{"id":"CVE-2025-3699","state":"PUBLISHED","title":"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","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.","publishedAt":"2025-06-26T22:40:37.915Z","updatedAt":"2025-12-23T03:45:00.790Z","severity":{"score":9.8,"label":"Critical","version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","source":"Mitsubishi"},"assigner":"Mitsubishi","products":["Mitsubishi Electric Corporation G-50","Mitsubishi Electric Corporation G-50-W","Mitsubishi Electric Corporation G-50A","Mitsubishi Electric Corporation GB-50","Mitsubishi Electric Corporation GB-50A","Mitsubishi Electric Corporation GB-24A","Mitsubishi Electric Corporation G-150AD","Mitsubishi Electric Corporation AG-150A-A","Mitsubishi Electric Corporation AG-150A-J","Mitsubishi Electric Corporation GB-50AD","Mitsubishi Electric Corporation GB-50ADA-A","Mitsubishi Electric Corporation GB-50ADA-J","Mitsubishi Electric Corporation EB-50GU-A","Mitsubishi Electric Corporation EB-50GU-J","Mitsubishi Electric Corporation AE-200J","Mitsubishi Electric Corporation AE-200A","Mitsubishi Electric Corporation AE-200E","Mitsubishi Electric Corporation AE-50J","Mitsubishi Electric Corporation AE-50A","Mitsubishi Electric Corporation AE-50E","Mitsubishi Electric Corporation EW-50J","Mitsubishi Electric Corporation EW-50A","Mitsubishi Electric Corporation EW-50E","Mitsubishi Electric Corporation TE-200A","Mitsubishi Electric Corporation TE-50A","Mitsubishi Electric Corporation TW-50A","Mitsubishi Electric Corporation CMS-RMD-J"],"affected":[{"vendor":"Mitsubishi Electric Corporation","product":"G-50","defaultStatus":"unaffected","versions":[{"version":"All versions","status":"affected"}]},{"vendor":"Mitsubishi Electric Corporation","product":"G-50-W","defaultStatus":"unaffected","versions":[{"version":"All versions","status":"affected"}]},{"vendor":"Mitsubishi Electric Corporation","product":"G-50A","defaultStatus":"unaffected","versions":[{"version":"All versions","status":"affected"}]},{"vendor":"Mitsubishi Electric 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