{"id":"CVE-2026-76945","aliases":["EUVD-2026-67289","GHSA-5733-jr78-jp2w"],"status":"published","title":"Ebyte NE2-D11 Use of Client-Side Authentication","description":"The affected Ebyte device relies on client-managed authentication tokens\n without sufficient server-side validation. An attacker may replay or \nmanipulate authentication tokens to gain unauthorized access to \nadministrative functionality.","severity":{"version":"4.0","score":8.7,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-10","score":0.00504,"percentile":0.43418,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-603"],"published":"2026-08-27T21:35:38Z","modified":"2026-10-05T19:29:57Z","products":[{"vendor":"ebyte","product":"ebyte ne2-d11 firmware"}],"references":[{"url":"https://www.cisa.gov/news-events/ics-advisories/icsa-26-237-06"},{"url":"https://github.com/cisagov/CSAF/blob/develop/csaf_files/OT/white/2026/icsa-26-237-06.json"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-76945"},{"url":"https://github.com/advisories/GHSA-5733-jr78-jp2w"}],"sources":{"cve":[{"id":"CVE-2026-76945","title":"Ebyte NE2-D11 Use of Client-Side Authentication","description":"The affected Ebyte device relies on client-managed authentication tokens\n without sufficient server-side validation. An attacker may replay or \nmanipulate authentication tokens to gain unauthorized access to \nadministrative functionality.","status":"published","published":"2026-08-27T21:35:38.06Z","modified":"2026-10-05T19:29:57.57Z","cvss":[{"version":"4.0","score":8.7,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N","level":"high","assessor":"cna"},{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"high","assessor":"cna"}],"cwes":["CWE-603"],"updated_at":"2026-11-02T13:46:21.568011Z"}],"euvd":[{"id":"EUVD-2026-67289","description":"The affected Ebyte device relies on client-managed authentication tokens\n without sufficient server-side validation. An attacker may replay or \nmanipulate authentication tokens to gain unauthorized access to \nadministrative functionality.","status":"published","published":"2026-08-27T21:35:38Z","modified":"2026-10-05T19:29:57Z","cvss":[{"version":"4.0","score":8.7,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N","level":"high"}],"updated_at":"2026-11-02T17:27:39.05741Z"}],"ghsa":[{"id":"GHSA-5733-jr78-jp2w","title":"The affected Ebyte device relies on client-managed authentication tokens\n without sufficient...","description":"The affected Ebyte device relies on client-managed authentication tokens\n without sufficient server-side validation. An attacker may replay or \nmanipulate authentication tokens to gain unauthorized access to \nadministrative functionality.","status":"published","published":"2026-08-28T00:32:04Z","modified":"2026-08-28T00:32:11Z","cvss":[{"version":"4.0","score":8.7,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/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:H/I:N/A:N","level":"high"}],"cwes":["CWE-603"],"updated_at":"2026-11-02T15:11:06.356167Z"}],"nvd":[{"id":"CVE-2026-76945","description":"The affected Ebyte device relies on client-managed authentication tokens\n without sufficient server-side validation. An attacker may replay or \nmanipulate authentication tokens to gain unauthorized access to \nadministrative functionality.","status":"published","published":"2026-08-28T00:18:15.487Z","modified":"2026-08-31T19:18:40.503Z","cvss":[{"version":"4.0","score":8.7,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/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:H/I:N/A:N","level":"high","assessor":"secondary"}],"cwes":["CWE-603"],"updated_at":"2026-11-02T14:12:42.035353Z"}]}}