What’s Vulnerable › Vulnerabilities
CVE-2025-66738
- Severity: high (CVSS 8.8 v3.1)
- Exploited in the wild: not listed in CISA KEV
- EPSS: 0.6% probability of exploitation in the next 30 days
- Public exploit or detection template: yes
- Published: 2025-12-26 · updated 2026-10-07
- Weakness: CWE-77
Description
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 component.
Affected products
- Yealink Sip-T21(P)E2 Firmware: 52.84.0.15
References
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