Denial-of-Service Vulnerability in ArmorStart LT by Rockwell Automation
CVE-2025-9283

8.7HIGH

Key Information:

Vendor

Rockwell Automation
Status
Armorstart® Lt
Vendor
CVE Published:
20 January 2026

What is CVE-2025-9283?

A security issue has been identified within the ArmorStart LT that can lead to a denial-of-service condition. During the execution of specific tests, namely the Achilles EtherNet/IP Step Limits Storms tests, the device may unexpectedly reboot. This unexpected behavior results in downtime, causing the Link State Monitor to be inoperative for several seconds. Such vulnerabilities can significantly impact the reliability and availability of critical operations.

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Affected Version(s)

ArmorStart® LT V2.002 and below

References

https://www.rockwellautomation.com/en-us/trust-center/sec...

CVSS V4

Score:
8.7
Severity:
HIGH
Confidentiality:
None
Integrity:
None
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • Vulnerability published

  • Vulnerability Reserved

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