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Rockwell Automation CompactLogix 5380 ControlLogix 5580 / 1756-EN4TR Communications Module

calendar_today July 30, 2026 person CISA domain cybersecurity-and-infrastructure-security-agency
View CSAF Summary Successful exploitation of this vulnerability could allow an attacker to cause a denial-of-service condition. The following versions of Rockwell Automation CompactLogix 5380 ControlLogix 5580 / 1756-EN4TR Communications Module are affected: ControlLogix 5580 >=V36 CompactLogix 5380 >=V36 GuardLogix 5580 >=V36 Compact GuardLogix 5380 >=V36 1756-EN4TR V6.001 (CVE-2026-9636) 1756-EN4TR V7.001 (CVE-2026-9636) CVSS Vendor Equipment Vulnerabilities v3 5.9 Rockwell Automation Rockwell Automation CompactLogix 5380 ControlLogix 5580 / 1756-EN4TR Communications Module Improper Chec
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