Buffer Overflow Vulnerability in WinaXe FTP Client by Developer Network
CVE-2025-34107

8.7HIGH

Key Information:

Vendor

Labf

Status
Winaxe Ftp Client
Vendor
CVE Published:
15 July 2025

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2025-34107?

A buffer overflow vulnerability in the WinaXe FTP Client version 7.7 occurs when the software processes an excessively long '220 Server Ready' response during FTP banner parsing. This flaw, found in the WCMDPA10.dll component, enables an attacker to execute arbitrary code, potentially compromising the user's system. This vulnerability highlights the importance of securing FTP communications and implementing strict input validation to prevent overflow exploits.

Affected Version(s)

WinaXe FTP Client Windows 7.7

Exploit Proof of Concept (PoC)

PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.

CVE-2025-34107 - Proof of Concept

CVE-2025-34107 - Proof of Concept

CVE-2025-34107 - Proof of Concept

References

https://raw.githubusercontent.com/rapid7/metasploit-frame...
exploit
http://hyp3rlinx.altervista.org/advisories/WINAXE-FTP-CLI...
third-party-advisoryexploit
https://www.exploit-db.com/exploits/40767
exploit

CVSS V4

Score:
8.7
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
Unknown

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

Credit

hyp3rlinx
.
CVE-2025-34107 : Buffer Overflow Vulnerability in WinaXe FTP Client by Developer Network