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Critical · 9.8 CVE-2025-3699 EUVD-2025-19244GHSA-73r7-73gp-j7mv

Missing Authentication for Critical Function vulnerability in Mitsubishi Electric Corporation G-50 all versions, G-50-W all versions, G-50A…

Published Jun 26, 2025 · Updated Dec 23, 2025 · Assigned by Mitsubishi

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.

Affected products

VendorProductAffectedFixed
Mitsubishi Electric G-50 All versions —
Mitsubishi Electric G-50-W All versions —
Mitsubishi Electric G-50A All versions —
Mitsubishi Electric GB-50 All versions —
Mitsubishi Electric GB-50A All versions —
Mitsubishi Electric GB-24A All versions —
Mitsubishi Electric G-150AD All versions —
Mitsubishi Electric AG-150A-A All versions —
Mitsubishi Electric AG-150A-J All versions —
Mitsubishi Electric GB-50AD All versions —
Mitsubishi Electric GB-50ADA-A All versions —
Mitsubishi Electric GB-50ADA-J All versions —
Mitsubishi Electric EB-50GU-A All versions —
Mitsubishi Electric EB-50GU-J All versions —
Mitsubishi Electric AE-200J All versions —
Mitsubishi Electric AE-200A All versions —
Mitsubishi Electric AE-200E All versions —
Mitsubishi Electric AE-50J All versions —
Mitsubishi Electric AE-50A All versions —
Mitsubishi Electric AE-50E All versions —
Mitsubishi Electric EW-50J All versions —
Mitsubishi Electric EW-50A All versions —
Mitsubishi Electric EW-50E All versions —
Mitsubishi Electric TE-200A All versions —
Mitsubishi Electric TE-50A All versions —
Mitsubishi Electric TW-50A All versions —
Mitsubishi Electric CMS-RMD-J All versions —

Advisories 1

References