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CVE-2026-84235

Rockwell Automation 1756-ENBT Denial of Service Vulnerability

HIGH
8.7
CVSS Score
Published: September 1, 2026 at 01:07 PM UTC
Updated: September 1, 2026 at 09:01 PM UTC
1 product affected across 1 vendor1756-ENBT

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Severity
HIGH8.7
Exploit prediction
EPSS 0.4%
SSVC
No known exploit

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

References (1)

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

SSVC — Action Prioritization

SSVCNo known exploitAutomatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

8.7HIGHRockwell
Vector?

Quick Info

StatusAWAITING ANALYSIS
CWE
CWE-400

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