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CVE-2025-9465

ArmorStart® LT - Multiple Denial-of-Service Vulnerabilities

Published: Jan 20, 2026Updated: Feb 2, 2026 Sources: CVE List NVD BDU csafCWE-400
7.5HIGH
NVD MITRE
EPSS Score
0.4%
Top 66.1%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch Available

Description

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.

No summary for this CVE yet.

CVSS Vector Breakdown

AV:NAC:LPR:NUI:NS:UC:NI:NA:H
Exploitability
AV:NAttack Vector
Network
AC:LAttack Complexity
Low
PR:NPrivileges Required
None
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:NConfidentiality
None
I:NIntegrity
None
A:HAvailability
High
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Weaknesses

CWE-400

Affected Products

armorstart lt firmwarerockwellautomationICS / OT / IoT
ArmorStart® LTRockwell AutomationICS / OT / IoT
ArmorStart LTRockwell Automation Inc.ICS / OT / IoT
rockwellautomationcommercialUSICS / OT / IoTaka rockwell automation
rockwell automationcommercialUSICS / OT / IoTaka arena®, arena simulation, armorstart st
rockwell automation inc.commercialUSICS / OT / IoTaka rockwell automation arena, thinmanager, guardlogix 5580

Exploitability

Official Patch Available
No detection template yetWe can run the check for you — a free external exposure review, no install. Check my exposure

Attack Graph

Products CVE Techniques Tactics

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MITRE ATT&CK

1 technique
Impact
View detailed technique mapping

References

https://www.rockwellautomation.com/en-us/trust-center/security-advisories/advisory.SD1768.html
rockwellautomation.com
https://raw.githubusercontent.com/cisagov/CSAF/develop/csaf_files/OT/white/2026/icsa-26-029-02.json
raw.githubusercontent.com
https://www.cisa.gov/news-events/ics-advisories/icsa-26-029-02
cisa.gov
and 21 more references View all →

Timeline

Published
Jan 20, 2026
Last Updated
Feb 2, 2026

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