CVE-2025-66738 - Yealink Sip-t21\(p\)e2 Firmware

Critical 8.8

An issue in Yealink T21P_E2 Phone 52.84.0.15 allows a remote normal privileged attacker to execute arbitrary code via a crafted request the ping function of the diagnostic component.

Affected software

Yealink Sip-t21\(p\)e2 Firmware

Reference links

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