Affected: Yealink AVHub, Yealink UVC86, Yealink SmartVision 80, Yealink UVC40 E2, Yealink MeetingBorard C, Yealink MeetingBar A10, Yealink MeetingBar A40, Yealink MeetingBar A50

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.