{"id":"CVE-2026-122118","state":"PUBLISHED","title":"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 w","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.","publishedAt":"2026-11-04T17:55:48.068Z","updatedAt":"2026-11-04T17:55:48.068Z","severity":{"score":7.4,"label":"High","version":"3.1","vector":"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N","source":"mitre"},"assigner":"mitre","products":["Yealink AVHub","Yealink UVC86","Yealink SmartVision 80","Yealink UVC40 E2","Yealink MeetingBorard C","Yealink MeetingBar A10","Yealink MeetingBar A40","Yealink MeetingBar A50"],"affected":[{"vendor":"Yealink","product":"AVHub","defaultStatus":"unaffected","versions":[{"version":"0","status":"affected","lessThan":"153.135.0.76","versionType":"custom"}]},{"vendor":"Yealink","product":"UVC86","defaultStatus":"unaffected","versions":[{"version":"0","status":"affected","lessThan":"151.435.0.66","versionType":"custom"}]},{"vendor":"Yealink","product":"SmartVision 80","defaultStatus":"unaffected","versions":[{"version":"0","status":"affected","lessThan":"321.435.0.86","versionType":"custom"}]},{"vendor":"Yealink","product":"UVC40 E2","defaultStatus":"unaffected","versions":[{"version":"0","status":"affected","lessThan":"319.410.0.66","versionType":"custom"}]},{"vendor":"Yealink","product":"MeetingBorard C","defaultStatus":"unaffected","versions":[{"version":"0","status":"affected","lessThan":"328.321.0.40","versionType":"custom"}]},{"vendor":"Yealink","product":"MeetingBar A10","defaultStatus":"unaffected","versions":[{"version":"0","status":"affected","lessThan":"278.320.0.86","versionType":"custom"}]},{"vendor":"Yealink","product":"MeetingBar A40","defaultStatus":"unaffected","versions":[{"version":"0","status":"affected","lessThan":"289.320.0.81","versionType":"custom"}]},{"vendor":"Yealink","product":"MeetingBar A50","defaultStatus":"unaffected","versions":[{"version":"0","status":"affected","lessThan":"323.320.0.54","versionType":"custom"}]}],"references":["https://www.yealink.com/en/trust-center/security-bulletins/wifi-ap-weak-password-vulnerability"],"weaknesses":["CWE-334"],"ingestedAt":"2026-11-04T18:06:06.406Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/122xxx/CVE-2026-122118.json","commit":"f1b899fac17922ab6fcf9d69ad1a29ca8bb025a9","baselineCommit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-122118","state":"PUBLISHED","datePublished":"2026-11-04T17:55:48.068Z","dateUpdated":"2026-11-04T17:55:48.068Z","assignerShortName":"mitre","assignerOrgId":"8254265b-2729-46b6-b9e3-3dfca2d5bfca","dateReserved":"2026-11-04T17:55:47.718Z"},"containers":{"cna":{"descriptions":[{"lang":"en","value":"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. 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