CVE-2025-13823

High

Description

A security issue was found in the IPv6 stack in the Micro850 and Micro870 controllers when the controllers received multiple malformed packets during fuzzing. The controllers will go into recoverable fault with fault code 0xFE60. To recover the controller, clear the fault.

SeverityHigh
CVSS7.1
Exploit probability—
ProductMicro820®, Micro850®, Micro870®
PublishedDec 15, 2025
First seenDec 15, 2025
Weakness typeCWE-1395CWE-1395

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—

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