Buffer Overflow Vulnerability in PCMan FTP Server by PCMan
CVE-2025-4240

6.9MEDIUM

Key Information:

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

Badges

👾 Exploit Exists🟡 Public PoC

Summary

A buffer overflow vulnerability has been identified in PCMan FTP Server version 2.0.7, specifically within the LCD Command Handler component. This flaw allows for remote manipulation, potentially enabling attackers to execute unauthorized commands or gain access to sensitive information. With the exploit made public, it is critical for users to implement immediate security measures to prevent possible attacks. Ensure that your system is updated and remains protected against this emerging threat.

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-2025-4240 - Proof of Concept

References

https://vuldb.com/?id.307331
vdb-entry
https://vuldb.com/?ctiid.307331
signaturepermissions-required
https://vuldb.com/?submit.561571
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-2025-4240 : Buffer Overflow Vulnerability in PCMan FTP Server by PCMan | SecurityVulnerability.io