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.
History

Mon, 02 Feb 2026 18:15:00 +0000

Type Values Removed Values Added
First Time appeared Rockwellautomation armorstart Lt Firmware
CPEs cpe:2.3:h:rockwellautomation:armorstart_lt:-:*:*:*:*:*:*:*
cpe:2.3:o:rockwellautomation:armorstart_lt_firmware:*:*:*:*:*:*:*:*
Vendors & Products Rockwellautomation armorstart Lt Firmware
Metrics cvssV3_1

{'score': 7.5, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H'}


Wed, 21 Jan 2026 11:30:00 +0000

Type Values Removed Values Added
First Time appeared Rockwellautomation
Rockwellautomation armorstart Lt
Vendors & Products Rockwellautomation
Rockwellautomation armorstart Lt

Tue, 20 Jan 2026 15:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Tue, 20 Jan 2026 14:00:00 +0000

Type Values Removed Values Added
Description 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.
Title ArmorStart® LT - Multiple Denial-of-Service Vulnerabilities
Weaknesses CWE-400
References
Metrics cvssV4_0

{'score': 8.7, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N'}


cve-icon MITRE

Status: PUBLISHED

Assigner: Rockwell

Published: 2026-01-20T13:54:48.084Z

Updated: 2026-01-20T14:11:53.374Z

Reserved: 2025-08-25T14:53:10.870Z

Link: CVE-2025-9466

cve-icon Vulnrichment

Updated: 2026-01-20T14:11:45.656Z

cve-icon NVD

Status : Analyzed

Published: 2026-01-20T14:16:17.967

Modified: 2026-02-02T18:08:43.503

Link: CVE-2025-9466

cve-icon Redhat

No data.