CompactLogix® 5380 Recovery Image Compact GuardLogix® 5380 Recovery Image CompactLogix® 5480 Recovery Image ControlLogix® 5580 Recovery Image GuardLogix® 5580 Recovery Image vulnerability

A denial-of-service issue exists in 5380/5480/5580 controllers boot firmware lower than version 1.072. This vulnerability could potentially allow a malicious user to write invalid file data to the controller, causing the device to enter a major non-recoverable fault (MNRF).

Published 14 Jul 2026Updated 29 Sep 20261 sources
CVSS 9.2

What happened

A denial-of-service issue exists in 5380/5480/5580 controllers boot firmware lower than version 1.072. This vulnerability could potentially allow a malicious user to write invalid file data to the controller, causing the device to enter a major non-recoverable fault (MNRF).

Affected versions

CompactLogix® 5380 Recovery Image Compact GuardLogix® 5380 Recovery Image CompactLogix® 5480 Recovery Image ControlLogix® 5580 Recovery Image GuardLogix® 5580 Recovery Image: Boot firmware versions before 1.072 Fixed: See vendor advisory.

Why it matters

Review the vendor advisory and exposure of the affected product to determine operational impact.

Detection & mitigation

  • Apply vendor-provided updates or mitigations.
  • Review affected product exposure and access logs.

Public PoC references

No public PoC reference has passed the current publication threshold.