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.
References
| Link | Resource |
|---|---|
| http://yealink.com | Product |
| https://drive.google.com/file/d/1MpxnCL4koKupqWWDmY3ljlybjIPD8ieD/view?usp=sharing | Exploit |
Configurations
Configuration 1 (hide)
| AND |
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History
09 Jan 2026, 20:35
| Type | Values Removed | Values Added |
|---|---|---|
| References | () http://yealink.com - Product | |
| References | () https://drive.google.com/file/d/1MpxnCL4koKupqWWDmY3ljlybjIPD8ieD/view?usp=sharing - Exploit | |
| First Time |
Yealink
Yealink sip-t21\(p\)e2 Yealink sip-t21\(p\)e2 Firmware |
|
| CPE | cpe:2.3:h:yealink:sip-t21\(p\)e2:-:*:*:*:*:*:*:* cpe:2.3:o:yealink:sip-t21\(p\)e2_firmware:52.84.0.15:*:*:*:*:*:*:* |
27 Dec 2025, 16:15
| Type | Values Removed | Values Added |
|---|---|---|
| CVSS |
v2 : v3 : |
v2 : unknown
v3 : 4.3 |
26 Dec 2025, 17:15
| Type | Values Removed | Values Added |
|---|---|---|
| New CVE |
Information
Published : 2025-12-26 17:15
Updated : 2026-01-09 20:35
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_firmware
- sip-t21\(p\)e2
CWE
CWE-23
Relative Path Traversal