{"id":"CVE-2026-39453","revision":"43d3eb32b7b84ccb8e0f5c0274a8d47a","records":[{"revision":"43d3eb32b7b84ccb8e0f5c0274a8d47a","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2026-39453","aliases":[],"title":"Red Lion Controls N-Tron 700 Series Reachable Assertion","description":"Navigating to a certain URL on the switch’s web server causes the switch to reboot. This can be automated using a tool like curl to create DoS conditions where the switch constantly reboots.","state":0,"publishedAt":"2026-10-09T14:42:18.998+00:00","modifiedAt":"2026-10-11T17:05:28.474+00:00","affected":[{"ecosystem":"Vendor product","name":"700 Series","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"vendor\": \"Red Lion Controls\",\n                    \"product\": \"700 Series\",\n                    \"versions\": [\n                        {\n                            \"status\": \"affected\",\n                            \"version\": \"0\",\n                            \"lessThan\": \"Firmware Versions 3.11.0\",\n                            \"versionType\": \"custom\"\n                        },\n                        {\n                            \"status\": \"affected\",\n                            \"version\": \"0\",\n                            \"lessThan\": \"Bootloader Versions 2.0.6.1\",\n                            \"versionType\": \"custom\"\n                        },\n                        {\n                            \"status\": \"unaffected\",\n                            \"version\": \"3.11.1\"\n                        }\n                    ],\n                    \"defaultStatus\": \"unaffected\"\n                }"}],"metrics":[{"system":"CVSS 3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:H/A:H","score":8.3,"severity":"HIGH"},{"system":"CVSS 4.0","vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:H/VA:H/SC:L/SI:H/SA:H","score":8.5,"severity":"HIGH"}],"references":["https://www.hms-networks.com/","https://www.hms-networks.com/cybersecurity","https://www.cisa.gov/news-events/ics-advisories/icsa-26-281-01","https://github.com/cisagov/CSAF/blob/develop/csaf_files/OT/white/2026/icsa-26-281-01.json"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-39453","license":"CVE Program Terms of Use","key":"cve-program:CVE-2026-39453","identifiers":["CVE-2026-39453"]},"retained":false,"historicalAffected":[]}],"coverage":[]}