Buffer Overflow Vulnerability in FreeFloat FTP Server by FreeFloat
CVE-2025-5551

6.9MEDIUM

Key Information:

Vendor

Freefloat

Status
Ftp Server
Vendor
CVE Published:
4 June 2025

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2025-5551?

A significant buffer overflow vulnerability has been identified in FreeFloat FTP Server 1.0. This flaw resides in the SYSTEM Command Handler component, allowing attackers to manipulate data that leads to execution of arbitrary code via remote access. The potential for exploitation makes it critical for users to address this issue promptly, as the exploit is publicly disclosed and poses a serious risk to system integrity.

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Deploy the Patch

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-2025-5551 - Proof of Concept

References

https://vuldb.com/?id.311001
vdb-entry
https://vuldb.com/?ctiid.311001
signaturepermissions-required
https://vuldb.com/?submit.586988
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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