Buffer Overflow Vulnerability in PCMan FTP Server by PCMan
CVE-2025-3680

6.9MEDIUM

Key Information:

Vendor

Pcman

Status
Ftp Server
Vendor
CVE Published:
16 April 2025

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2025-3680?

A buffer overflow vulnerability has been identified in the PCMan FTP Server version 2.0.7, specifically within the LANG Command Handler component. This flaw allows an attacker to manipulate the component remotely, potentially leading to unauthorized access or system compromise. Given that the exploit has already been disclosed, it poses a significant risk to users, necessitating immediate attention and 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-2025-3680 - Proof of Concept

References

https://vuldb.com/?id.304969
vdb-entry
https://vuldb.com/?ctiid.304969
signaturepermissions-required
https://vuldb.com/?submit.552788
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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