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Medium 4.3Published Dec 26, 2025
CVE-2025-66737Yealink T21P_E2 Phone 52.84.0.15 is vulnerable to Directory Traversal.
Updated under an hour ago ()
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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
- 4.3 MEDIUM (v3.1, NVD)CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
- Weakness (CWE)
- CWE-23
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- Not loaded for this CVE
- Assigned by
- Not given
- NVD analysis
- Modified
- Record last updated
- Oct 13, 2026
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
yealink sip-t21(p)e2_firmware yealink:sip-t21(p)e2_firmware | 52.84.0.15 | NVD |
References
- https://drive.google.com/file/d/1MpxnCL4koKupqWWDmY3ljlybjIPD8ieD/view?usp=sharingexploit
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.