CVE-2025-12011 CRITICAL

CVE-2025-12011: CompactLogix ®, ControlLogix ®, Compact GuardLogix ® and GuardLogix ® Buffer Overflow

Vendor Rockwell Automation
Product CompactLogix® 5370 Compact GuardLogix® 5370 ControlLogix® 5570 GuardLogix® 5570
Weakness CWE-120
Published July 14, 2026
Last update July 14, 2026

CVSS base score

9.2/10
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Confidentiality
Integrity

CVSS 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:H

What the vulnerability does

01Description

A denial-of-service issue exists in  5370/5570 controllers. This vulnerability could potentially allow a remote user to load an invalid project, causing the device to enter a major non-recoverable fault (MNRF).

Key dates

02Disclosure timeline

July 14, 2026 CVE published
July 14, 2026 Record updated