Buffer Overflow Vulnerability in PCMan FTP Server
CVE-2025-4159

6.9MEDIUM

Key Information:

Vendor

Pcman

Status
Ftp Server
Vendor
CVE Published:
1 May 2025

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2025-4159?

A buffer overflow vulnerability has been identified in PCMan FTP Server versions up to 2.0.7, specifically within the GLOB Command Handler component. This vulnerability allows an attacker to manipulate the functionality remotely, potentially leading to data corruption or unauthorized access. The exploit for this vulnerability has been publicly disclosed, raising concerns for users operating the affected versions.

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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-2025-4159 - Proof of Concept

References

https://vuldb.com/?id.306691
vdb-entry
https://vuldb.com/?ctiid.306691
signaturepermissions-required
https://vuldb.com/?submit.561029
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)
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