CVE-2025-14228 MEDIUM

CVE-2025-14228: Yealink SIP-T21P E2 Local Directory cross site scripting

Vendor Yealink
Product SIP-T21P E2
Weakness CWE-79 · XSS
Published December 8, 2025
Last update December 8, 2025

CVSS base score

5.1/10
Attack vector Network
Attack complexity Low
Privileges required Low
User interaction
Confidentiality
Integrity

CVSS vector

CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:P

What the vulnerability does

01Description

A weakness has been identified in Yealink SIP-T21P E2 52.84.0.15. Impacted is an unknown function of the component Local Directory Page. This manipulation causes cross site scripting. It is possible to initiate the attack remotely. The exploit has been made available to the public and could be exploited. The vendor was contacted early about this disclosure but did not respond in any way. This vulnerability only affects products that are no longer supported by the maintainer.

Key dates

02Disclosure timeline

December 8, 2025 CVE published
December 8, 2025 Record updated