CVE-2025-9465 HIGH

CVE-2025-9465: 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

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. During execution of the Achilles Comprehensive grammar tests, the device reboots unexpectedly, causing the Link State Monitor to go down for several seconds.

Key dates

02Disclosure timeline

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