VYPR

1756-EN4TR Communications Module

by Rockwellautomation

CVEs (1)

  • CVE-2026-9636HigJul 14, 2026
    risk 0.38cvss epss 0.00

    A security issue exists within CompactLogix® 5380, ControlLogix® 5580, and EN4 communication modules related to CIP Security certificate revocation handling. The security issue stems from the controller failing to properly reject certificates signed by an intermediate…