{"id":"CVE-2026-27846","aliases":["EUVD-2026-8648","GHSA-6j93-38rf-cf9g"],"status":"published","title":"Missing authentication in Linksys MR9600, Linksys MX4200","description":"Due to missing authentication, a user with physical access to the device can misuse the mesh functionality for adding a new mesh device to the network \nto gain access to sensitive information, including the password for admin access to the web interface and the Wi-Fi passwords.This issue affects MR9600: 1.0.4.205530; MX4200: 1.0.13.210200.","severity":{"version":"3.1","score":6.2,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"medium","assessor":"adp","from":"cve"},"epss":{"day":"2026-11-11","score":0.00157,"percentile":0.04921,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-306"],"published":"2026-02-25T15:03:58Z","modified":"2026-06-17T10:27:46Z","products":[{"vendor":"linksys","product":"mr9600"},{"vendor":"linksys","product":"mx4200"}],"references":[{"url":"https://www.syss.de/fileadmin/dokumente/Publikationen/Advisories/SYSS-2025-002.txt","tags":["third-party-advisory","technical-description"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-27846"},{"url":"https://github.com/advisories/GHSA-6j93-38rf-cf9g"}],"sources":{"cve":[{"id":"CVE-2026-27846","title":"Missing authentication in Linksys MR9600, Linksys MX4200","description":"Due to missing authentication, a user with physical access to the device can misuse the mesh functionality for adding a new mesh device to the network \nto gain access to sensitive information, including the password for admin access to the web interface and the Wi-Fi passwords.This issue affects MR9600: 1.0.4.205530; MX4200: 1.0.13.210200.","status":"published","published":"2026-02-25T15:03:58.616Z","modified":"2026-02-25T18:36:03.925Z","cvss":[{"version":"3.1","score":6.2,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"medium","assessor":"adp"}],"cwes":["CWE-306"],"updated_at":"2026-11-02T14:19:48.826324Z"}],"euvd":[{"id":"EUVD-2026-8648","description":"Due to missing authentication, a user with physical access to the device can misuse the mesh functionality for adding a new mesh device to the network \nto gain access to sensitive information, including the password for admin access to the web interface and the Wi-Fi passwords.This issue affects MR9600: 1.0.4.205530; MX4200: 1.0.13.210200.","status":"published","published":"2026-02-25T15:03:58Z","modified":"2026-02-25T18:36:03Z","cvss":[{"version":"3.1","score":6.2,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"medium"}],"updated_at":"2026-11-02T19:48:28.530473Z"}],"ghsa":[{"id":"GHSA-6j93-38rf-cf9g","title":"Due to missing authentication, a user with physical access to the device can misuse the mesh...","description":"Due to missing authentication, a user with physical access to the device can misuse the mesh functionality for adding a new mesh device to the network \nto gain access to sensitive information, including the password for admin access to the web interface and the Wi-Fi passwords.This issue affects MR9600: 1.0.4.205530; MX4200: 1.0.13.210200.","status":"published","published":"2026-02-25T18:31:37Z","modified":"2026-02-25T21:32:26Z","cvss":[{"version":"3.1","score":6.2,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"medium"}],"cwes":["CWE-306"],"updated_at":"2026-11-02T15:06:22.774985Z"}],"nvd":[{"id":"CVE-2026-27846","description":"Due to missing authentication, a user with physical access to the device can misuse the mesh functionality for adding a new mesh device to the network \nto gain access to sensitive information, including the password for admin access to the web interface and the Wi-Fi passwords.This issue affects MR9600: 1.0.4.205530; MX4200: 1.0.13.210200.","status":"published","published":"2026-02-25T16:23:28.71Z","modified":"2026-06-17T10:27:46.95Z","cvss":[{"version":"3.1","score":6.2,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"medium","assessor":"secondary"}],"cwes":["CWE-306"],"updated_at":"2026-11-02T14:12:07.027269Z"}]}}