CVE-2025-3699Missing Authentication for Critical Function vulnerability in Mitsubishi Electric Corporation G-50 all versions, G-50-W all versions,…
- 9.8CriticalCVSS base score
- 1.1%Exploitation in 30 daysEPSS · top 33% of all CVEs
- NoKnown exploitednot in CISA's KEV catalog
- NonePublic exploitsnone known yet
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.
Timeline
ID reserved
By Mitsubishi
- 2 months later
· 2 months later
Published
- 6 months later
· 6 months later
Record updated
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| MitsubishiCNA (assigner) | 3.1 | Critical9.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
| NVDNVD · Deferred | 3.1 | Critical9.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
- EPSS (exploitation in 30 days)
- 1.1% · top 33% of all CVEs (12 Nov 2026)
- CISA SSVC
- Exploitation: none · Automatable: yes · Technical impact: total
The list uses the assigner's score when there is one, then CISA's, then NVD's: Critical 9.8.
Affected products
Mitsubishi Electric Corporation · G-50
- affected All versions
Mitsubishi Electric Corporation · G-50-W
- affected All versions
Mitsubishi Electric Corporation · G-50A
- affected All versions
Mitsubishi Electric Corporation · GB-50
- affected All versions
Mitsubishi Electric Corporation · GB-50A
- affected All versions
Mitsubishi Electric Corporation · GB-24A
- affected All versions
Mitsubishi Electric Corporation · G-150AD
- affected All versions
Mitsubishi Electric Corporation · AG-150A-A
- affected All versions
Mitsubishi Electric Corporation · AG-150A-J
- affected All versions
Mitsubishi Electric Corporation · GB-50AD
- affected All versions
Mitsubishi Electric Corporation · GB-50ADA-A
- affected All versions
Mitsubishi Electric Corporation · GB-50ADA-J
- affected All versions
Mitsubishi Electric Corporation · EB-50GU-A
- affected All versions
Mitsubishi Electric Corporation · EB-50GU-J
- affected All versions
Mitsubishi Electric Corporation · AE-200J
- affected All versions
Mitsubishi Electric Corporation · AE-200A
- affected All versions
Mitsubishi Electric Corporation · AE-200E
- affected All versions
Mitsubishi Electric Corporation · AE-50J
- affected All versions
Mitsubishi Electric Corporation · AE-50A
- affected All versions
Mitsubishi Electric Corporation · AE-50E
- affected All versions
Mitsubishi Electric Corporation · EW-50J
- affected All versions
Mitsubishi Electric Corporation · EW-50A
- affected All versions
Mitsubishi Electric Corporation · EW-50E
- affected All versions
Mitsubishi Electric Corporation · TE-200A
- affected All versions
Mitsubishi Electric Corporation · TE-50A
- affected All versions
Mitsubishi Electric Corporation · TW-50A
- affected All versions
Mitsubishi Electric Corporation · CMS-RMD-J
- affected All versions
References
References3
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- EUVD EUVD-2025-19244 (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://cveledger.app/cve/CVE-2025-3699)Record last updated .