CVE-2025-7693

Rockwell Automation Micro800 Vulnerability

State: Published
Severity: 9.3 Critical
Published: Aug 18, 2025
Updated: Aug 18, 2025
Reserved: Jul 15, 2025

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.

Scores

CVSS	Score	Vector	Source
4.0	9.3 Critical	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	Rockwell

Weaknesses

CWE-20 Improper Input Validation

Affected Products

Product	Versions
PLC - Micro850 L50ERockwell Automation	V20.011 - V22.011Affected

References

https://www.rockwellautomation.com/en-us/trust-center/security-advisories/advisory.SD1736.html

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