CVE-2026-9636

CVE-2026-9636 affects Rockwell CompactLogix 5380, ControlLogix 5580, and EN4 communications modules. The issue is in CIP Security certificate revocation handling: the controller may fail to reject certificates signed by intermediates that have been revoked via a CRL, potentially allowing a networ...

The vulnerability of the microprogrammed software in Rockwell Automation’s CompactLogix, ControlLogix, GuardLogix, and Communication Module 1756-EN4 systems allows a intruder to trigger a service failure.

The vulnerability of the microprogrammed software in Rockwell Automation’s CompactLogix, ControlLogix, GuardLogix, and Communication Module 1756-EN4 is related to errors in processing input data. Exploiting this vulnerability can allow an attacker to cause malfunctions in the system remotely...