Vulnerability · Published Jan 20, 2026 · Assigned by Rockwell
CVE-2025-9278ArmorStart® LT - Multiple Denial-of-Service Vulnerabilities
High 8.7
In plain English
A high-severity uncontrolled resource consumption in ArmorStart® LT from Rockwell Automation. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.5% (higher than 42% of all known vulnerabilities).
Severity (CVSS 4.0)8.7High
Exploit odds (30 days)0.5%top 57.6% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
A security issue exists within ArmorStart® LT that can result in a denial-of-service condition. After running a Burp Suite active scan, the device loses ICMP connectivity, causing the web application to become inaccessible.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Rockwell Automation | ArmorStart® LT | V2.002 and below |
Weakness: CWE-400 · 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