CVE-2025-9464 HIGH

CVE-2025-9464: Rockwell Automation ArmorStart® LT - Multiple Denial-of-Service Vulnerabilities

Vendor Rockwell Automation
Product ArmorStart® LT
Weakness CWE-400
Published January 20, 2026
Last update January 20, 2026
View on NVD All CVEs

CVSS base score

8.7/10
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:N

What the vulnerability does

01Description

A security issue exists within ArmorStart® LT that can result in a denial-of-service condition. This vulnerability is triggered during fuzzing of multiple CIP classes, which causes the CIP port to become unresponsive.

Key dates

02Disclosure timeline

January 20, 2026 CVE published
January 20, 2026 Record updated