CVE-2025-12011 PUBLISHED

CompactLogix ®, ControlLogix ®, Compact GuardLogix ® and GuardLogix ® Buffer Overflow

Assigner: Rockwell
Reserved: 21.10.2025 Published: 14.07.2026 Updated: 14.07.2026

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).

Metrics

CVSS 4.0

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
CVSS Score: 9.2

Exploitability Metrics		Vulnerable System Impact Metrics		Subsequent System Impact Metrics
Attack Vector	Network	Confidentiality	None	Confidentiality	None
Attack Complexity	Low	Integrity	None	Integrity	None
Attack Requirements	None	Availability	High	Availability	High
Privileges Required	None
User Interaction	None

CVSS 4.0

Product Status

Vendor	Rockwell Automation
Product	CompactLogix® 5370 Compact GuardLogix® 5370 ControlLogix® 5570 GuardLogix® 5570
Versions	Default: unaffected Version 35.015 and earlier is affected

References

https://www.rockwellautomation.com/en-us/trust-center/security-advisories/advisory.SD1781.html

Problem Types

CWE-120: Buffer Copy without Checking Size of Input ('Classic Buffer Overflow') CWE