CVE-2026-9637

CompactLogix® 5380 / ControlLogix® 5580 - Multiple Vulnerabilities

Published Sep 1, 2026 CVSS 4.0 · 8.7 High EPSS < 1% KEV · Not listed
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

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
Metrics ssvc

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

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'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
Rockwell
Published
Updated
Sep 1, 2026, 3:44 PM
Reserved
May 26, 2026, 6:11 PM
Status
Awaiting Analysis
Published
Sep 1, 2026, 2:17 PM
Modified
Sep 1, 2026, 8:50 PM