Buffer Overflow Vulnerability in PCMan FTP Server by PCMan
CVE-2025-4251

6.9MEDIUM

Key Information:

Vendor
Pcman
Status
Ftp Server
Vendor
CVE Published:
4 May 2025

Badges

👾 Exploit Exists🟡 Public PoC

Summary

The PCMan FTP Server 2.0.7 contains a vulnerability within the RMDIR Command Handler that allows for a buffer overflow condition. This exploitation can lead to remote code execution, making it crucial for users of this product to take immediate action. Attackers may exploit this weakness to manipulate server processes, potentially compromising the integrity of sensitive data. As the exploit has been publicly disclosed, organizations must prioritize patching and securing their systems from potential attacks.

Affected Version(s)

FTP Server 2.0.7

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-2025-4251 - Proof of Concept

References

https://vuldb.com/?id.307355
vdb-entry
https://vuldb.com/?ctiid.307355
signaturepermissions-required
https://vuldb.com/?submit.561597
third-party-advisory

CVSS V4

Score:
6.9
Severity:
MEDIUM
Confidentiality:
Low
Integrity:
Low
Availability:
Low
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

Credit

Fernando Mengali (VulDB User)
.
CVE-2025-4251 : Buffer Overflow Vulnerability in PCMan FTP Server by PCMan | SecurityVulnerability.io