CVE-2025-66737

Yealink T21P_E2 Phone 52.84.0.15 is vulnerable to Directory Traversal. A remote normal privileged attacker can read arbitrary files via a crafted request result read function of the diagnostic component.

CVSS v3 4.3 MEDIUM

4.3^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 2.8 / Impact : 1.4

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact LOW

Integrity Impact NONE

Availability Impact NONE

Scope UNCHANGED

References

Link	Resource
https://drive.google.com/file/d/1MpxnCL4koKupqWWDmY3ljlybjIPD8ieD/view?usp=sharing	Exploit

Configurations

Configuration 1 (hide)

AND

cpe:2.3:o:yealink:sip-t21\(p\)e2_firmware:52.84.0.15:*:*:*:*:*:*:*

cpe:2.3:h:yealink:sip-t21\(p\)e2:-:*:*:*:*:*:*:*

History

05 Oct 2026, 18:10

Type	Values Removed	Values Added
Summary		(es) El teléfono Yealink T21P_E2 52.84.0.15 es vulnerable a salto de directorio. Un atacante remoto con privilegios normales puede leer archivos arbitrarios a través de una función de lectura de resultados de solicitud especialmente diseñada del componente de diagnóstico.

Information

Published : 2025-12-26 17:15

Updated : 2026-10-13 09:10

NVD link : CVE-2025-66737

Mitre link : CVE-2025-66737

CVE.ORG link : CVE-2025-66737

JSON object : View

Products Affected

yealink

sip-t21\(p\)e2
sip-t21\(p\)e2_firmware

CWE

CWE-23

Relative Path Traversal

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