CVE-2025-13823

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.

CVSS 4.0

7.1CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N

EPSS

0.2% chance of exploitation in the next 30 days; higher than 9% of CVEs (scores of 2026-10-25)

Published

2025-12-15

Modified

2026-10-07

Record from

the NVD, synced 2026-10-19

References

• https://www.rockwellautomation.com/en-us/trust-center/security-advisories/advisory.SD1766.html

Check your stackJSON