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

Quick assessment

Affected
Yealink SIP-T21P E2
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Yealink SIP-T21P E2是中国亿联（Yealink）公司的一款企业IP电话。 Yealink SIP-T21P E2 52.84.0.15版本存在代码注入漏洞，该漏洞源于本地目录页面组件存在跨站脚本漏洞。

CVSS 3.5 · Low EPSS 0.23% · P13

Possible ATT&CK Techniques 1 AI

T1189 · Drive-by Compromise
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I. Basic Information for CVE-2025-14228

Vulnerability Information
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Vulnerability Title
Yealink SIP-T21P E2 Local Directory cross site scripting
Source: CVE Program / CVE List V5
Vulnerability Description
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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:L/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
在Web页面生成时对输入的转义处理不恰当(跨站脚本)
Source: CVE Program / CVE List V5
Vulnerability Title
Yealink SIP-T21P E2 代码注入漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Yealink SIP-T21P E2是中国亿联（Yealink）公司的一款企业IP电话。 Yealink SIP-T21P E2 52.84.0.15版本存在代码注入漏洞，该漏洞源于本地目录页面组件存在跨站脚本漏洞。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
Yealink SIP-T21P E2 52.84.0.15 -

II. Public POCs for CVE-2025-14228

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III. Intelligence Information for CVE-2025-14228

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Vendor Advisories for CVE-2025-14228 (3)

IV. Related Vulnerabilities

Same vendor: Yealink
Same weakness: CWE-79

V. Comments for CVE-2025-14228

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