Buffer Overflow Vulnerability in FreeFloat FTP Server by FreeFloat
CVE-2025-5547

6.9MEDIUM

Key Information:

Vendor

Freefloat

Status
Ftp Server
Vendor
CVE Published:
4 June 2025

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2025-5547?

A buffer overflow vulnerability exists in FreeFloat FTP Server 1.0 related to the processing of the CDUP Command Handler. This flaw can be exploited by an attacker who can send specially crafted commands to the server, leading to potential arbitrary code execution or server crashes. The exploitation of this vulnerability can be initiated remotely, making it a significant concern for users of this FTP server. Public disclosure of the exploit increases the risk of attacks, necessitating immediate attention from network administrators.

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-2025-5547 - Proof of Concept

References

https://vuldb.com/?id.310997
vdb-entry
https://vuldb.com/?ctiid.310997
signaturepermissions-required
https://vuldb.com/?submit.586981
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

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