Buffer Overflow Vulnerability in PCMan FTP Server
CVE-2025-5635

6.9MEDIUM

Key Information:

Vendor

Pcman

Status
Ftp Server
Vendor
CVE Published:
5 June 2025

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2025-5635?

A buffer overflow vulnerability has been identified in PCMan FTP Server version 2.0.7, specifically within the PLS Command Handler component. This security flaw allows remote attackers to exploit and manipulate the system, potentially leading to unauthorized access or system compromise. The exploit has been disclosed publicly, increasing its risk of being exploited in the wild. It is crucial for users to patch this vulnerability to safeguard their systems against 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-2025-5635 - Proof of Concept

References

https://vuldb.com/?id.311122
vdb-entry
https://vuldb.com/?ctiid.311122
signaturepermissions-required
https://vuldb.com/?submit.587057
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-2025-5635 : Buffer Overflow Vulnerability in PCMan FTP Server