CVE-2025-9464: Rockwell Automation 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. This vulnerability is triggered during fuzzing of multiple CIP classes, which causes the CIP port to become unresponsive.

Affected Software

3 affected components
Rockwell Automation ArmorStart LT
All of the following
rockwellautomation Armorstart Lt Firmware<=2.002
rockwellautomation Armorstart Lt

Event History

Jan 20, 2026
CVE Published
via MITRE·01:49 PM
Data Sourced
via MITRE·01:49 PM
DescriptionWeakness
Data Sourced
via NVD·02:16 PM
DescriptionSeverityWeaknessAffected Software
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Frequently Asked Questions

1

What is the severity of CVE-2025-9464?

CVE-2025-9464 has been classified as a high-severity vulnerability due to its potential to cause denial-of-service conditions.

2

How do I fix CVE-2025-9464?

To fix CVE-2025-9464, updating to the latest firmware version provided by Rockwell Automation is recommended.

3

What software is affected by CVE-2025-9464?

CVE-2025-9464 affects the Rockwell Automation ArmorStart® LT product.

4

How does CVE-2025-9464 trigger a denial-of-service?

CVE-2025-9464 triggers a denial-of-service condition during fuzzing of multiple CIP classes, making the CIP port unresponsive.

5

Are there any workarounds for CVE-2025-9464?

Currently, the primary mitigation for CVE-2025-9464 is to apply the firmware updates from Rockwell Automation.

Contact

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