CVE-2025-65403

  1. OpenCVE
  2. Vulnerabilities (CVE)
  3. CVE-2025-65403
A buffer overflow in the g_cfg.MaxUsers component of LightFTP v2.0 allows attackers to cause a Denial of Service (DoS) via a crafted input.

6.5 /10

CVSS v3 : MEDIUM

V3 Legend

Vector :

Exploitability : 2.8 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction REQUIRED

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

References
Link Resource
https://github.com/hfiref0x/LightFTP Product
https://shimo.im/docs/9030JMJpv4IM4Nkw Exploit Third Party Advisory
Configurations

Configuration 1 (hide)

cpe:2.3:a:hfiref0x:lightftp:2.0:*:*:*:*:*:*:*
History

05 Dec 2025, 21:50

Type Values Removed Values Added
First Time Hfiref0x
Hfiref0x lightftp
CPE cpe:2.3:a:hfiref0x:lightftp:2.0:*:*:*:*:*:*:*
References () https://github.com/hfiref0x/LightFTP - () https://github.com/hfiref0x/LightFTP - Product
References () https://shimo.im/docs/9030JMJpv4IM4Nkw - () https://shimo.im/docs/9030JMJpv4IM4Nkw - Exploit, Third Party Advisory

01 Dec 2025, 20:15

Type Values Removed Values Added
CVSS v2 : unknown
v3 : unknown 		v2 : unknown
v3 : 6.5
CWE CWE-120

01 Dec 2025, 16:15

Type Values Removed Values Added
New CVE
Information

Published : 2025-12-01 16:15

Updated : 2025-12-05 21:50

NVD link : CVE-2025-65403

Mitre link : CVE-2025-65403

CVE.ORG link : CVE-2025-65403

JSON object : View

Products Affected

hfiref0x

  • lightftp
CWE
CWE-120

Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')