CVE-2025-13824

Micro820®, Micro850®, Micro870® – Specialized Fuzzing Vulnerabilities

State: Published
Severity: 8.7 High
Published: Dec 15, 2025
Updated: Dec 15, 2025
Reserved: Dec 1, 2025

Description

A security issue exists due to improper handling of malformed CIP packets during fuzzing. The controller enters a hard fault with solid red Fault LED 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 0xF019. To recover, clear the fault.

Scores

CVSS	Score	Vector	Source
4.0	8.7 High	CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N	Rockwell

Weaknesses

CWE-763 Release of Invalid Pointer or Reference

Affected Products

Product	Versions
Micro820®, Micro850®, Micro870®Rockwell Automation	V23.011 and belowAffected V12.013 and lowerAffected V14.011 and lowerAffected

References

https://www.rockwellautomation.com/en-us/trust-center/security-advisories/advisory.SD1766.html

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