CVE-2021-21954

A command execution vulnerability exists in the wifi_country_code_update functionality of the...

9.9 Critical

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.

Attack profile

How easy it is to exploit

Attack vector: Network
Complexity: Low
Privileges needed: Low
User interaction: None

What an attacker can affect

Confidentiality: High
Integrity: High
Availability: High

Exploit likelihood

2.51%Up 1.8 points since Dec 10, 2021

What each source reports

CVE List Score used 9.9

Record: CVE-2021-21954
CVSS 3.0: 9.9 CriticalCVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
Weakness: CWE-78
Updated: 2026-11-02

EUVDEUVD-2021-9125 9.9

Record: EUVD-2021-9125
CVSS 3.0: 9.9 CriticalCVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
Updated: 2026-11-03

GitHub AdvisoriesGHSA-853q-qp3f-8m3v 9.9

A command execution vulnerability exists in the wifi_country_code_update functionality of the...

Record: GHSA-853q-qp3f-8m3v
CVSS 3.1: 9.9 CriticalCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
Weakness: CWE-78
Updated: 2026-11-02

NVD 9.9

Record: CVE-2021-21954
CVSS 3.1: 9.9 CriticalCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
CVSS 3.0: 9.9 CriticalCVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
CVSS 2.0: 9.0 HighAV:N/AC:L/Au:S/C:C/I:C/A:C
Weakness: CWE-78
Updated: 2026-11-02

Affected products

anker eufy homebase 2 firmware

History

History
Recorded	Changed	Sources
Nov 3, 2026	aliases	EUVD
Nov 2, 2026	first indexed	CVE List, GitHub Advisories, NVD

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2021-21954 is a critical vulnerability (CVSS 9.9) in Anker Eufy Homebase 2 Firmware, published December 9, 2021. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 2.51%, the 84th percentile. No source names a fixed version.