Buffer Overflow Vulnerability in PCMan FTP Server 2.0.7
CVE-2025-5636

6.9MEDIUM

Key Information:

Vendor

Pcman

Status
Ftp Server
Vendor
CVE Published:
5 June 2025

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2025-5636?

A vulnerability in PCMan FTP Server 2.0.7 involves the SET Command Handler, where improper handling allows for buffer overflow attacks. This weakness can be exploited remotely, posing a significant risk to systems utilizing this version. Attackers may leverage this vulnerability to disrupt services or gain unauthorized access, emphasizing the need for immediate remediation.

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Deploy the Patch

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-2025-5636 - Proof of Concept

References

https://vuldb.com/?id.311123
vdb-entry
https://vuldb.com/?ctiid.311123
signaturepermissions-required
https://vuldb.com/?submit.587059
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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