Buffer Overflow Vulnerability in PCMan FTP Server by PCMan
CVE-2025-4160

6.9MEDIUM

Key Information:

Vendor

Pcman

Status
Ftp Server
Vendor
CVE Published:
1 May 2025

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2025-4160?

A vulnerability has been identified in PCMan FTP Server versions up to 2.0.7, specifically in the LS Command Handler component. This flaw allows for a buffer overflow, enabling attackers to execute remote code via crafted inputs. The public disclosure of this exploit raises critical concerns for users of affected versions, emphasizing the necessity for immediate action and updates to prevent potential exploitation.

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Deploy the Patch

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-2025-4160 - Proof of Concept

References

https://vuldb.com/?id.306692
vdb-entry
https://vuldb.com/?ctiid.306692
signaturepermissions-required
https://vuldb.com/?submit.561030
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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