August Smart Lock Pro (3rd Gen)

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August Smart Lock Pro (3rd Gen)
Security Grade
   
     B
   
Calculator v
August Smart Lock Pro (3rd Gen)
   Category: Smart Lock • Model / Gen: 3 AUG-SL-CON-G03
   Release Date: 2017-01-01 • Status: In sale
   Classification Date:  • Official Website

Security Evaluation

1. Device Security

Criterion Value Proof Comment
Known hardware tampering None πŸ”— Proof No documented hardware tampering; lock body is physically sturdy and no exposed debug ports
Known vulnerabilities Rare πŸ”— Proof CVE-2019-17098: hardcoded crypto key in Connect firmware leaks Wi-Fi password; SweynTooth BLE issue also affects August
Prior attacks None πŸ”— Proof Not associated with major botnets like Mirai
Updatability Very common πŸ”— Proof Regular OTA firmware updates; security vulnerability reporting program active
Category Score Score: 2 / 3

2. System Security

Criterion Value Proof Comment
Authentication with other systems Partial πŸ”— Proof Cloud uses 2FA, but Berkeley research showed revoked guests could still unlock via their phone as intermediary
Communications Encrypted with obselete encryption πŸ”— Proof AES-128/TLS used, but Bitdefender showed encryption key hardcoded in app, allowing Wi-Fi password eavesdropping
Storage Encrypted with up-to-date encryption πŸ”— Proof Credentials stored with AES-128 encryption; bank-grade encryption claimed
Category Score Score: 2 / 3

3. User Authentication

Criterion Value Proof Comment
Account management Full πŸ”— Proof Supports multiple users, guest access keys, access revocation, password change
Authentication Secure πŸ”— Proof Mandatory 2FA; no hardcoded login credentials
Brute-force protection Exist πŸ”— Proof Account protected by 2FA and failed-attempt controls
Event logging Partial logging πŸ”— Proof App keeps activity feed of lock/unlock events but no full audit log
Passwords Require change after setup with complexity requirements πŸ”— Proof No default device password; August account password required at setup
Category Score Score: 2 / 3

Technical Specifications

Property Details
Operating System & App Proprietary firmware (Companion App: August Home App)
Hardware (CPU / GPU) CPU: • GPU:
Memory & Storage Memory: • Storage:
Power, Battery & Charging Battery: 4 x AA alkaline • Power: Battery only • Charging:
Display & Camera Display: None • Camera: none
Sound & Connectivity Sound: Built-in speaker (lock sounds) • Connectivity: Bluetooth 4.2 BLE, Wi-Fi 2.4 GHz (via August Connect)
Physical (Dimensions & Mass) Dimensions: 65.4 x 120.6 mm • Mass: