Buffer Overflow in PCMan FTP Server Affects Remote Operations
CVE-2025-3679

6.9MEDIUM

Key Information:

Vendor

Pcman

Status
Ftp Server
Vendor
CVE Published:
16 April 2025

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2025-3679?

A vulnerability exists in the PCMan FTP Server 2.0.7, specifically in an unknown function associated with the HOST Command Handler. This manipulation results in a buffer overflow, allowing attackers to potentially exploit the server remotely. As this vulnerability has been publicly disclosed, it poses a significant risk to users. Affected systems are urged to apply necessary mitigations promptly to prevent unauthorized access or control.

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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-2025-3679 - Proof of Concept

References

https://vuldb.com/?id.304968
vdb-entry
https://vuldb.com/?ctiid.304968
signaturepermissions-required
https://vuldb.com/?submit.552787
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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