CVE-2025-7731 HIGH

CVE-2025-7731: Information Disclosure Vulnerability in MELSEC iQ-F Series CPU module

Vendor Mitsubishi Electric Corporation
Product MELSEC iQ-F Series FX5U-32MT/ES
Weakness CWE-319 · Cleartext transmission
Published September 1, 2025
Last update September 2, 2025
View on NVD All CVEs

CVSS base score

7.5/10
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Confidentiality High
Integrity None

CVSS vector

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

What the vulnerability does

01Description

Cleartext Transmission of Sensitive Information vulnerability in Mitsubishi Electric Corporation MELSEC iQ-F Series CPU module allows a remote unauthenticated attacker to obtain credential information by intercepting SLMP communication messages, and read or write the device values of the product and stop the operations of programs by using the obtained credential information.

Key dates

02Disclosure timeline

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