CVE-2025-13824

High

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.

SeverityHigh
CVSS8.7
Exploit probability—
ProductMicro820®, Micro850®, Micro870®
PublishedDec 15, 2025
First seenDec 15, 2025
Weakness typeCWE-763CWE-763

How to fix

Sources list no fixed version or patch link for this vulnerability.

Affected products

ProductAffected versionsFixed in
Rockwell Automation Micro820®, Micro850®, Micro870®V23.011 and below, V12.013 and lower, V14.011 and lower—

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