CVE-2025-9466: ArmorStart® LT - Multiple Denial-of-Service Vulnerabilities
Published Jan 20, 2026
·Updated
A security issue exists within ArmorStart® LT that can result in a denial-of-service condition. During execution of the Achilles EtherNet/IP and CIP grammar tests, the device reboots unexpectedly, causing the Link State Monitor to go down for several seconds.
Affected Software
3 affected components
ArmorStart ArmorStart LT
All of the following
rockwellautomation Armorstart Lt Firmware<=2.002
rockwellautomation Armorstart Lt
Event History
Jan 20, 2026
CVE Published
via MITRE·01:54 PM
Data Sourced
via MITRE·01:54 PM
DescriptionWeakness
Data Sourced
via NVD·02:16 PM
DescriptionSeverityWeaknessAffected Software
Frequently Asked Questions
1
What is the severity of CVE-2025-9466?
The severity of CVE-2025-9466 is classified as a Denial-of-Service vulnerability.
2
How do I fix CVE-2025-9466?
To mitigate CVE-2025-9466, ensure you apply the latest firmware updates provided by ArmorStart.
3
What systems are affected by CVE-2025-9466?
CVE-2025-9466 specifically affects the ArmorStart LT device.
4
What are the potential impacts of CVE-2025-9466?
The potential impact of CVE-2025-9466 is an unexpected reboot of the device, leading to network disruptions.
5
Is CVE-2025-9466 being actively exploited?
As of the latest information, there are no known active exploits for CVE-2025-9466.