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High ICSA-25-352-07 2 CVEs

Rockwell Automation Micro820, Micro850, Micro870

Published Dec 18, 2025 · Updated Dec 18, 2025

Vendor: Rockwell Automation Product: Micro820

Summary

Successful exploitation of these vulnerabilities could result in a denial-of-service condition.

Vulnerabilities 2

  • High 8.7
    CVE-2025-13824

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

    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 …

    Rockwell Automation Micro820®, Micro850®, Micro870® ICS / OT
  • High 7.1
    CVE-2025-13823

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

    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, cl…

    Rockwell Automation Micro820®, Micro850®, Micro870® ICS / OT

Revision history

  1. #1

    Initial Publication

References