CVE-2025-66737
Unknown Unknown - Not Provided
Directory Traversal in Yealink T21P_E2 Diagnostic Component Allows File Access

Publication date: 2025-12-26

Last updated on: 2025-12-26

Assigner: MITRE

Description
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.
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Meta Information
Published
2025-12-26
Last Modified
2025-12-26
Generated
2026-06-16
AI Q&A
2025-12-26
EPSS Evaluated
2026-06-15
NVD
CVE-2025-66737
Affected Vendors & Products
Showing 1 associated CPE
Vendor Product Version / Range
yealink t21p_e2 52.84.0.15
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Exploitability
CWE
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KEV
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CWE ID Description
CWE-23 The product uses external input to construct a pathname that should be within a restricted directory, but it does not properly neutralize sequences such as ".." that can resolve to a location that is outside of that directory.
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Executive Summary

The vulnerability in Yealink T21P_E2 Phone 52.84.0.15 is a Directory Traversal issue that allows a remote attacker with normal privileges to read arbitrary files on the device by sending a specially crafted request to the diagnostic component's read function.

Impact Analysis

This vulnerability can impact you by allowing an attacker to access sensitive files on the affected device without authorization, potentially exposing confidential information and compromising the security of the system.

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