Vulnerability · Published Dec 8, 2025 · Assigned by VulDB
CVE-2025-14228Yealink SIP-T21P E2 Local Directory cross site scripting
Low 3.5
In plain English
A low-severity cross-site scripting in SIP-T21P E2 from Yealink. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.2% (higher than 14% of all known vulnerabilities).
Official description
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.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Yealink | SIP-T21P E2 | 52.84.0.15 |
Weakness: CWE-79, CWE-94 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:L/A:N/E:P/RL:X/RC:R
References
- VDB-334670 | Yealink SIP-T21P E2 Local Directory cross site scripting vdb-entry
- VDB-334670 | CTI Indicators (IOB, IOC, TTP) signature, permissions-required
- Submit #701949 | Yealink T21P_2E 52.84.0.15 Cross Site Scripting third-party-advisory
- https://drive.google.com/file/d/1vptRtEeoS1AZgnqow1yPrsgsBkw4jXc2/view?usp=sharing exploit