A denial-of-service security issue exists in the affected Logix platforms listed in the table above. The security issue stems from improper validation of input length during CIP message processing. This can result in a major nonrecoverable fault (MNRF), requiring a power cycle to recover

Attack Vector Network

Attack Complexity Low

Privileges Required None

Attack Requirements None

User Interaction None

Vulnerable System Confidentiality Impact None

Vulnerable System Integrity Impact None

Vulnerable System Availability Impact High

Subsequent System Confidentiality Impact None

Subsequent System Integrity Impact None

Subsequent System Availability Impact None

No CVSS v3.1

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

No EPSS score available.

Key SSVC decision points have not yet been added.

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions
Rockwell Automation CompactLogix® 5380 / ControlLogix® 5580 unaffected
Version Status Constraints
V33 and prior, V34.011-V34.014, V35.011-V35.013, V36.011-V36.012 affected —

No data.

No data.

No data.

Project Subscriptions

Vendors Products
Rockwell Automation Subscribe
Compactlogix 5380 Controllogix 5580 Subscribe
Advisories

No advisories yet.

Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

References
Link Providers
https://www.rockwellautomation.com/en-us/trust-center/security-advisories/advisory.SD1792.html cve-icon
History

Tue, 01 Sep 2026 13:45:00 +0000

Type Values Removed Values Added
Description A denial-of-service security issue exists in the affected Logix platforms listed in the table above. The security issue stems from improper validation of input length during CIP message processing. This can result in a major nonrecoverable fault (MNRF), requiring a power cycle to recover
Title CompactLogix® 5380 / ControlLogix® 5580 - Multiple Vulnerabilities
First Time appeared Rockwell Automation
Rockwell Automation compactlogix 5380 Controllogix 5580
Weaknesses CWE-119
CPEs cpe:2.3:a:rockwell_automation:compactlogix_5380_controllogix_5580:v33_and_prior_v34.011-v34.014_v35.011-v35.013_v36.011-v36.012:*:*:*:*:*:*:*
Vendors & Products Rockwell Automation
Rockwell Automation compactlogix 5380 Controllogix 5580
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'}

Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: Rockwell

Published:

Updated: 2026-09-01T13:28:26.239Z

Reserved: 2026-05-26T18:11:06.053Z

Link: CVE-2026-9637

cve-icon Vulnrichment

No data.

cve-icon NVD

No data.

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.

Weaknesses