CVE-2025-9283: Rockwell Automation ArmorStart® LT · Uncontrolled Resource Consumption
Affects Rockwell Automation ArmorStart® LTSource CVE Database V5
Not known to be exploited · CVSS 8.7 High.
Data as of 26 Oct 2026, 06:26 UTC
- EPSS
- 0.6% chance of exploitation in 30 days – higher than 48% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:NExploitation evidence
Disclosed: evidence found.
CVE published 20 Jan 2026
Detectable: no evidence on record.
No public nuclei template indexed
Weaponised: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by Mirage: no evidence on record.
No attack traffic recorded by OffSeq Mirage sensors
A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 2026-10-26.
What to do
Affected software
| Product | Affected | Fixed in |
|---|---|---|
| Rockwell AutomationArmorStart® LT | Affected
| Fixed in– |
AI-suggested
1. Monitor Rockwell Automation communications channels for official patches or firmware updates addressing CVE-2025-9283 and apply them promptly once available. 2. Implement strict network segmentation to isolate ArmorStart® LT devices from untrusted or less secure network segments, limiting exposure to potential attackers. 3. Deploy intrusion detection and prevention systems (IDS/IPS) tuned to detect abnormal EtherNet/IP traffic patterns, particularly those resembling the Achilles Step Limits Storms tests. 4. Continuously monitor device logs and network behavior for signs of unexpected reboots or Link State Monitor outages to enable rapid incident response. 5. Restrict access to management interfaces of ArmorStart® LT devices to authorized personnel and trusted network zones only. 6. Conduct regular security assessments and penetration testing focused on industrial control system components to identify and remediate similar resource exhaustion vulnerabilities. 7. Develop and test incident response plans that include scenarios involving denial-of-service conditions in ICS environments to minimize downtime and operational impact.
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.