CVE Catalog

CVE-2025-13823

HighCVSS 7.1
Published: Updated: Translated: NVD NIST

Exploitation Probability (EPSS)

Low risk
0.20%

9th percentile - higher than 9% of all known CVEs

Summary

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.

Risk Assessment

The risk includes controller unavailability, which could lead to disruptions in industrial processes and require manual intervention to restore operation.

Recommendation

It is recommended to update the controller firmware to a version that includes the fix. Also, limit the controller's exposure to untrusted networks and monitor for unusual packets.

Related vulnerabilities

Original NVD description (English source)

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.

Vulnerability data from NVD (NIST) · CISA KEV · EPSS