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ICSA-26-029-03  ·  Published 2026-01-29  ·  View on CISA ICS-CERT ↗

Rockwell Automation ControlLogix

CVSS 7.5 HIGH

Risk Summary

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

CVEs (1)

Remediations

  • Rockwell Automation recommends that users upgrade from the 1756-RM2 to 1756-RM3.
  • If users are unable to upgrade to the 1756-RM3, security best practices should be applied.
  • See Rockwell Automation's SD1769 advisory for more information.

Affected Vendors

Rockwell Automation

Affected Products (2)

Rockwell Automation · ControlLogix Redundancy Enhanced Module Catalog 1756-RM2 Firmware vers:all/*
Rockwell Automation · ControlLogix Redundancy Enhanced Module Catalog 1756-RM2XT Firmware vers:all/*

Affected Sectors

Chemical, Energy, Critical Manufacturing, Food and Agriculture, Transportation Systems, Water and Wastewater

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