What is CVE-2021-21954?

CVE-2021-21954 is a critical-severity vulnerability in Anker Eufy Homebase 2, classified under OS Command Injection. CVSS score: 9.9/10. Published 2021-12-09.

How severe is CVE-2021-21954?

Critical severity. CVSS v3 base score is 9.9 out of 10.

RCE in Anker Eufy Homebase 2

CVE-2021-21954

A command execution vulnerability exists in the wifi_country_code_update 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 arbitrary command execution.

Vulnerability class: Command Injection (OS Command Injection)

Published 2021-12-09 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 9.9 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.024 (83.6th percentile), scored 2026-09-30.

Low probability of exploitation in the next 30 days, but still tracked. 84th percentile — 83.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.024 · newest: 0.024 · 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)

CWE-78 — OS Command Injection

References

talosintelligence.com/vulnerability_reports/TALOS-2021-1381 (Exploit, Third Party Advisory)

Frequently asked questions

What is CVE-2021-21954?: CVE-2021-21954 is a critical-severity vulnerability in Anker Eufy Homebase 2, classified under OS Command Injection. CVSS score: 9.9/10. Published 2021-12-09.
How severe is CVE-2021-21954?: Critical severity. CVSS v3 base score is 9.9 out of 10.