CVE-2025-5514 MEDIUM

CVE-2025-5514: Denial-of-Service(DoS) Vulnerability in Web server function on MELSEC iQ-F Series CPU module

Vendor Mitsubishi Electric Corporation
Product MELSEC iQ-F Series FX5U-32MT/ES
Weakness CWE-130
Published August 25, 2025
Last update August 26, 2025
View on NVD All CVEs

CVSS base score

5.3/10
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Confidentiality None
Integrity None

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

What the vulnerability does

01Description

Improper Handling of Length Parameter Inconsistency vulnerability in web server function on Mitsubishi Electric Corporation MELSEC iQ-F Series CPU module allows a remote unauthenticated attacker to delay the processing of the web server function and prevent legitimate users from utilizing the web server function, by sending a specially crafted HTTP request.

Key dates

02Disclosure timeline

August 25, 2025 CVE published
August 26, 2025 Record updated