{"id":"CVE-2025-9283","aliases":["EUVD-2026-3427","GHSA-j364-372c-2jc7"],"status":"published","title":"ArmorStart® LT - Multiple Denial-of-Service Vulnerabilities","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.","severity":{"version":"4.0","score":8.7,"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","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-09","score":0.00611,"percentile":0.49527,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-400"],"published":"2026-01-20T13:59:56Z","modified":"2026-06-17T10:08:40Z","products":[{"vendor":"rockwell automation","product":"armorstart® lt"},{"vendor":"rockwellautomation","product":"armorstart_lt_firmware"}],"references":[{"url":"https://www.rockwellautomation.com/en-us/trust-center/security-advisories/advisory.SD1768.html","tags":["Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2025-9283"},{"url":"https://github.com/advisories/GHSA-j364-372c-2jc7"}],"sources":{"cve":[{"id":"CVE-2025-9283","title":"ArmorStart® LT - Multiple Denial-of-Service Vulnerabilities","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.","status":"published","published":"2026-01-20T13:59:56.732Z","modified":"2026-01-20T16:37:50.655Z","cvss":[{"version":"4.0","score":8.7,"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","level":"high","assessor":"cna"}],"cwes":["CWE-400"],"updated_at":"2026-11-02T14:32:33.755525Z"}],"euvd":[{"id":"EUVD-2026-3427","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.","status":"published","published":"2026-01-20T13:59:56Z","modified":"2026-01-20T16:37:50Z","cvss":[{"version":"4.0","score":8.7,"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","level":"high"}],"updated_at":"2026-11-02T19:48:49.964072Z"}],"ghsa":[{"id":"GHSA-j364-372c-2jc7","title":"A security issue exists within ArmorStart® LT that can result in a denial-of-service condition....","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.","status":"published","published":"2026-01-20T15:33:13Z","modified":"2026-02-02T18:31:32Z","cvss":[{"version":"4.0","score":8.7,"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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","level":"high"},{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"}],"cwes":["CWE-400"],"updated_at":"2026-11-02T15:06:00.246323Z"}],"nvd":[{"id":"CVE-2025-9283","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.","status":"published","published":"2026-01-20T14:16:13.697Z","modified":"2026-06-17T10:08:40.47Z","cvss":[{"version":"4.0","score":8.7,"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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","level":"high","assessor":"secondary"},{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high","assessor":"primary"}],"cwes":["CWE-400"],"updated_at":"2026-11-02T14:11:57.915063Z"}]}}