Buffer Overflow Vulnerability in PCMan FTP Server by PCMan
CVE-2025-5634

6.9MEDIUM

Key Information:

Vendor

Pcman

Status
Ftp Server
Vendor
CVE Published:
5 June 2025

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2025-5634?

A buffer overflow vulnerability has been identified in PCMan FTP Server 2.0.7, specifically within the NOOP Command Handler component. This weakness allows remote attackers to manipulate input and potentially execute arbitrary code on the affected server. Given the public disclosure of the exploit, immediate attention is recommended for users of this software to apply necessary mitigations.

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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-2025-5634 - Proof of Concept

References

https://vuldb.com/?id.311121
vdb-entry
https://vuldb.com/?ctiid.311121
signaturepermissions-required
https://vuldb.com/?submit.587048
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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