ICSA-25-240-02 · Published 2025-08-28 · View on CISA ICS-CERT ↗

Mitsubishi Electric MELSEC iQ-F Series CPU Module

CVSS 7.5 HIGH

Risk Summary

Successful exploitation of this vulnerability could allow an attacker the ability to obtain credential information by intercepting SLMP communication messages, and read or write the device values of the product by using the obtained credential information. In addition, the attacker may be able to stop the operations of programs.

CVEs (1)

CVE-2025-7731

Remediations

Mitsubishi Electric Corporation advises there are no plans to release a fixed version. Mitsubishi Electric recommends users take the following mitigation measures to minimize the risk of exploiting this vulnerability:
Use a virtual private network (VPN) or similar to encrypt SLMP communication.
Restrict physical access to the LAN connected by the affected products.
Mitsubishi Electric Corporation recommends users contact their local Mitsubishi Electric representative with questions.
For more information, see Mitsubishi Electric's security advisory..

Affected Vendors

Mitsubishi Electric

Affected Products (75)

Mitsubishi Electric · MELSEC iQ-F Series FX5U-32MT/ES vers:all/*

Mitsubishi Electric · MELSEC iQ-F Series FX5U-32MT/DS vers:all/*

Mitsubishi Electric · MELSEC iQ-F Series FX5U-32MT/ESS vers:all/*

Mitsubishi Electric · MELSEC iQ-F Series FX5U-32MT/DSS vers:all/*

Mitsubishi Electric · MELSEC iQ-F Series FX5U-64MT/ES vers:all/*

Mitsubishi Electric · MELSEC iQ-F Series FX5U-64MT/DS vers:all/*

Mitsubishi Electric · MELSEC iQ-F Series FX5U-64MT/ESS vers:all/*

Mitsubishi Electric · MELSEC iQ-F Series FX5U-64MT/DSS vers:all/*

Mitsubishi Electric · MELSEC iQ-F Series FX5U-80MT/ES vers:all/*

Mitsubishi Electric · MELSEC iQ-F Series FX5U-80MT/DS vers:all/*

Mitsubishi Electric · MELSEC iQ-F Series FX5U-80MT/ESS vers:all/*

Mitsubishi Electric · MELSEC iQ-F Series FX5U-80MT/DSS vers:all/*

Mitsubishi Electric · MELSEC iQ-F Series FX5U-32MR/ES vers:all/*

Mitsubishi Electric · MELSEC iQ-F Series FX5U-32MR/DS vers:all/*

Mitsubishi Electric · MELSEC iQ-F Series FX5U-64MR/ES vers:all/*

Mitsubishi Electric · MELSEC iQ-F Series FX5U-64MR/DS vers:all/*

Mitsubishi Electric · MELSEC iQ-F Series FX5U-80MR/ES vers:all/*

Mitsubishi Electric · MELSEC iQ-F Series FX5U-80MR/DS vers:all/*

Mitsubishi Electric · MELSEC iQ-F Series FX5UC-32MT/D vers:all/*

Mitsubishi Electric · MELSEC iQ-F Series FX5UC-32MT/DSS vers:all/*

Mitsubishi Electric · MELSEC iQ-F Series FX5UC-64MT/D vers:all/*

Mitsubishi Electric · MELSEC iQ-F Series FX5UC-64MT/DSS vers:all/*

Mitsubishi Electric · MELSEC iQ-F Series FX5UC-96MT/D vers:all/*

Mitsubishi Electric · MELSEC iQ-F Series FX5UC-96MT/DSS vers:all/*

Mitsubishi Electric · MELSEC iQ-F Series FX5UC-32MT/DS-TS vers:all/*

Mitsubishi Electric · MELSEC iQ-F Series FX5UC-32MT/DSS-TS vers:all/*

Mitsubishi Electric · MELSEC iQ-F Series FX5UC-32MR/DS-TS vers:all/*

Mitsubishi Electric · MELSEC iQ-F Series FX5UJ-24MT/ES vers:all/*

Mitsubishi Electric · MELSEC iQ-F Series FX5UJ-24MT/DS vers:all/*

Mitsubishi Electric · MELSEC iQ-F Series FX5UJ-24MT/ESS vers:all/*

Mitsubishi Electric · MELSEC iQ-F Series FX5UJ-24MT/DSS vers:all/*

Mitsubishi Electric · MELSEC iQ-F Series FX5UJ-40MT/ES vers:all/*

Mitsubishi Electric · MELSEC iQ-F Series FX5UJ-40MT/DS vers:all/*

Mitsubishi Electric · MELSEC iQ-F Series FX5UJ-40MT/ESS vers:all/*

Mitsubishi Electric · MELSEC iQ-F Series FX5UJ-40MT/DSS vers:all/*

Mitsubishi Electric · MELSEC iQ-F Series FX5UJ-60MT/ES vers:all/*

Mitsubishi Electric · MELSEC iQ-F Series FX5UJ-60MT/DS vers:all/*

Mitsubishi Electric · MELSEC iQ-F Series FX5UJ-60MT/ESS vers:all/*

Mitsubishi Electric · MELSEC iQ-F Series FX5UJ-60MT/DSS vers:all/*

Mitsubishi Electric · MELSEC iQ-F Series FX5UJ-24MR/ES vers:all/*

Mitsubishi Electric · MELSEC iQ-F Series FX5UJ-24MR/DS vers:all/*

Mitsubishi Electric · MELSEC iQ-F Series FX5UJ-40MR/ES vers:all/*

Mitsubishi Electric · MELSEC iQ-F Series FX5UJ-40MR/DS vers:all/*

Mitsubishi Electric · MELSEC iQ-F Series FX5UJ-60MR/ES vers:all/*

Mitsubishi Electric · MELSEC iQ-F Series FX5UJ-60MR/DS vers:all/*

Mitsubishi Electric · MELSEC iQ-F Series FX5UJ-24MT/ES-A vers:all/*

Mitsubishi Electric · MELSEC iQ-F Series FX5UJ-24MR/ES-A vers:all/*

Mitsubishi Electric · MELSEC iQ-F Series FX5UJ-40MT/ES-A vers:all/*

Mitsubishi Electric · MELSEC iQ-F Series FX5UJ-40MR/ES-A vers:all/*

Mitsubishi Electric · MELSEC iQ-F Series FX5UJ-60MT/ES-A vers:all/*

Mitsubishi Electric · MELSEC iQ-F Series FX5UJ-60MR/ES-A vers:all/*

Mitsubishi Electric · MELSEC iQ-F Series FX5S-30MT/ES vers:all/*

Mitsubishi Electric · MELSEC iQ-F Series FX5S-30MT/DS vers:all/*

Mitsubishi Electric · MELSEC iQ-F Series FX5S-30MT/ESS vers:all/*

Mitsubishi Electric · MELSEC iQ-F Series FX5S-30MT/DSS vers:all/*

Mitsubishi Electric · MELSEC iQ-F Series FX5S-40MT/ES vers:all/*

Mitsubishi Electric · MELSEC iQ-F Series FX5S-40MT/DS vers:all/*

Mitsubishi Electric · MELSEC iQ-F Series FX5S-40MT/ESS vers:all/*

Mitsubishi Electric · MELSEC iQ-F Series FX5S-40MT/DSS vers:all/*

Mitsubishi Electric · MELSEC iQ-F Series FX5S-60MT/ES vers:all/*

Mitsubishi Electric · MELSEC iQ-F Series FX5S-60MT/DS vers:all/*

Mitsubishi Electric · MELSEC iQ-F Series FX5S-60MT/ESS vers:all/*

Mitsubishi Electric · MELSEC iQ-F Series FX5S-60MT/DSS vers:all/*

Mitsubishi Electric · MELSEC iQ-F Series FX5S-80MT/ES vers:all/*

Mitsubishi Electric · MELSEC iQ-F Series FX5S-80MT/DS vers:all/*

Mitsubishi Electric · MELSEC iQ-F Series FX5S-80MT/ESS vers:all/*

Mitsubishi Electric · MELSEC iQ-F Series FX5S-80MT/DSS vers:all/*

Mitsubishi Electric · MELSEC iQ-F Series FX5S-30MR/ES vers:all/*

Mitsubishi Electric · MELSEC iQ-F Series FX5S-30MR/DS vers:all/*

Mitsubishi Electric · MELSEC iQ-F Series FX5S-40MR/ES vers:all/*

Mitsubishi Electric · MELSEC iQ-F Series FX5S-40MR/DS vers:all/*

Mitsubishi Electric · MELSEC iQ-F Series FX5S-60MR/ES vers:all/*

Mitsubishi Electric · MELSEC iQ-F Series FX5S-60MR/DS vers:all/*

Mitsubishi Electric · MELSEC iQ-F Series FX5S-80MR/ES vers:all/*

Mitsubishi Electric · MELSEC iQ-F Series FX5S-80MR/DS vers:all/*

Affected Sectors

Critical Manufacturing

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