CVE-2025-11694 PUBLISHED

Rockwell Automation CompactLogix 5370 Controllers – Multiple Vulnerabilities

Assigner: Rockwell
Reserved: 13.10.2025 Published: 16.06.2026 Updated: 16.06.2026

A security issue exists within 1769 CompactLogix controllers due to the missing validation of sequence numbers and source IP addresses in the CIP protocol. This allows attacker to abuse the exposed Connection ID’s visible on the web interface to perform denial-of-service attacks, resulting in a minor fault.

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:N
CVSS Score: 8.7

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	None
Privileges Required	None
User Interaction	None

CVSS 4.0

Product Status

Vendor	Rockwell Automation
Product	CompactLogix 5370
Versions	Default: unaffected Version V36 is affected

Solutions

V38.011 https://compatibility.rockwellautomation.com/Pages/MultiProductFindDownloads.aspx

References

https://www.rockwellautomation.com/en-us/trust-center/security-advisories/advisory.SD1776.html

Problem Types

CWE-354 Improper validation of integrity check value CWE