CVE-2023-37822: homebase 2 (CVSS 8.2)

Description

The Eufy Homebase 2 before firmware version 3.3.4.1h creates a dedicated wireless network for its ecosystem, which serves as a proxy to the end user's primary network. The WPA2-PSK generation of this dedicated network is flawed and solely based on the serial number. Due to the flawed generation process, the WPA2-PSK can be brute forced offline within seconds. This vulnerability allows an attacker in proximity to the dedicated wireless network to gain unauthorized access to the end user's primary network. The only requirement of the attack is proximity to the dedicated wireless network.

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CVSS v3.1 Score

8.2

HIGH

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

Weakness Type (CWE)

CWE-331 CWE-331

Affected Products

Vendor	Product	Versions
eufy	homebase_2_firmware	< 3.3.4.1h
eufy	homebase_2	All

References

Other References

http://anker.com http://eufy.com https://www.usenix.org/conference/woot24/presentation/goeman https://www.usenix.org/system/files/woot24-goeman.pdf

Frequently Asked Questions

What is CVE-2023-37822? +

The Eufy Homebase 2 before firmware version 3.3.4.1h creates a dedicated wireless network for its ecosystem, which serves as a proxy to the end user's primary network. The WPA2-PSK generation of this dedicated network is flawed and solely based on the serial number. Due to the flawed generation process, the WPA2-PSK can be brute forced offline within seconds. This vulnerability allows an attacker in proximity to the dedicated wireless network to gain unauthorized access to the end user's primary network. The only requirement of the attack is proximity to the dedicated wireless network. It has a CVSS v3.1 base score of 8.2 (HIGH).

How severe is CVE-2023-37822? +

CVE-2023-37822 has a CVSS v3.1 score of 8.2 out of 10, rated HIGH. This is a high-severity vulnerability that should be prioritized for patching.

What products are affected by CVE-2023-37822? +

CVE-2023-37822 affects products from eufy, specifically: homebase_2, homebase_2_firmware. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2023-37822? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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CVE-2023-37822