Vulnerability in IPv6 Stack of Micro850 and Micro870 Controllers by Rockwell Automation
CVE-2025-13823

7.1HIGH

Key Information:

Vendor

Rockwell Automation
Status
Micro820®, Micro850®, Micro870®
Vendor
CVE Published:
15 December 2025

What is CVE-2025-13823?

A security issue has been identified in the IPv6 stack of Micro850 and Micro870 controllers. This vulnerability is triggered when the controllers process multiple malformed packets, resulting in a recoverable fault identified by fault code 0xFE60. To restore functionality, users must clear the fault condition. It is essential for users to be aware of this potential security risk and take appropriate measures to monitor and safeguard their systems.

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Affected Version(s)

Micro820®, Micro850®, Micro870® V23.011

References

https://www.rockwellautomation.com/en-us/trust-center/sec...

CVSS V4

Score:
7.1
Severity:
HIGH
Confidentiality:
None
Integrity:
None
Availability:
High
Attack Vector:
Adjacent Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • Vulnerability published

  • Vulnerability Reserved

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