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, 10:12 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 26 Oct 2026.
What to do
Affected software
| Product | Affected | Fixed in |
|---|---|---|
| Rockwell AutomationArmorStart® LT | Affected
| Fixed in– |
AI-suggested
- Monitor Rockwell Automation communications channels for official patches or firmware updates addressing CVE-2025-9283 and apply them promptly once available.
- Implement strict network segmentation to isolate ArmorStart® LT devices from untrusted or less secure network segments, limiting exposure to potential attackers.
- 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.
- Continuously monitor device logs and network behavior for signs of unexpected reboots or Link State Monitor outages to enable rapid incident response.
- Restrict access to management interfaces of ArmorStart® LT devices to authorized personnel and trusted network zones only.
- Conduct regular security assessments and penetration testing focused on industrial control system components to identify and remediate similar resource exhaustion vulnerabilities.
- 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.