CVE Intelligence

Rockwell Automation 1756-ENBT vulnerabilities

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Published CVEs affecting Rockwell Automation 1756-ENBT: 1 record(s), with affected versions and fixes.

CVE-2026-9653 High · 8.7 CWE-354 Jul 14, 2026
1756-EN2, 1756-EN3, and 1756-ENBT - Denial of Service via CIP Connection ID
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 connections will recover immediately after.