High severity · published Jan 20, 2026
CVE-2025-9283
A security issue exists within ArmorStart® LT that can result in a denial-of-service condition
7.5
CVSS
0.6%
EPSS
No
On KEV
Description
A security issue exists within ArmorStart® LT that can result in a denial-of-service condition. During execution of the Achilles EtherNet/IP Step Limits Storms tests, the device reboots unexpectedly, causing the Link State Monitor to go down for several seconds.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
None
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.6% · higher than 49% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
AL
Armorstart LT Firmware · Rockwellautomation
through 2.002 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2025-9283
CVE.org
https://www.cve.org/CVERecord?id=CVE-2025-9283
Vendor Advisory
https://www.rockwellautomation.com/en-us/trust-center/security-advisories/advisory.SD1768.html
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CVE-2025-9281
A security issue exists within ArmorStart® LT that can result in a denial-of-service condition