CVE-2025-7405 HIGH

CVE-2025-7405: Information Disclosure, Information Tampering, and Denial of Service (DoS) Vulnerability in MELSEC iQ-F Series CPU module

Vendor Mitsubishi Electric Corporation
Product MELSEC iQ-F Series FX5U-32MT/ES
Weakness CWE-306 · Missing auth
Published September 1, 2025
Last update September 2, 2025

CVSS base score

7.3/10
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Confidentiality Low
Integrity Low

CVSS vector

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

What the vulnerability does

01Description

Missing Authentication for Critical Function vulnerability in Mitsubishi Electric Corporation MELSEC iQ-F Series CPU module allows a remote unauthenticated attacker to read or write the device values of the product and stop the operation of the programs, since MODBUS/TCP in the products does not have authentication features.

Key dates

02Disclosure timeline

September 1, 2025 CVE published
September 2, 2025 Record updated