Vulnerability in Rockwell Automation 1756-en2, 1756-en3
CVE-2026-9653
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…
Affected products
- Rockwell Automation 1756-en2, 1756-en3 — versions 12.001 and before
- Rockwell Automation 1756-enbt — versions 6.006