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CVE-2025-7731

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CVE-2025-7731

Published: Sep 1, 2025

Modified: Sep 2, 2025

PUBLISHED

CVSS v3.1

7.5

HIGH

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.

VendorProductVersions

Mitsubishi Electric Corporation

MELSEC iQ-F Series FX5U-32MT/ES

affected
All versions

Mitsubishi Electric Corporation

MELSEC iQ-F Series FX5U-32MT/DS

affected
All versions

Mitsubishi Electric Corporation

MELSEC iQ-F Series FX5U-32MT/ESS

affected
All versions

Mitsubishi Electric Corporation

MELSEC iQ-F Series FX5U-32MT/DSS

affected
All versions

Mitsubishi Electric Corporation

MELSEC iQ-F Series FX5U-32MR/ES

affected
All versions

Mitsubishi Electric Corporation

MELSEC iQ-F Series FX5U-32MR/DS

affected
All versions

Mitsubishi Electric Corporation

MELSEC iQ-F Series FX5U-64MT/ES

affected
All versions

Mitsubishi Electric Corporation

MELSEC iQ-F Series FX5U-64MT/DS

affected
All versions

Mitsubishi Electric Corporation

MELSEC iQ-F Series FX5U-64MT/ESS

affected
All versions

Mitsubishi Electric Corporation

MELSEC iQ-F Series FX5U-64MT/DSS

affected
All versions

Mitsubishi Electric Corporation

MELSEC iQ-F Series FX5U-64MR/ES

affected
All versions

Mitsubishi Electric Corporation

MELSEC iQ-F Series FX5U-64MR/DS

affected
All versions

Mitsubishi Electric Corporation

MELSEC iQ-F Series FX5U-80MT/ES

affected
All versions

Mitsubishi Electric Corporation

MELSEC iQ-F Series FX5U-80MT/DS

affected
All versions

Mitsubishi Electric Corporation

MELSEC iQ-F Series FX5U-80MT/ESS

affected
All versions

Mitsubishi Electric Corporation

MELSEC iQ-F Series FX5U-80MT/DSS

affected
All versions

Mitsubishi Electric Corporation

MELSEC iQ-F Series FX5U-80MR/ES

affected
All versions

Mitsubishi Electric Corporation

MELSEC iQ-F Series FX5U-80MR/DS

affected
All versions

Mitsubishi Electric Corporation

MELSEC iQ-F Series FX5UC-32MT/D

affected
All versions

Mitsubishi Electric Corporation

MELSEC iQ-F Series FX5UC-32MT/DSS

affected
All versions

Mitsubishi Electric Corporation

MELSEC iQ-F Series FX5UC-64MT/D

affected
All versions

Mitsubishi Electric Corporation

MELSEC iQ-F Series FX5UC-64MT/DSS

affected
All versions

Mitsubishi Electric Corporation

MELSEC iQ-F Series FX5UC-96MT/D

affected
All versions

Mitsubishi Electric Corporation

MELSEC iQ-F Series FX5UC-96MT/DSS

affected
All versions

Mitsubishi Electric Corporation

MELSEC iQ-F Series FX5UC-32MT/DS-TS

affected
All versions

Mitsubishi Electric Corporation

MELSEC iQ-F Series FX5UC-32MT/DSS-TS

affected
All versions

Mitsubishi Electric Corporation

MELSEC iQ-F Series FX5UC-32MR/DS-TS

affected
All versions

Mitsubishi Electric Corporation

MELSEC iQ-F Series FX5UJ-24MT/ES

affected
All versions

Mitsubishi Electric Corporation

MELSEC iQ-F Series FX5UJ-24MT/DS

affected
All versions

Mitsubishi Electric Corporation

MELSEC iQ-F Series FX5UJ-24MT/ESS

affected
All versions

Mitsubishi Electric Corporation

MELSEC iQ-F Series FX5UJ-24MT/DSS

affected
All versions

Mitsubishi Electric Corporation

MELSEC iQ-F Series FX5UJ-24MR/ES

affected
All versions

Mitsubishi Electric Corporation

MELSEC iQ-F Series FX5UJ-24MR/DS

affected
All versions

Mitsubishi Electric Corporation

MELSEC iQ-F Series FX5UJ-40MT/ES

affected
All versions

Mitsubishi Electric Corporation

MELSEC iQ-F Series FX5UJ-40MT/DS

affected
All versions

Mitsubishi Electric Corporation

MELSEC iQ-F Series FX5UJ-40MT/ESS

affected
All versions

Mitsubishi Electric Corporation

MELSEC iQ-F Series FX5UJ-40MT/DSS

affected
All versions

Mitsubishi Electric Corporation

MELSEC iQ-F Series FX5UJ-40MR/ES

affected
All versions

Mitsubishi Electric Corporation

MELSEC iQ-F Series FX5UJ-40MR/DS

affected
All versions

Mitsubishi Electric Corporation

MELSEC iQ-F Series FX5UJ-60MT/ES

affected
All versions

Mitsubishi Electric Corporation

MELSEC iQ-F Series FX5UJ-60MT/DS

affected
All versions

Mitsubishi Electric Corporation

MELSEC iQ-F Series FX5UJ-60MT/ESS

affected
All versions

Mitsubishi Electric Corporation

MELSEC iQ-F Series FX5UJ-60MT/DSS

affected
All versions

Mitsubishi Electric Corporation

MELSEC iQ-F Series FX5UJ-60MR/ES

affected
All versions

Mitsubishi Electric Corporation

MELSEC iQ-F Series FX5UJ-60MR/DS

affected
All versions

Mitsubishi Electric Corporation

MELSEC iQ-F Series FX5UJ-24MT/ES-A

affected
All versions

Mitsubishi Electric Corporation

MELSEC iQ-F Series FX5UJ-24MR/ES-A

affected
All versions

Mitsubishi Electric Corporation

MELSEC iQ-F Series FX5UJ-40MT/ES-A

affected
All versions

Mitsubishi Electric Corporation

MELSEC iQ-F Series FX5UJ-40MR/ES-A

affected
All versions

Mitsubishi Electric Corporation

MELSEC iQ-F Series FX5UJ-60MT/ES-A

affected
All versions

Mitsubishi Electric Corporation

MELSEC iQ-F Series FX5UJ-60MR/ES-A

affected
All versions

Mitsubishi Electric Corporation

MELSEC iQ-F Series FX5S-30MT/ES

affected
All versions

Mitsubishi Electric Corporation

MELSEC iQ-F Series FX5S-30MT/ESS

affected
All versions

Mitsubishi Electric Corporation

MELSEC iQ-F Series FX5S-30MR/ES

affected
All versions

Mitsubishi Electric Corporation

MELSEC iQ-F Series FX5S-40MT/ES

affected
All versions

Mitsubishi Electric Corporation

MELSEC iQ-F Series FX5S-40MT/ESS

affected
All versions

Mitsubishi Electric Corporation

MELSEC iQ-F Series FX5S-40MR/ES

affected
All versions

Mitsubishi Electric Corporation

MELSEC iQ-F Series FX5S-60MT/ES

affected
All versions

Mitsubishi Electric Corporation

MELSEC iQ-F Series FX5S-60MT/ESS

affected
All versions

Mitsubishi Electric Corporation

MELSEC iQ-F Series FX5S-60MR/ES

affected
All versions

Mitsubishi Electric Corporation

MELSEC iQ-F Series FX5S-80MT/ES

affected
All versions

Mitsubishi Electric Corporation

MELSEC iQ-F Series FX5S-80MT/ESS

affected
All versions

Mitsubishi Electric Corporation

MELSEC iQ-F Series FX5S-80MR/ES

affected
All versions

Mitsubishi Electric Corporation

MELSEC iQ-F Series FX5S-30MT/DS

affected
All versions

Mitsubishi Electric Corporation

MELSEC iQ-F Series FX5S-30MT/DSS

affected
All versions

Mitsubishi Electric Corporation

MELSEC iQ-F Series FX5S-30MR/DS

affected
All versions

Mitsubishi Electric Corporation

MELSEC iQ-F Series FX5S-40MT/DS

affected
All versions

Mitsubishi Electric Corporation

MELSEC iQ-F Series FX5S-40MT/DSS

affected
All versions

Mitsubishi Electric Corporation

MELSEC iQ-F Series FX5S-40MR/DS

affected
All versions

Mitsubishi Electric Corporation

MELSEC iQ-F Series FX5S-60MT/DS

affected
All versions

Mitsubishi Electric Corporation

MELSEC iQ-F Series FX5S-60MT/DSS

affected
All versions

Mitsubishi Electric Corporation

MELSEC iQ-F Series FX5S-60MR/DS

affected
All versions

Mitsubishi Electric Corporation

MELSEC iQ-F Series FX5S-80MT/DS

affected
All versions

Mitsubishi Electric Corporation

MELSEC iQ-F Series FX5S-80MT/DSS

affected
All versions

Mitsubishi Electric Corporation

MELSEC iQ-F Series FX5S-80MR/DS

affected
All versions

Weaknesses (CWE)

CVSS v3.1 Details

CVSS v3.1 Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

None

Availability

None

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