Buffer Overflow in FreeFloat FTP Server 1.0 Affecting Remote Operations
CVE-2025-5593

6.9MEDIUM

Key Information:

Vendor

Freefloat

Status
Ftp Server
Vendor
CVE Published:
4 June 2025

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2025-5593?

A significant vulnerability exists in FreeFloat FTP Server version 1.0, specifically within the HOST Command Handler component. This issue can be exploited remotely, allowing an attacker to trigger a buffer overflow. This vulnerability not only jeopardizes the confidentiality and integrity of the server but could also lead to unauthorized access and execution of arbitrary code. Given that the exploit has already been made public, users and administrators of FreeFloat FTP Server are urged to apply immediate mitigation strategies to protect their systems from potential attacks.

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-2025-5593 - Proof of Concept

References

https://vuldb.com/?id.311079
vdb-entry
https://vuldb.com/?ctiid.311079
signaturepermissions-required
https://vuldb.com/?submit.587000
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)
.
CVE-2025-5593 : Buffer Overflow in FreeFloat FTP Server 1.0 Affecting Remote Operations