CVE-2026-84235highCWE-400

CVE-2026-84235: high-severity vulnerability in Rockwell Automation 1756-ENBT Module

Rockwell Automation 1756-ENBT Denial of Service Vulnerability

Published

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21Vexday Risk Score

No sign of exploitation. No public exploitation artifact known so far.

ssvc Trackcvss 8.7epss 0.4%
A denial-of-service security issue exists in the affected product. The security issue stems from a crafted CIP packet being sent crashing the module. The device requires a restart to recover.
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
Affected products
Rockwell Automation · 1756-ENBT Module