CVE-2025-34107
High
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.
SeverityHigh
CVSS8.7
Exploit probability—
ProductWinaXe FTP Client
PublishedJul 15, 2025
First seenJul 15, 2025
Weakness typeCWE-121CWE-121
How to fix
Sources list no fixed version or patch link for this vulnerability.
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| LabF WinaXe FTP Client | 7.7 | — |
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