{"id":"CVE-2026-78239","aliases":["EUVD-2026-67293","GHSA-38f6-3gv7-32xr"],"status":"published","title":"Xiiaozet LK100W Missing Authentication for Critical Function","description":"Xiiaozet LK100W exposes a critical management function that can be \ninvoked without authentication, allowing a remote attacker to enable \nadministrative services that should be restricted. Successful \nexploitation may permit unauthorized access to the device.","severity":{"version":"4.0","score":9.3,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N","level":"critical","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-09","score":0.00766,"percentile":0.55741,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-306"],"published":"2026-08-27T21:48:30Z","modified":"2026-08-31T19:18:40Z","products":[{"vendor":"xiiaozet","product":"xiiaozet lk100w"}],"references":[{"url":"https://www.cisa.gov/news-events/ics-advisories/icsa-26-239-01"},{"url":"https://github.com/cisagov/CSAF/blob/develop/csaf_files/OT/white/2026/icsa-26-239-01.json"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-78239"},{"url":"https://github.com/advisories/GHSA-38f6-3gv7-32xr"}],"sources":{"cve":[{"id":"CVE-2026-78239","title":"Xiiaozet LK100W Missing Authentication for Critical Function","description":"Xiiaozet LK100W exposes a critical management function that can be \ninvoked without authentication, allowing a remote attacker to enable \nadministrative services that should be restricted. Successful \nexploitation may permit unauthorized access to the device.","status":"published","published":"2026-08-27T21:48:30.879Z","modified":"2026-08-28T14:13:51.112Z","cvss":[{"version":"4.0","score":9.3,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N","level":"critical","assessor":"cna"},{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"cna"}],"cwes":["CWE-306"],"updated_at":"2026-11-02T13:34:59.78118Z"}],"euvd":[{"id":"EUVD-2026-67293","description":"Xiiaozet LK100W exposes a critical management function that can be \ninvoked without authentication, allowing a remote attacker to enable \nadministrative services that should be restricted. Successful \nexploitation may permit unauthorized access to the device.","status":"published","published":"2026-08-27T21:48:30Z","modified":"2026-08-28T14:13:51Z","cvss":[{"version":"4.0","score":9.3,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N","level":"critical"}],"updated_at":"2026-11-02T18:01:23.608347Z"}],"ghsa":[{"id":"GHSA-38f6-3gv7-32xr","title":"Xiiaozet LK100W exposes a critical management function that can be \ninvoked without...","description":"Xiiaozet LK100W exposes a critical management function that can be \ninvoked without authentication, allowing a remote attacker to enable \nadministrative services that should be restricted. Successful \nexploitation may permit unauthorized access to the device.","status":"published","published":"2026-08-28T00:32:04Z","modified":"2026-08-28T00:32:11Z","cvss":[{"version":"4.0","score":9.3,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/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":"critical"},{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical"}],"cwes":["CWE-306"],"updated_at":"2026-11-02T15:11:06.356167Z"}],"nvd":[{"id":"CVE-2026-78239","description":"Xiiaozet LK100W exposes a critical management function that can be \ninvoked without authentication, allowing a remote attacker to enable \nadministrative services that should be restricted. Successful \nexploitation may permit unauthorized access to the device.","status":"published","published":"2026-08-28T00:18:16.197Z","modified":"2026-08-31T19:18:40.503Z","cvss":[{"version":"4.0","score":9.3,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/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":"critical","assessor":"secondary"},{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"secondary"}],"cwes":["CWE-306"],"updated_at":"2026-11-02T14:12:42.035353Z"}]}}