Buffer Overflow Vulnerability in FreeFloat FTP Server
CVE-2025-5666

6.9MEDIUM

Key Information:

Vendor

Freefloat

Status
Ftp Server
Vendor
CVE Published:
5 June 2025

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2025-5666?

A remote buffer overflow vulnerability has been identified in FreeFloat FTP Server 1.0, specifically within the XMKD Command Handler. This security flaw allows an attacker to manipulate the affected component, potentially leading to unauthorized access or system crashes. The exploit has been publicly disclosed, highlighting the necessity for immediate remediation steps to protect affected systems from potential misuse.

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Affected Version(s)

FTP Server 1.0

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-2025-5666 - Proof of Concept

References

https://vuldb.com/?id.311155
vdb-entry
https://vuldb.com/?ctiid.311155
signaturepermissions-required
https://vuldb.com/?submit.587025
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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