Buffer Overflow Vulnerability in PCMan FTP Server
CVE-2025-4161

6.9MEDIUM

Key Information:

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

Badges

👾 Exploit Exists🟡 Public PoC

Summary

A buffer overflow vulnerability has been identified in PCMan FTP Server versions up to 2.0.7, specifically within the VERBOSE Command Handler. This vulnerability can be exploited remotely, enabling unauthorized manipulation that may lead to system compromise. Attackers may utilize publicly disclosed exploits to target affected installations, underscoring the critical need for users to update their systems and implement security best practices.

Affected Version(s)

FTP Server 2.0.0

FTP Server 2.0.1

FTP Server 2.0.2

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-2025-4161 - Proof of Concept

References

https://vuldb.com/?id.306693
vdb-entry
https://vuldb.com/?ctiid.306693
signaturepermissions-required
https://vuldb.com/?submit.561033
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-2025-4161 : Buffer Overflow Vulnerability in PCMan FTP Server | SecurityVulnerability.io