📦 Sip T21\(p\)e2 Firmware

by Yealink

🔍 What is Sip T21\(p\)e2 Firmware?

Description coming soon...

🛡️ Security Overview

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⚠️ Known Vulnerabilities

CVE-2025-66738

HIGH CVSS 8.8 Dec 26, 2025

A command injection vulnerability in Yealink T21P_E2 phones allows remote attackers with normal privileges to execute arbitrary code via crafted requests to the ping function in the diagnostic compone...

CVE-2025-66737

MEDIUM CVSS 4.3 Dec 26, 2025

Yealink T21P_E2 phones running firmware 52.84.0.15 have a directory traversal vulnerability in the diagnostic component. Remote attackers with normal privileges can read arbitrary files on the device ...