NVD security advisoryHigh
High advisory for In certain Yealink products
CVE-2026-122118 · Reported 4 Nov 2026
Full advisory details, affected packages, severity context, and original source.
Affected technology
In certain Yealink productsAffected product
Advisory overview
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.