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SF
Product
Sip-t21(p)e2 Firmware
by Yealink · last CVE Dec 26, 2025
2
CVEs
0
On KEV
8.8
Max CVSS
0
New 30D
Vulnerabilities2In the news0Timeline
Severity mix
Critical 0High 1Medium 1Low 0
Severity
All severities2Critical0High1Medium1Low0
Exploitation
On CISA KEV0Exploited in the wild0
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CVECVSSEPSSPublishedSummary · affected versions
CVE-2025-66738
8.8
1%
Dec 26
An issue in Yealink T21P_E2 Phone 52.84.0.15 allows a remote normal privileged attacker to execute arbitrary code via a crafted request the ping function of the diagnostic…
Affected: 52.84.0.15
CVE-2025-66737
4.3
1%
Dec 26
Yealink T21P_E2 Phone 52.84.0.15 is vulnerable to Directory Traversal
Affected: 52.84.0.15
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