What is CVE-2021-21952?

CVE-2021-21952 is a critical-severity vulnerability in Anker Eufy Homebase 2, classified under Authentication Bypass Using an Alternate Path or Channel. CVSS score: 9.8/10. Published 2021-12-22.

How severe is CVE-2021-21952?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Auth bypass in Anker Eufy Homebase 2

CVE-2021-21952

An authentication bypass vulnerability exists in the CMD_DEVICE_GET_RSA_KEY_REQUEST functionality of the home_security binary of Anker Eufy Homebase 2 2.1.6.9h. A specially-crafted set of network packets can lead to increased privileges.

Published 2021-12-22 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.013 (68.7th percentile), scored 2026-09-30.

Low probability of exploitation in the next 30 days, but still tracked. 69th percentile — 68.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.013 · newest: 0.013 · change: 0.000

Affected products

Anker Eufy Homebase 2
Anker Eufy Homebase 2 Firmware — versions 2.1.6.9h
Anker" — versions Anker Eufy Homebase 2 2.1.6.9h

Weakness classification (CWE)

References

talosintelligence.com/vulnerability_reports/TALOS-2021-1379 (Exploit, Third Party Advisory)

Frequently asked questions

What is CVE-2021-21952?: CVE-2021-21952 is a critical-severity vulnerability in Anker Eufy Homebase 2, classified under Authentication Bypass Using an Alternate Path or Channel. CVSS score: 9.8/10. Published 2021-12-22.
How severe is CVE-2021-21952?: Critical severity. CVSS v3 base score is 9.8 out of 10.