CVE-2025-5241 MEDIUM

CVE-2025-5241: Denial-of-Service Vulnerability in MELSEC iQ-F Series

Vendor Mitsubishi Electric Corporation
Product MELSEC iQ-F Series FX5U-32MT/ES
Weakness CWE-645
Published July 11, 2025
Last update July 11, 2025

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

Overly Restrictive Account Lockout Mechanism vulnerability in Mitsubishi Electric Corporation MELSEC iQ-F Series allows a remote unauthenticated attacker to lockout legitimate users for a certain period by repeatedly attempting to login with incorrect passwords. The legitimate users will be unable to login until a certain period has passed after the lockout or until the product is reset.

Key dates

02Disclosure timeline

July 11, 2025 CVE published
July 11, 2025 Record updated