CVE-2026-9653: Improper Validation of Integrity Check Value

A denial-of-service security issue exists across all the 1756-EN2, EN3, and ENBT communication module due to improper validation of CIP Implicit Connection packets. An attacker on the network can exploit this by sending crafted packets to continuously disrupt device connections, though device...

Rockwell Automation Select Communication Modules Out-of-Bounds Write (CVE-2023-3595)

A vulnerability exists in the 1756 EN2 and 1756 EN3 products, it could allow a malicious user to perform remote code execution with persistence on the target system through maliciously crafted CIP messages. This includes the ability to modify, deny, and exfiltrate data passing through the device...