Buffer Overflow Vulnerability in LightFTP Software by LightFTP Inc.
CVE-2025-65403

6.5MEDIUM

Key Information:

Vendor

LightFTP Inc.

Status
LightFTP
Vendor
CVE Published:
1 December 2025

What is CVE-2025-65403?

A buffer overflow vulnerability in the g_cfg.MaxUsers component of LightFTP version 2.0 enables attackers to exploit crafted input, potentially leading to a Denial of Service (DoS) condition. This flaw allows unauthorized individuals to disrupt service availability, impacting users reliant on LightFTP for secure file transfers.

References

https://shimo.im/docs/9030JMJpv4IM4Nkw
https://github.com/hfiref0x/LightFTP

CVSS V3.1

Score:
6.5
Severity:
MEDIUM
Confidentiality:
None
Integrity:
None
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
Required
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.