CVE-2025-3699 - CVE House
Back to Database
Status published Critical CVE-2025-3699

Missing Authentication for Critical Function vulnerability in Mitsubishi Electric Corporation...

Vulnerability Description

Missing Authentication for Critical Function vulnerability in Mitsubishi Electric Corporation G-50 all versions, G-50-W all versions, G-50A all versions, GB-50 all versions, GB-50A all versions, GB-24A all versions, G-150AD all versions, AG-150A-A all versions, AG-150A-J all versions, GB-50AD all versions, GB-50ADA-A all versions, GB-50ADA-J all versions, EB-50GU-A all versions, EB-50GU-J all versions, AE-200J all versions, AE-200A all versions, AE-200E all versions, AE-50J all versions, AE-50A all versions, AE-50E all versions, EW-50J all versions, EW-50A all versions, EW-50E all versions, TE-200A all versions, TE-50A all versions, TW-50A all versions, and CMS-RMD-J all versions allows a remote unauthenticated attacker to bypass authentication and then control the air conditioning systems illegally, or disclose information in them by exploiting this vulnerability. In addition, the attacker may tamper with firmware for them using the disclosed information.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

THREAT MONITOR

Am I Vulnerable?

Launch our assessment wizard to check if your infrastructure is exposed to • CVE-2025-3699

Credits & Attribution

No credits recorded in the NVD database.

Affected Vendor

Mitsubishi Electric Corporation

View all reports →

Affected Software

G-50, G-50-W, G-50A, GB-50, GB-50A, GB-24A, G-150AD, AG-150A-A, AG-150A-J, GB-50AD, GB-50ADA-A, GB-50ADA-J, EB-50GU-A, EB-50GU-J, AE-200J, AE-200A, AE-200E, AE-50J, AE-50A, AE-50E, EW-50J, EW-50A, EW-50E, TE-200A, TE-50A, TW-50A, CMS-RMD-J
Vulnerable Versions:
All versions

Timeline

Official Publish: June 26th, 2025
Last Modified: December 23rd, 2025
Added to House: July 22nd, 2026

CVSS Vectors

V3: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Weaknesses (CWE)