CVE-2025-7405: Information Disclosure, Information Tampering, and Denial of Service (DoS) Vulnerability in MELSEC iQ-F Series CPU module
Published Sep 1, 2025
·Updated
Missing Authentication for Critical Function vulnerability in Mitsubishi Electric Corporation MELSEC iQ-F Series CPU module allows a remote unauthenticated attacker to read or write the device values of the product and stop the operation of the programs, since MODBUS/TCP in the products does not have authentication features.
Affected Software
76 affected components
Mitsubishi Electric MELSEC iQ-F Series CPU Module
: Mitsubishi Electric MELSEC iQ-F Series FX5U-32MT/ES: 1.060 and later
: Mitsubishi Electric MELSEC iQ-F Series FX5U-32MT/DS: 1.060 and later
: Mitsubishi Electric MELSEC iQ-F Series FX5U-32MT/ESS: 1.060 and later
: Mitsubishi Electric MELSEC iQ-F Series FX5U-32MT/DSS: 1.060 and later
: Mitsubishi Electric MELSEC iQ-F Series FX5U-64MT/ES: 1.060 and later
: Mitsubishi Electric MELSEC iQ-F Series FX5U-64MT/DS: 1.060 and later
: Mitsubishi Electric MELSEC iQ-F Series FX5U-64MT/ESS: 1.060 and later
: Mitsubishi Electric MELSEC iQ-F Series FX5U-64MT/DSS: 1.060 and later
: Mitsubishi Electric MELSEC iQ-F Series FX5U-80MT/ES: 1.060 and later
: Mitsubishi Electric MELSEC iQ-F Series FX5U-80MT/DS: 1.060 and later
: Mitsubishi Electric MELSEC iQ-F Series FX5U-80MT/ESS: 1.060 and later
: Mitsubishi Electric MELSEC iQ-F Series FX5U-80MT/DSS: 1.060 and later
: Mitsubishi Electric MELSEC iQ-F Series FX5U-32MR/ES: 1.060 and later
: Mitsubishi Electric MELSEC iQ-F Series FX5U-32MR/DS: 1.060 and later
: Mitsubishi Electric MELSEC iQ-F Series FX5U-64MR/ES: 1.060 and later
: Mitsubishi Electric MELSEC iQ-F Series FX5U-64MR/DS: 1.060 and later
: Mitsubishi Electric MELSEC iQ-F Series FX5U-80MR/ES: 1.060 and later
: Mitsubishi Electric MELSEC iQ-F Series FX5U-80MR/DS: 1.060 and later
: Mitsubishi Electric MELSEC iQ-F Series FX5UC-32MT/D: 1.060 and later
: Mitsubishi Electric MELSEC iQ-F Series FX5UC-32MT/DSS: 1.060 and later
: Mitsubishi Electric MELSEC iQ-F Series FX5UC-64MT/D: 1.060 and later
: Mitsubishi Electric MELSEC iQ-F Series FX5UC-64MT/DSS: 1.060 and later
: Mitsubishi Electric MELSEC iQ-F Series FX5UC-96MT/D: 1.060 and later
: Mitsubishi Electric MELSEC iQ-F Series FX5UC-96MT/DSS: 1.060 and later
: Mitsubishi Electric MELSEC iQ-F Series FX5UC-32MT/DS-TS: 1.060 and later
: Mitsubishi Electric MELSEC iQ-F Series FX5UC-32MT/DSS-TS: 1.060 and later
: Mitsubishi Electric MELSEC iQ-F Series FX5UC-32MR/DS-TS: 1.060 and later
: Mitsubishi Electric MELSEC iQ-F Series FX5UJ-24MT/ES
: Mitsubishi Electric MELSEC iQ-F Series FX5UJ-24MT/DS
: Mitsubishi Electric MELSEC iQ-F Series FX5UJ-24MT/ESS
: Mitsubishi Electric MELSEC iQ-F Series FX5UJ-24MT/DSS
: Mitsubishi Electric MELSEC iQ-F Series FX5UJ-40MT/ES
: Mitsubishi Electric MELSEC iQ-F Series FX5UJ-40MT/DS
: Mitsubishi Electric MELSEC iQ-F Series FX5UJ-40MT/ESS
: Mitsubishi Electric MELSEC iQ-F Series FX5UJ-40MT/DSS
: Mitsubishi Electric MELSEC iQ-F Series FX5UJ-60MT/ES
: Mitsubishi Electric MELSEC iQ-F Series FX5UJ-60MT/DS
: Mitsubishi Electric MELSEC iQ-F Series FX5UJ-60MT/ESS
: Mitsubishi Electric MELSEC iQ-F Series FX5UJ-60MT/DSS
: Mitsubishi Electric MELSEC iQ-F Series FX5UJ-24MR/ES
: Mitsubishi Electric MELSEC iQ-F Series FX5UJ-24MR/DS
: Mitsubishi Electric MELSEC iQ-F Series FX5UJ-40MR/ES
: Mitsubishi Electric MELSEC iQ-F Series 'FX5UJ-40MR/DS
: Mitsubishi Electric MELSEC iQ-F Series FX5UJ-60MR/ES
: Mitsubishi Electric MELSEC iQ-F Series FX5UJ-60MR/DS
: Mitsubishi Electric MELSEC iQ-F Series FX5UJ-24MT/ES-A
: Mitsubishi Electric MELSEC iQ-F Series FX5UJ-24MR/ES-A
: Mitsubishi Electric MELSEC iQ-F Series FX5UJ-40MT/ES-A
: Mitsubishi Electric MELSEC iQ-F Series FX5UJ-40MR/ES-A
: Mitsubishi Electric MELSEC iQ-F Series FX5UJ-60MT/ES-A
: Mitsubishi Electric MELSEC iQ-F Series FX5UJ-60MR/ES-A
: Mitsubishi Electric MELSEC iQ-F Series FX5S-30MT/ES
: Mitsubishi Electric MELSEC iQ-F Series FX5S-30MT/DS
: Mitsubishi Electric MELSEC iQ-F Series FX5S-30MT/ESS
: Mitsubishi Electric MELSEC iQ-F Series FX5S-30MT/DSS
: Mitsubishi Electric MELSEC iQ-F Series FX5S-40MT/ES
: Mitsubishi Electric MELSEC iQ-F Series FX5S-40MT/DS
: Mitsubishi Electric MELSEC iQ-F Series FX5S-40MT/ESS
: Mitsubishi Electric MELSEC iQ-F Series FX5S-40MT/DSS
: Mitsubishi Electric MELSEC iQ-F Series FX5S-60MT/ES
: Mitsubishi Electric MELSEC iQ-F Series FX5S-60MT/DS
: Mitsubishi Electric MELSEC iQ-F Series FX5S-60MT/ESS
: Mitsubishi Electric MELSEC iQ-F Series FX5S-60MT/DSS
: Mitsubishi Electric MELSEC iQ-F Series FX5S-80MT/ES
: Mitsubishi Electric MELSEC iQ-F Series FX5S-80MT/DS
: Mitsubishi Electric MELSEC iQ-F Series FX5S-80MT/ESS
: Mitsubishi Electric MELSEC iQ-F Series FX5S-80MT/DSS
: Mitsubishi Electric MELSEC iQ-F Series FX5S-30MR/ES
: Mitsubishi Electric MELSEC iQ-F Series FX5S-30MR/DS
: Mitsubishi Electric MELSEC iQ-F Series FX5S-40MR/ES
: Mitsubishi Electric MELSEC iQ-F Series FX5S-40MR/DS
: Mitsubishi Electric MELSEC iQ-F Series FX5S-60MR/ES
: Mitsubishi Electric MELSEC iQ-F Series FX5S-60MR/DS
: Mitsubishi Electric MELSEC iQ-F Series FX5S-80MR/ES
: Mitsubishi Electric MELSEC iQ-F Series FX5S-80MR/DS
Event History
Sep 1, 2025
CVE Published
via MITRE·03:54 AM
Data Sourced
via MITRE·03:54 AM
DescriptionSeverityWeakness
Data Sourced
via ICS·04:05 AM
SeverityWeaknessAffected Software
Data Sourced
via NVD·04:15 AM
DescriptionSeverityWeakness
Frequently Asked Questions
1
What is the severity of CVE-2025-7405?
CVE-2025-7405 is classified as a critical vulnerability due to its potential for remote exploitation without authentication.
2
How do I fix CVE-2025-7405?
To mitigate CVE-2025-7405, it is recommended to update to the latest firmware or software version provided by Mitsubishi Electric.
3
Who is affected by CVE-2025-7405?
CVE-2025-7405 affects various models of the Mitsubishi Electric MELSEC iQ-F Series CPU modules.
4
What impact does CVE-2025-7405 have?
CVE-2025-7405 allows an attacker to read or write device values and disrupt program operations.
5
Is authentication required to exploit CVE-2025-7405?
No, CVE-2025-7405 can be exploited by remote attackers without any form of authentication.