CVE-2026-84235 — Rockwell Automation 1756-ENBT Denial of Service Vulnerability

CVE-2026-84235

Rockwell Automation 1756-ENBT Denial of Service Vulnerability PUBLISHED

Description (CNA)

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.

Affected (CNA)

Vendor / product	Versions
Rockwell Automation / 1756-ENBT Module	affected All versions

CWE

No CWE identifiers supplied.

References

https://www.rockwellautomation.com/en-us/trust-center/security-advisories/advisory.SD1798.html

ADP enrichment

CISA-ADP

No English description supplied.

No references supplied.