Paper/Archive/CVE-2025-3699

CVE-2025-3699

Mitsubishi Electric Corporation G-50 — Missing Authentication for Critical Function vulnerability in Mitsubishi Electric Corporation G-50 all versions, G-50-W all versions, G-5…

Description · from the CVE record

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

ProductAffectedFixed inSource
G-50All versions–CNA
G-50-WAll versions–CNA
G-50AAll versions–CNA
GB-50All versions–CNA
GB-50AAll versions–CNA
GB-24AAll versions–CNA
G-150ADAll versions–CNA
AG-150A-AAll versions–CNA
AG-150A-JAll versions–CNA
GB-50ADAll versions–CNA
GB-50ADA-AAll versions–CNA
GB-50ADA-JAll versions–CNA

Scores by source

Mitsubishi (CNA)9.8CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CISA ADPSSVCExploitation: none · Automatable: yes · Technical impact: total

References

advisorymitsubishielectric.com/psirt/vulnerability/pdf/2025-004_en.pdfrefjvn.jp/vu/JVNVU96471539refcisa.gov/news-events/ics-advisories/icsa-25-177-01