Buffer Overflow Vulnerability in PCMan FTP Server by PCMan
CVE-2025-4871

6.9MEDIUM

Key Information:

Vendor

Pcman

Status
Ftp Server
Vendor
CVE Published:
18 May 2025

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2025-4871?

A buffer overflow vulnerability has been identified in PCMan FTP Server version 2.0.7, specifically within the REST Command Handler component. This flaw permits attackers to manipulate processing details to execute crashes or arbitrary code execution. Remote exploitation of this vulnerability is possible, enabling unauthorized users to exploit affected systems. Awareness and prompt mitigation are essential to safeguard server integrity.

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-2025-4871 - Proof of Concept

References

https://vuldb.com/?id.309413
vdb-entry
https://vuldb.com/?ctiid.309413
signaturepermissions-required
https://vuldb.com/?submit.575624
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

Blu3B3ard (VulDB User)
.