CVE-2025-7405

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

HIGH
7.3
CVSS Score
Published: September 1, 2025 at 03:54 AM UTC
Updated: June 17, 2026 at 10:04 AM UTC
75 products affected across 1 vendorMELSEC iQ-F FX5UC-96MT/DMELSEC iQ-F FX5U-64MR/ESMELSEC iQ-F FX5U-32MT/DSS

Using MELSEC iQ-F Series FX5U-32MT/ES by Mitsubishi Electric Corporation?

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Severity
HIGH7.3
Exploit prediction
EPSS 0.5%
SSVC
No known exploit

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.

Affected

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

7.3HIGHMitsubishi
Attack Vector
NETWORK
Complexity
LOW
Privileges
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
LOW
Integrity
LOW
Availability
LOW
Vector?

Quick Info

StatusDEFERRED
CWE
CWE-306

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