RCE in Yealink Sip-T21p E2
CVE-2025-14228
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.
Vulnerability class: XSS (Cross-Site Scripting)
EPSS: 0.002 (10.5th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 3.5 (Low). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:L/A:N.
Affected products
- Yealink Sip-t21p E2 — versions 52.84.0.15
Weakness classification (CWE)
References
- cna@vuldb.com (vdb-entry)
- cna@vuldb.com (signature, permissions-required)
- cna@vuldb.com (third-party-advisory)
- cna@vuldb.com (exploit)
Frequently asked questions
- What is CVE-2025-14228?
- CVE-2025-14228 is a low-severity vulnerability in Yealink Sip-T21p E2, classified under Cross-site Scripting. CVSS score: 3.5/10. Published 2025-12-08.
- How severe is CVE-2025-14228?
- Low severity. CVSS v3 base score is 3.5 out of 10.