Buffer Overflow Vulnerability in FreeFloat FTP Server by FreeFloat
CVE-2025-5550

6.9MEDIUM

Key Information:

Vendor

Freefloat

Status
Ftp Server
Vendor
CVE Published:
4 June 2025

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2025-5550?

A buffer overflow vulnerability exists in the FreeFloat FTP Server 1.0 within the PBSZ Command Handler. This flaw allows an attacker to manipulate the server's functionality, potentially leading to unauthorized access or execution of arbitrary code. The issue can be exploited remotely, making it essential for users to apply necessary patches and take appropriate security measures.

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-2025-5550 - Proof of Concept

References

https://vuldb.com/?id.311000
vdb-entry
https://vuldb.com/?ctiid.311000
signaturepermissions-required
https://vuldb.com/?submit.586987
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)
.