CVE-2025-9464: high-severity vulnerability in Rockwell Automation ArmorStart® LT
Rockwell Automation ArmorStart® LT - Multiple Denial-of-Service Vulnerabilities
Published
E-mail alert when it lands in KEV, gets a public PoC or its score goes up.
21Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackcvss 8.7epss 0.4%
A security issue exists within ArmorStart® LT that can result in a denial-of-service condition. This vulnerability is triggered during fuzzing of multiple CIP classes, which causes the CIP port to become unresponsive.
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
Affected products
Rockwell Automation · ArmorStart® LTRelated CVEs — Rockwell Automation ArmorStart® LT
In the same product, most dangerous first.
CVE-2025-9466HIGHArmorStart® LT - Multiple Denial-of-Service VulnerabilitiesEPSS 0.6%CVE-2025-9283HIGHArmorStart® LT - Multiple Denial-of-Service VulnerabilitiesEPSS 0.6%CVE-2025-9282HIGHArmorStart® LT - Multiple Denial-of-Service VulnerabilitiesEPSS 0.6%CVE-2025-9281HIGHArmorStart® LT - Multiple Denial-of-Service VulnerabilitiesEPSS 0.6%CVE-2025-9279HIGHArmorStart® LT - Multiple Denial-of-Service VulnerabilitiesEPSS 0.6%CVE-2026-19472HIGHRockwell Automation ArmorStart® LT Denial Of ServiceEPSS 0.5%