Buffer Overflow Vulnerability in PCMan FTP Server by PCMan
CVE-2025-4181

6.9MEDIUM

Key Information:

Vendor

Pcman

Status
Ftp Server
Vendor
CVE Published:
1 May 2025

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2025-4181?

A vulnerability exists in PCMan FTP Server 2.0.7, specifically in the SEND Command Handler component, which may lead to a buffer overflow. This flaw can be exploited remotely, allowing attackers to manipulate the affected functionality. The exploit has been publicly disclosed, raising concerns over potential misuse. Entities utilizing this FTP server should verify their systems for this vulnerability to prevent possible security breaches.

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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-2025-4181 - Proof of Concept

References

https://vuldb.com/?id.306799
vdb-entry
https://vuldb.com/?ctiid.306799
signaturepermissions-required
https://vuldb.com/?submit.561139
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

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