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CVE-2026-84235

Rockwell Automation 1756-ENBT Denial of Service Vulnerability

Published: Sep 1, 2026Updated: Sep 1, 2026 Sources: CVE List NVDCWE-400
N/ACVSS
NVD MITRE
EPSS Score
0.3%
Top 75.8%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch Available
Self-Check
OpenVAS

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.

No summary for this CVE yet.

Weaknesses

CWE-400

Affected Products

Rockwell Automation
commercial·USaka arena simulation, arena®, armorstart st
1756-ENBT ModuleOn-prem
ICS / OT / IoT / plc-scada-hmi

Exploitability

Official Patch Available
Is your org exposed to CVE-2026-84235?Request an assessment to establish which checks are appropriate for your systems. Check my exposure

Attack Graph

Products CVE Techniques Tactics

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MITRE ATT&CK

1 technique
Impact
View detailed technique mapping

References

https://www.rockwellautomation.com/en-us/trust-center/security-advisories/advisory.SD1798.html
rockwellautomation.com
News mentions
1

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