Improper Validation of Specified Index, Position, or Offset in Input vulnerability in Mitsubishi Electric Corporation MELSEC iQ-F Series CPU modules allows a remote unauthenticated attacker to read information in the product, to cause a Denial-of-Service (DoS) condition in MELSOFT connection, or to stop the operation of the CPU module (causing a DoS condtion on the CPU module), by sending specially crafted packets. The product is needed to reset for recovery.

Metrics

No CVSS v4.0

Attack Vector Network

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact High

Integrity Impact None

Availability Impact High

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

The EPSS score is 0.00037.

Exploitation none

Automatable yes

Technical Impact total

Affected Vendors & Products

No data.

No data.

No data.

No data.

Advisories
Source ID Title
EUVD EUVD EUVD-2025-16363 Improper Validation of Specified Index, Position, or Offset in Input vulnerability in Mitsubishi Electric Corporation MELSEC iQ-F Series CPU modules allows a remote unauthenticated attacker to read information in the product, to cause a Denial-of-Service (DoS) condition in MELSOFT connection, or to stop the operation of the CPU module (causing a DoS condtion on the CPU module), by sending specially crafted packets. The product is needed to reset for recovery.
Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

References
Link Providers
https://jvn.jp/vu/JVNVU94070048/ cve-icon cve-icon
https://www.cisa.gov/news-events/ics-advisories/icsa-25-153-03 cve-icon cve-icon
https://www.mitsubishielectric.com/psirt/vulnerability/pdf/2025-003_en.pdf cve-icon cve-icon
History

Wed, 27 Aug 2025 08:15:00 +0000

Type Values Removed Values Added
References

Thu, 29 May 2025 14:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Thu, 29 May 2025 05:00:00 +0000

Type Values Removed Values Added
Description Improper Validation of Specified Index, Position, or Offset in Input vulnerability in Mitsubishi Electric Corporation MELSEC iQ-F Series CPU modules allows a remote unauthenticated attacker to read information in the product, to cause a Denial-of-Service (DoS) condition in MELSOFT connection, or to stop the operation of the CPU module (causing a DoS condtion on the CPU module), by sending specially crafted packets. The product is needed to reset for recovery.
Title Information Disclosure and Denial-of-Service(DoS) Vulnerability in MELSEC iQ-F Series CPU module
Weaknesses CWE-1285
References
Metrics cvssV3_1

{'score': 9.1, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H'}
cve-icon MITRE

Status: PUBLISHED

Assigner: Mitsubishi

Published:

Updated: 2025-08-27T08:02:37.808Z

Reserved: 2025-04-17T07:04:51.773Z

Link: CVE-2025-3755

cve-icon Vulnrichment

Updated: 2025-05-29T13:16:54.248Z

cve-icon NVD

Status : Awaiting Analysis

Published: 2025-05-29T05:15:20.930

Modified: 2025-08-27T08:15:33.090

Link: CVE-2025-3755

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.