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

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Source

CISA_ICS

Published

7-30-2026

CVE IDs

CVE-2026-9636

Affected Products

GuardLogix 5580, ControlLogix 5580, 1756-EN4TR, Compact GuardLogix 5380, CompactLogix 5380

Summary

Successful exploitation of this vulnerability could allow an attacker to cause a denial-of-service condition.

References

https://www.cisa.gov/news-events/ics-advisories/icsa-26-211-05https://cwe.mitre.org/data/definitions/299.htmlhttps://www.cve.org/CVERecord?id=CVE-2026-9636