CVE-2025-7693

Rockwell Automation Micro800 Vulnerability

Published Aug 18, 2025 CVSS 4.0 · 9.3 Critical EPSS < 1% KEV · Not listed
Description
A security issue exists due to improper handling of malformed CIP Forward Close packets during fuzzing. The controller enters a solid red Fault LED state and becomes unresponsive. Upon power cycle, the controller will enter recoverable fault where the MS LED and Fault LED become flashing red and reports fault code 0xF015. To recover, clear the fault.

Remediation

Vendor Solution

V23.011 and later

Tracking

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Advisories

Source ID Title
EUVD EUVD EUVD-2025-25134 A security issue exists due to improper handling of malformed CIP Forward Close packets during fuzzing. The controller enters a solid red Fault LED state and becomes unresponsive. Upon power cycle, the controller will enter recoverable fault where the MS LED and Fault LED become flashing red and reports fault code 0xF015. To recover, clear the fault.
History
Type Values Removed Values Added
First Time appeared Rockwellautomation
Rockwellautomation micro800
Vendors & Products Rockwellautomation
Rockwellautomation micro800
Type Values Removed Values Added
Metrics ssvc

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

Type Values Removed Values Added
Description A security issue exists due to improper handling of malformed CIP Forward Close packets during fuzzing. The controller enters a solid red Fault LED state and becomes unresponsive. Upon power cycle, the controller will enter recoverable fault where the MS LED and Fault LED become flashing red and reports fault code 0xF015. To recover, clear the fault.
Title Rockwell Automation Micro800 Vulnerability
Weaknesses CWE-20
References
Metrics cvssV4_0

{'score': 9.3, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
Rockwell
Published
Updated
Aug 18, 2025, 6:05 PM
Reserved
Jul 15, 2025, 7:32 PM
Status
Deferred
Published
Aug 18, 2025, 6:15 PM
Modified
Jun 17, 2026, 10:05 AM