High severity · published Sep 1, 2025
CVE-2025-7405
Information Disclosure, Information Tampering, and Denial of Service (DoS) Vulnerability in MELSEC iQ-F Series CPU module
7.3
CVSS
0.5%
EPSS
No
On KEV
Description
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
Low
Integrity
Low
Availability
Low
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.5% · higher than 41% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
MI
MELSEC iQ-F Series FX5S-30MR/ES · Mitsubishi Electric Corporation
All versions · source: vendor
MI
MELSEC iQ-F Series FX5S-30MT/ES · Mitsubishi Electric Corporation
All versions · source: vendor
MI
MELSEC iQ-F Series FX5S-30MT/ESS · Mitsubishi Electric Corporation
All versions · source: vendor
MI
MELSEC iQ-F Series FX5S-40MR/ES · Mitsubishi Electric Corporation
All versions · source: vendor
MI
MELSEC iQ-F Series FX5S-40MT/ES · Mitsubishi Electric Corporation
All versions · source: vendor
MI
MELSEC iQ-F Series FX5S-40MT/ESS · Mitsubishi Electric Corporation
All versions · source: vendor
MI
MELSEC iQ-F Series FX5S-60MR/ES · Mitsubishi Electric Corporation
All versions · source: vendor
MI
MELSEC iQ-F Series FX5S-60MT/ES · Mitsubishi Electric Corporation
All versions · source: vendor
MI
MELSEC iQ-F Series FX5S-60MT/ESS · Mitsubishi Electric Corporation
All versions · source: vendor
MI
MELSEC iQ-F Series FX5U-32MR/DS · Mitsubishi Electric Corporation
1.060 and later · source: vendor
MI
MELSEC iQ-F Series FX5U-32MR/ES · Mitsubishi Electric Corporation
1.060 and later · source: vendor
MI
MELSEC iQ-F Series FX5U-32MT/DS · Mitsubishi Electric Corporation
1.060 and later · source: vendor
Affected product
MI
MELSEC iQ-F Series FX5S-30MR/ES
Mitsubishi Electric Corporation
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2025-7405
CVE.org
https://www.cve.org/CVERecord?id=CVE-2025-7405
jvn.jp
https://jvn.jp/vu/JVNVU90041458/
www.cisa.gov
https://www.cisa.gov/news-events/ics-advisories/icsa-25-240-01
www.mitsubishielectric.com
https://www.mitsubishielectric.com/psirt/vulnerability/pdf/2025-011_en.pdf
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