CVE-2026-84235

High

Description

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.

SeverityHigh
CVSS8.7
Exploit probability—
Product1756-ENBT Module
PublishedSep 1, 2026
First seenSep 1, 2026

How to fix

Sources list no fixed version or patch link for this vulnerability.

Affected products

ProductAffected versionsFixed in
Rockwell Automation 1756-ENBT ModuleNo range specified—

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