CVE-2025-7731

Information Disclosure Vulnerability in MELSEC iQ-F Series CPU module

HIGH
7.5
CVSS Score
Published: September 1, 2025 at 03:57 AM UTC
Updated: June 17, 2026 at 10:05 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
HIGH7.5
Exploit prediction
EPSS 0.3%
SSVC
No known exploit

Description

Cleartext Transmission of Sensitive Information vulnerability in Mitsubishi Electric Corporation MELSEC iQ-F Series CPU module allows a remote unauthenticated attacker to obtain credential information by intercepting SLMP communication messages, and read or write the device values of the product and stop the operations of programs by using the obtained credential information.

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

7.5HIGHMitsubishi
Attack Vector
NETWORK
Complexity
LOW
Privileges
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
NONE
Availability
NONE
Vector?

Quick Info

StatusDEFERRED
CWE
CWE-319

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