Buffer Overflow Vulnerability in PCMan FTP Server by PCMan
CVE-2025-4162

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 up to version 2.0.7, affecting the ASCII Command Handler component. This flaw allows attackers to execute remote exploits by manipulating the code, potentially compromising system stability and integrity. The vulnerability has been publicly disclosed, which increases the risk of exploitation in the wild. Users are urged to review and apply necessary security updates to mitigate the risks associated with this vulnerability.

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-2025-4162 - Proof of Concept

References

https://vuldb.com/?id.306694
vdb-entry
https://vuldb.com/?ctiid.306694
signaturepermissions-required
https://vuldb.com/?submit.561034
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)
.