CVE-2021-21954 Command injection in Anker

What is CVE-2021-21954?

CVE-2021-21954 is a critical command injection vulnerability in Anker, published on 9 Dec 2021. Any signed-in user can exploit it over the network, with no action from the victim.

Official 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.

Weakness: CWE-78

Which versions are affected by CVE-2021-21954?

It affects 1 product.

Products include Anker Eufy Homebase 2 Firmware.

How do I fix CVE-2021-21954?

No fix has been published for CVE-2021-21954 yet. Limit exposure of the affected software until one is available.

Upgrade, and pass arguments to programs as a list instead of through a shell. More about Command injection.

Is CVE-2021-21954 being exploited?

There is no known exploitation of CVE-2021-21954 in the wild and no public exploit code.

Other vulnerabilities in Anker

• CVE-2022-21806 Use after free in Eufy Homebase 2 Critical 10.0
• CVE-2021-21950 Memory corruption in Anker Critical 10.0
• CVE-2021-21951 Memory corruption in Anker Critical 10.0
• CVE-2021-21940 Memory corruption in Anker Critical 10.0
• CVE-2021-21941 Use after free in Anker Critical 10.0

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as GHSA-853q-qp3f-8m3v.