Vulnerability · Published Sep 1, 2025 · Assigned by Mitsubishi
CVE-2025-7731Information Disclosure Vulnerability in MELSEC iQ-F Series CPU module
High 7.5
In plain English
A high-severity security flaw in MELSEC iQ-F Series FX5S-30MR/ES from Mitsubishi Electric Corporation. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.3% (higher than 29% of all known vulnerabilities).
Official description
Cleartext Transmission of Sensitive Information vulnerability in Mitsubishi Electric Corporation MELSEC iQ-F Series CPU module allows a remote unauthenticated attacker to obtain credential information by intercepting SLMP communication messages, and read or write the device values of the product and stop the operations of programs by using the obtained credential information.
Affected products (as reported)
Weakness: CWE-319 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
References
- https://www.mitsubishielectric.com/psirt/vulnerability/pdf/2025-012_en.pdf vendor-advisory
- https://jvn.jp/vu/JVNVU90041458/ government-resource
- https://www.cisa.gov/news-events/ics-advisories/icsa-25-240-02 government-resource