High severity8.8NVD Advisory· Published Dec 26, 2025· Updated Jul 5, 2026
CVE-2025-66738
CVE-2025-66738
Description
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.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
3- cpe:2.3:o:yealink:sip-t21\(p\)e2_firmware:52.84.0.15:*:*:*:*:*:*:*
Patches
Vulnerability mechanics
References
1News mentions
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