How severe is CVE-2022-21806?

CVE-2022-21806 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2022-21806 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (81st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2022-21806?

CVE-2022-21806 affects Anker Eufy Homebase 2 Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2022-21806?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

When was CVE-2022-21806 published?

CVE-2022-21806 was published on 2022-06-17 and last updated on 2026-06-17.

CVE-2022-21806

CVE-2022-21806 is a critical-severity vulnerability in Anker Eufy Homebase 2 Firmware with a CVSS 3.x base score of 9.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-416.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
CVSS v2: 7.5
EPSS exploit prediction: 2% (81st percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-416
Affected product: Anker Eufy Homebase 2 Firmware
Published: 2022-06-17
Last modified: 2026-06-17

Description

A use-after-free vulnerability exists in the mips_collector appsrv_server functionality of Anker Eufy Homebase 2 2.1.8.5h. A specially-crafted set of network packets can lead to remote code execution. The device is exposed to attacks from the network.

Frequently asked questions

What is CVE-2022-21806?: A use-after-free vulnerability exists in the mips_collector appsrv_server functionality of Anker Eufy Homebase 2 2.1.8.5h. A specially-crafted set of network packets can lead to remote code execution. The device is exposed to attacks from the network.
How severe is CVE-2022-21806?: CVE-2022-21806 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2022-21806 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (81st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2022-21806?: CVE-2022-21806 affects Anker Eufy Homebase 2 Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2022-21806?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2022-21806 published?: CVE-2022-21806 was published on 2022-06-17 and last updated on 2026-06-17.

References

https://talosintelligence.com/vulnerability_reports/TALOS-2022-1440

Affected products (1)

cpe:2.3:o:anker:eufy_homebase_2_firmware:2.1.8.5h:*:*:*:*:*:*:*

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