Description
Incorrect Implementation of Authentication Algorithm Vulnerability in Mitsubishi Electric GX Works3 and Motion Control Setting allows a local attacker to successfully authenticate even with an invalid block password by executing the affected product and modifying part of the executable module in memory, and thereby may be able to view, tamper with, destroy, or delete control programs.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| Mitsubishi Electric | GX Works3 | All versions | — |
| Mitsubishi Electric | Motion Control Setting | All versions | — |
Advisories 1
- ICSA-26-260-02 Mitsubishi Electric GX Works3 and Motion Control Settings CISA ICS & IT advisories · Sep 17, 2026
References
- https://www.mitsubishielectric.com/psirt/vulnerability/pdf/2026-007_en.pdf vendor-advisory
- https://jvn.jp/vu/JVNVU99700314 government-resource
- https://www.cisa.gov/news-events/ics-advisories/icsa-26-260-02 government-resource