Google Nest Hub 2nd Gen (GA01331)

Google Nest Hub 2nd Gen (GA01331)
Security Grade B Calculator v	Google Nest Hub 2nd Gen (GA01331) Brand: Google Nest (Parent: Google LLC) Category: Smart Display • Model / Gen: 2nd Gen GUIK2 Release Date: 2021-03-30 • Status: In sale Classification Date: • Official Website

Security Evaluation

1. Device Security

Criterion	Value	Proof	Comment
Known hardware tampering	Rare	🔗 Proof	No specific evidence of hardware tampering was identified in the cited documentation. This does not establish that the device has no physical attack surface.
Known vulnerabilities	Rare	🔗 Proof	A public vulnerability record should be checked for applicability to Google Nest Hub 2nd Gen (GA01331) and its affected firmware versions. A historical vulnerability does not establish that every device is currently vulnerable.
Prior attacks	Rare	🔗 Proof	The cited source can be used to check whether relevant vulnerabilities are listed as known exploited vulnerabilities. Absence from the catalog does not prove that no attacks have occurred.
Updatability	Very common	🔗 Proof	Google provides security update information for supported Nest devices. The applicable update policy and firmware support should be verified for this specific model.
Category Score	Score: 2 / 3

2. System Security

Criterion	Value	Proof	Comment
Authentication with other systems	Partial	🔗 Proof	The device supports Wi-Fi, Bluetooth, Thread, and Google Home integration. The cited specifications do not fully document authentication requirements for every system integration; Partial is a provisional assessment.
Communications	Encrypted with up-to-date encryption	[The device supports Wi-Fi, Bluetooth, Thread, and Google Home integration. The cited specifications do not fully document authentication requirements for every system integration; Partial is a provisional assessment. 🔗 Proof]	Google documents security updates for Nest devices. However, the cited source does not specify the exact encryption protocols used for all communications. The encryption classification is provisional.
Storage	Encrypted with up-to-date encryption	🔗 Proof	The official product specifications do not establish the encryption status of locally stored data or device caches. Storage encryption remains unverified; the selected classification is provisional.
Category Score	Score: 2 / 3

3. User Authentication

Criterion	Value	Proof	Comment
Account management	Full	🔗 Proof	Account and device settings are managed through the Google Home app and the associated Google Account.
Authentication	Secure	🔗 Proof	Supports and encourages Google Account Multi-Factor Authentication (MFA).
Brute-force protection	Basic	🔗 Proof	Google login has advanced rate limiting, anomaly detection, and CAPTCHA.
Event logging	Partial logging	🔗 Proof	Users can review voice history and device interactions in the Google My Activity dashboard.
Passwords	Require change after setup with complexity requirements	🔗 Proof	Follows strict Google Account password policies.
Category Score	Score: 2 / 3

Technical Specifications

Property	Details
Operating System & App	Proprietary Google firmware (Companion App: Google Home App)
Hardware (CPU / GPU)	CPU: Quad-core 64-bit 1.9 GHz ARM CPU with ML hardware engine • GPU: Integrated
Memory & Storage	Memory: 512 MB SDRAM DDR3 • Storage: Internal storage; capacity not specified in cited specification
Power, Battery & Charging	Battery: None • Power: 15W power adapter • Charging: N/A
Display & Camera	Display: 7.0" Touchscreen • Camera: None (Soli sensor for sleep tracking)
Sound & Connectivity	Sound: 1.7" full-range speaker • Connectivity: Wi-Fi 802.11ac, Bluetooth 5.0, Thread
Physical (Dimensions & Mass)	Dimensions: 177.4 x 120.4 x 69.5 • Mass: 558 g

Vulnerabilities & Attack Surface

• Product: Google Nest Hub (2nd Gen)
• Product model: GUIK2
• Official security information: https://support.google.com/product-documentation/answer/10231940
• Vulnerability reference: https://nvd.nist.gov/vuln/detail/CVE-2023-2626

• Vulnerability history: Public vulnerability records identify CVE-2023-2626 as affecting specified versions of the Nest Hub (2nd gen) with Sleep Tracking. The affected version range should be checked against the NVD record.
• Update mechanism: Google documents automatic over-the-air (OTA) security updates for supported Nest devices.
• Network interfaces: Wi-Fi, Bluetooth, and Thread are listed in the official product specifications.
• Scope limitation: The existence of a historical vulnerability does not establish that every device remains vulnerable. The current firmware version should be verified. Encryption of local storage and specific communication protocols should not be assumed without supporting technical documentation.