CVE-2025-9464

High

Description

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.

SeverityHigh
CVSS7.5
Exploit probability—
ProductRockwellautomation Armorstart Lt Firmware
PublishedJan 20, 2026
First seenJan 20, 2026

How to fix

Sources list no fixed version or patch link for this vulnerability.

Affected products

ProductAffected versionsFixed in
rockwellautomation armorstart_lt_firmwarev ≤ 2.002—

Check your version

Choose the product and enter the version you run to see whether it falls in the affected range.

In the Intelligence 360 plan

Attack Surface Management

See the assets tied to your domains, the technologies they run and known vulnerabilities in one list.

CVE-2025-9464 · Rockwellautomation Armorstart Lt Firmware · Dark Radar