CVE-2021-21951
CVSS v3
10
CRITICAL
EPSS Score
2.4 %
exploit probability, as of 2026-09-25
CISA KEV
No
known exploited
Exploitation
—
SSVC status
Description
An out-of-bounds write vulnerability exists in the CMD_DEVICE_GET_SERVER_LIST_REQUEST functionality of the home_security binary of Anker Eufy Homebase 2 2.1.6.9h in function read_udp_push_config_file. A specially-crafted network packet can lead to code execution.
Technical details
- Published
- 2021-12-08
Frequently asked questions
What is CVE-2021-21951?
An out-of-bounds write vulnerability exists in the CMD_DEVICE_GET_SERVER_LIST_REQUEST functionality of the home_security binary of Anker Eufy Homebase 2 2.1.6.9h in function read_udp_push_config_file. A specially-crafted network packet can lead to code execution.
Is CVE-2021-21951 actively exploited?
Active exploitation of CVE-2021-21951 has not been confirmed. Its EPSS score was 2.4% on 2026-09-25, the estimated probability of exploitation in the next 30 days.
What is the CVSS score for CVE-2021-21951?
CVE-2021-21951 has a CVSS v3 base score of 10 (CRITICAL severity).
Is CVE-2021-21951 affecting your environment?
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