE-2025-34107
WinaXe 7.7 FTP Client Remote Buffer Overflow
- State
- Published
- Severity
- 8.7 High
- Published
- Jul 15, 2025
- Updated
- Apr 7, 2026
- Reserved
- Apr 15, 2025
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.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 4.0 | 8.7 High | 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 | VulnCheck |
Weaknesses
- CWE-121 Stack-based Buffer Overflow
Affected Products
| Product | Versions |
|---|---|
WinaXe FTP ClientLabF |
|
References
- https://raw.githubusercontent.com/rapid7/metasploit-framework/master/modules/exploits/windows/ftp/winaxe_server_ready.rbexploit
- http://hyp3rlinx.altervista.org/advisories/WINAXE-FTP-CLIENT-REMOTE-BUFFER-OVERFLOW.txtthird-party-advisoryexploit
- https://www.exploit-db.com/exploits/40767exploit
- https://www.vulncheck.com/advisories/wina-xe-ftp-client-remote-buffer-overflowthird-party-advisory
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