Buffer Overflow in FreeFloat FTP Server PASV Command Handler
CVE-2025-5549

6.9MEDIUM

Key Information:

Vendor

Freefloat

Status
Ftp Server
Vendor
CVE Published:
4 June 2025

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2025-5549?

A buffer overflow vulnerability has been identified in FreeFloat FTP Server 1.0, specifically within the PASV Command Handler component. This issue allows remote attackers to manipulate the functionality, potentially leading to unauthorized access or system compromise. The vulnerability has been publicly disclosed, heightening the risk of exploitation. Users of the affected version are strongly advised to implement security measures to mitigate the risks associated with this vulnerability.

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-2025-5549 - Proof of Concept

References

https://vuldb.com/?id.310999
vdb-entry
https://vuldb.com/?ctiid.310999
signaturepermissions-required
https://vuldb.com/?submit.586983
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)
.