{"id":"CVE-2026-33272","aliases":["EUVD-2026-95815","GHSA-c3q8-wxh6-699q"],"status":"published","title":"Red Lion Controls N-Tron 700 Series Authentication Bypass Using an Alternate Path or Channel","description":"A malicious user with physical access to the device can boot the switch from factory settings without authentication, use the default administrative credentials to obtain administrative access, and save changes to the configuration file so that they persist next time the switch boots normally.","severity":{"version":"4.0","score":6.8,"vector":"CVSS:4.0/AV:P/AC:L/AT:N/PR:L/UI:N/VC:L/VI:H/VA:N/SC:L/SI:H/SA:N","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-09","score":0.0015,"percentile":0.04213,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-288"],"published":"2026-10-09T14:44:26Z","modified":"2026-10-11T17:17:04Z","products":[{"vendor":"red lion controls","product":"700 series"},{"vendor":"silicon labs","product":"700 series"}],"references":[{"url":"https://www.hms-networks.com/"},{"url":"https://www.hms-networks.com/cybersecurity"},{"url":"https://www.cisa.gov/news-events/ics-advisories/icsa-26-281-01"},{"url":"https://github.com/cisagov/CSAF/blob/develop/csaf_files/OT/white/2026/icsa-26-281-01.json"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-33272"},{"url":"https://www.hms-networks.com"},{"url":"https://github.com/advisories/GHSA-c3q8-wxh6-699q"}],"sources":{"cve":[{"id":"CVE-2026-33272","title":"Red Lion Controls N-Tron 700 Series Authentication Bypass Using an Alternate Path or Channel","description":"A malicious user with physical access to the device can boot the switch from factory settings without authentication, use the default administrative credentials to obtain administrative access, and save changes to the configuration file so that they persist next time the switch boots normally.","status":"published","published":"2026-10-09T14:44:26.429Z","modified":"2026-10-11T17:05:28.353Z","cvss":[{"version":"4.0","score":6.8,"vector":"CVSS:4.0/AV:P/AC:L/AT:N/PR:L/UI:N/VC:L/VI:H/VA:N/SC:L/SI:H/SA:N","level":"medium","assessor":"cna"},{"version":"3.1","score":4.9,"vector":"CVSS:3.1/AV:P/AC:L/PR:L/UI:N/S:U/C:L/I:H/A:N","level":"medium","assessor":"cna"}],"cwes":["CWE-288"],"updated_at":"2026-11-02T14:20:07.609948Z"}],"euvd":[{"id":"EUVD-2026-95815","description":"A malicious user with physical access to the device can boot the switch from factory settings without authentication, use the default administrative credentials to obtain administrative access, and save changes to the configuration file so that they persist next time the switch boots normally.","status":"published","published":"2026-10-09T14:44:26Z","modified":"2026-10-11T17:05:28Z","cvss":[{"version":"4.0","score":6.8,"vector":"CVSS:4.0/AV:P/AC:L/AT:N/PR:L/UI:N/VC:L/VI:H/VA:N/SC:L/SI:H/SA:N","level":"medium"}],"updated_at":"2026-11-02T17:27:22.074542Z"}],"ghsa":[{"id":"GHSA-c3q8-wxh6-699q","title":"A malicious user with physical access to the device can boot the switch from factory settings...","description":"A malicious user with physical access to the device can boot the switch from factory settings without authentication, use the default administrative credentials to obtain administrative access, and save changes to the configuration file so that they persist next time the switch boots normally.","status":"published","published":"2026-10-09T15:31:35Z","modified":"2026-10-09T15:31:35Z","cvss":[{"version":"4.0","score":6.8,"vector":"CVSS:4.0/AV:P/AC:L/AT:N/PR:L/UI:N/VC:L/VI:H/VA:N/SC:L/SI:H/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":"medium"},{"version":"3.1","score":4.9,"vector":"CVSS:3.1/AV:P/AC:L/PR:L/UI:N/S:U/C:L/I:H/A:N","level":"medium"}],"cwes":["CWE-288"],"updated_at":"2026-11-02T15:13:00.589729Z"}],"nvd":[{"id":"CVE-2026-33272","description":"A malicious user with physical access to the device can boot the switch from factory settings without authentication, use the default administrative credentials to obtain administrative access, and save changes to the configuration file so that they persist next time the switch boots normally.","status":"published","published":"2026-10-09T15:17:14.173Z","modified":"2026-10-11T17:17:04.61Z","cvss":[{"version":"4.0","score":6.8,"vector":"CVSS:4.0/AV:P/AC:L/AT:N/PR:L/UI:N/VC:L/VI:H/VA:N/SC:L/SI:H/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":"medium","assessor":"secondary"},{"version":"3.1","score":4.9,"vector":"CVSS:3.1/AV:P/AC:L/PR:L/UI:N/S:U/C:L/I:H/A:N","level":"medium","assessor":"secondary"}],"cwes":["CWE-288"],"updated_at":"2026-11-02T14:12:55.473789Z"}]}}
