CVE-2025-3755

Information Disclosure and Denial-of-Service(DoS) Vulnerability in MELSEC iQ-F Series CPU module

Published: May 29, 2025Updated: Aug 27, 2025 Sources: CVE List NVD BDU csafCWE-1285

9.1CRITICAL

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.

No summary for this CVE yet.

CVSS Vector Breakdown

Exploitability

AV:NAttack Vector

Network

AC:LAttack Complexity

Low

PR:NPrivileges Required

None

UI:NUser Interaction

None

Scope

S:UScope

Unchanged

Impact

C:HConfidentiality

High

I:NIntegrity

None

A:HAvailability

High

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Weaknesses

CWE-1285

Affected Products

Mitsubishi Electric Corporation

commercial·JPaka mitsubishi electric

MELSEC iQ-F Series FX5U-32MT/ES

ICS / OT / IoT

MELSEC iQ-F Series FX5U-32MT/DS

ICS / OT / IoT

MELSEC iQ-F Series FX5U-32MT/ESS

ICS / OT / IoT

MELSEC iQ-F Series FX5U-32MT/DSS

ICS / OT / IoT

MELSEC iQ-F Series FX5U-32MR/ES

ICS / OT / IoT

MELSEC iQ-F Series FX5U-32MR/DS

ICS / OT / IoT

MELSEC iQ-F Series FX5U-64MT/ES

ICS / OT / IoT

MELSEC iQ-F Series FX5U-64MT/DS

ICS / OT / IoT

and 73 more affected products View all →

Exploitability

Official Patch Available

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References

https://www.mitsubishielectric.com/psirt/vulnerability/pdf/2025-003_en.pdf

mitsubishielectric.com

https://jvn.jp/vu/JVNVU94070048/

jvn.jp

https://www.cisa.gov/news-events/ics-advisories/icsa-25-153-03

cisa.gov

and 12 more references View all →

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