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Vulnerabilities

Vulnerability · CVE-2025-14228

A weakness has been identified in Yealink SIP-T21P E2 52.84.0.15.

Published Dec 8, 2025 · catalog updated Dec 8, 2025 · Yealink SIP-T21P E2

Last checked Oct 28, 2026. A connected source was read within the last 7 days.

Check if you run it

No confirmed exploitation is on record for CVE-2025-14228. EPSS is 0.23%. Act only if a listed version of Yealink SIP-T21P E2 is installed.

Gaps on this record

  • No vendor fix or required action is stored. Compare the linked advisory before you change production.
Severity
Medium5.1
Known exploitation
Not in CISA/VulnCheck KEV
EPSS
0.23%
Remediation
Vendor / distro source
Affected products
vendor Yealink SIP-T21P E2 52.84.0.15

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.

Are you affected?

Enter the version you run. The result uses only the ranges stored on this record.

The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.

  • vendor Yealink SIP-T21P E2 52.84.0.1552.84.0.15

How to fix CVE-2025-14228

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

No confirmed exploitation is on record for CVE-2025-14228. EPSS is 0.23%. Act only if a listed version of Yealink SIP-T21P E2 is installed.

Which versions are affected?

Compare what you have installed with Yealink SIP-T21P E2 52.84.0.15 52.84.0.15. Compare the installed version with the linked vendor advisory before you change production.

What should an analyst verify?

No weakness class is stored. EPSS 0.23%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

Code

The project this record applies to. Exploit listings stay in References.

No public source repository is identified for this product.

Timeline

Detection, updates, and resolution for this record.

  1. Dec 8, 2025 · EUVD

    Detected

    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 vuln

  2. Dec 8, 2025 · EUVD

    Updated

    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 vuln

Sources

  • CVE.orgVulnerability recordCVE-2025-14228

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2025-14228

    30-day exploitation probability 0.23%

    first.org
  • EUVDVulnerability recordEUVD-2025-201706

    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 publi

    euvd.enisa.europa.eu

References

Freshness

Last verified in this catalog Oct 28, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.

  • FIRST EPSSOct 28, 2026
  • CVE.orgOct 28, 2026
  • EUVDOct 27, 2026