CVE-2021-21954

Name: CVE-2021-21954
Creator: NVD / NIST
Published: 2021-12-09T16:15:08.207+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

CRITICALCVSS 9.9/10EPSS 2.43%

Last modified Jun 17, 2026

CVE-2021-21954 is a critical-severity vulnerability rated 9.9/10 on the CVSS scale. 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.. EPSS estimates a 2.43% chance of exploitation in the next 30 days.

Description

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.

Metrics

CVSS 3.1

9.9/10

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H

EPSS Probability

2.43%

82.2th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Anker	Eufy Homebase 2 Firmware	2.1.6.9h

References

https://talosintelligence.com/vulnerability_reports/TALOS-2021-1381Exploit, Third Party Advisory
https://talosintelligence.com/vulnerability_reports/TALOS-2021-1381Exploit, Third Party Advisory

Timeline

Published: Dec 9, 2021
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2021-21954?

How severe is CVE-2021-21954?

CVE-2021-21954 has a CVSS score of 9.9/10 (CRITICAL severity). The EPSS model estimates a 2.43% probability of exploitation in the next 30 days.

How do I fix CVE-2021-21954?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2021-21954?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST