{"id":"CVE-2026-122118","aliases":["EUVD-2026-117012","GHSA-763v-w5mm-jf4f"],"status":"published","title":"In certain Yealink products before 2026-04-15, when the Wi-Fi AP function is enabled, a default 8...","description":"In certain Yealink products before 2026-04-15, when the Wi-Fi AP function is enabled, a default 8-digit numeric PSK with insufficient strength is used. Attackers can exploit this weakness via brute-force attacks to gain unauthorized network access and intercept Wi-Fi traffic.","severity":{"version":"3.1","score":7.4,"vector":"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-12","score":0.00206,"percentile":0.10706,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-334"],"published":"2026-11-04T17:55:48Z","modified":"2026-11-04T20:19:12Z","products":[{"vendor":"yealink","product":"avhub"},{"vendor":"yealink","product":"meetingbar a10"},{"vendor":"yealink","product":"meetingbar a40"},{"vendor":"yealink","product":"meetingbar a50"},{"vendor":"yealink","product":"meetingborard c"},{"vendor":"yealink","product":"smartvision 80"},{"vendor":"yealink","product":"uvc40 e2"},{"vendor":"yealink","product":"uvc86"}],"references":[{"url":"https://www.yealink.com/en/trust-center/security-bulletins/wifi-ap-weak-password-vulnerability"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-122118"},{"url":"https://github.com/advisories/GHSA-763v-w5mm-jf4f"}],"sources":{"cve":[{"id":"CVE-2026-122118","description":"In certain Yealink products before 2026-04-15, when the Wi-Fi AP function is enabled, a default 8-digit numeric PSK with insufficient strength is used. Attackers can exploit this weakness via brute-force attacks to gain unauthorized network access and intercept Wi-Fi traffic.","status":"published","published":"2026-11-04T17:55:48.068Z","modified":"2026-11-04T20:00:57.515Z","cvss":[{"version":"3.1","score":7.4,"vector":"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N","level":"high","assessor":"cna"}],"cwes":["CWE-334"],"updated_at":"2026-11-04T21:42:22.271694Z"}],"euvd":[{"id":"EUVD-2026-117012","description":"In certain Yealink products before 2026-04-15, when the Wi-Fi AP function is enabled, a default 8-digit numeric PSK with insufficient strength is used. Attackers can exploit this weakness via brute-force attacks to gain unauthorized network access and intercept Wi-Fi traffic.","status":"published","published":"2026-11-04T17:55:48Z","modified":"2026-11-04T20:00:57Z","cvss":[{"version":"3.1","score":7.4,"vector":"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N","level":"high"}],"updated_at":"2026-11-04T21:45:44.368355Z"}],"ghsa":[{"id":"GHSA-763v-w5mm-jf4f","title":"In certain Yealink products before 2026-04-15, when the Wi-Fi AP function is enabled, a default 8...","description":"In certain Yealink products before 2026-04-15, when the Wi-Fi AP function is enabled, a default 8-digit numeric PSK with insufficient strength is used. Attackers can exploit this weakness via brute-force attacks to gain unauthorized network access and intercept Wi-Fi traffic.","status":"published","published":"2026-11-04T18:30:55Z","modified":"2026-11-04T18:32:04Z","cvss":[{"version":"3.1","score":7.4,"vector":"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N","level":"high"}],"cwes":["CWE-334"],"updated_at":"2026-11-04T18:55:44.84967Z"}],"nvd":[{"id":"CVE-2026-122118","description":"In certain Yealink products before 2026-04-15, when the Wi-Fi AP function is enabled, a default 8-digit numeric PSK with insufficient strength is used. Attackers can exploit this weakness via brute-force attacks to gain unauthorized network access and intercept Wi-Fi traffic.","status":"published","published":"2026-11-04T18:17:43.667Z","modified":"2026-11-12T19:11:21.503Z","cvss":[{"version":"3.1","score":7.4,"vector":"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N","level":"high","assessor":"secondary"}],"cwes":["CWE-334"],"updated_at":"2026-11-12T21:32:42.103959Z"}]}}