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.
Published: 2026-09-01
Score: 8.7 High
EPSS: n/a
KEV: No
Impact: n/a
Action: n/a
AI Analysis

Analysis and contextual insights are available on OpenCVE Cloud.

Remediation

Vendor Solution

Upgrade to 1756-EN2T or 1756-EN4TR

Tracking

Sign in to view the affected projects.

Advisories

No advisories yet.

History

Wed, 02 Sep 2026 04:45:00 +0000

Type Values Removed Values Added
Weaknesses CWE-20

Tue, 01 Sep 2026 22:00:00 +0000

Type Values Removed Values Added
Weaknesses CWE-20
CWE-400
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Tue, 01 Sep 2026 13:15:00 +0000

Type Values Removed Values Added
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.
Title Rockwell Automation 1756-ENBT Denial of Service Vulnerability
First Time appeared Rockwell Automation
Rockwell Automation 1756-enbt Module
CPEs cpe:2.3:a:rockwell_automation:1756-enbt_module:all_versions:*:*:*:*:*:*:*
Vendors & Products Rockwell Automation
Rockwell Automation 1756-enbt Module
References
Metrics cvssV4_0

{'score': 8.7, 'vector': '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'}


Subscriptions

Rockwell Automation 1756-enbt Module
cve-icon MITRE

Status: PUBLISHED

Assigner: Rockwell

Published:

Updated: 2026-09-01T15:41:57.774Z

Reserved: 2026-09-01T12:56:28.970Z

Link: CVE-2026-84235

cve-icon Vulnrichment

Updated: 2026-09-01T15:41:54.631Z

cve-icon NVD

Status : Awaiting Analysis

Published: 2026-09-01T13:20:09.563

Modified: 2026-09-01T20:50:01.960

Link: CVE-2026-84235

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-09-02T05:30:08Z

Weaknesses