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.

INFO

Published Date :

2025-12-26T00:00:00.000Z

Last Modified :

2025-12-27T15:34:23.693Z

Source :

mitre
AFFECTED PRODUCTS

The following products are affected by CVE-2025-66738 vulnerability.

Vendors Products
Yealink
  • Ip Phone Sip-t21p
  • Sip-t21\(p\)e2
  • Sip-t21\(p\)e2 Firmware
  • Sip-t21p E2
REFERENCES

Here, you will find a curated list of external links that provide in-depth information to CVE-2025-66738.

URL Resource
http://yealink.com cve-icon cve-icon
https://drive.google.com/file/d/13t5ywSPJMx4487njJcH3ZTNuc_k3h4ty/view?usp=sharing cve-icon cve-icon
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CVSS Vulnerability Scoring System

Detailed values of each vector for above chart.
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality Impact
Integrity Impact
Availability Impact