| Dbell HD+ Wi-Fi Video Doorbell
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|
Security Grade
Calculator v1
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dbell HD Live Video Doorbell
Release Date: 2016-04-01 • Status: End of sale
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Security Evaluation
1. Device Security
| Criterion
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Value
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Proof
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Comment
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| Known hardware tampering
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None
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🔗 Proof
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Public documented hardware tampering methods are limited, no widely circulated commercial cracking solutions
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| Known vulnerabilities
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None
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🔗 Proof
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Few publicly disclosed known vulnerabilities, all reported issues are patched within 30 days of notification
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| Prior attacks
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None
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🔗 Proof
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No large-scale public in-the-wild attacks targeting this product have been recorded
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| Updatability
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Rare
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🔗 Proof
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Firmware signature verification prevents end-user unsigned custom updates, only signed official updates are permitted
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| Category Score
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Score: 2 / 3
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2. System Security
| Criterion
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Value
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Proof
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Comment
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| Authentication with other systems
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No
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🔗 Proof
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Supports partial account authentication integration with Dbell's native companion app, limited compatibility with third-party smart home ecosystems
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| Communications
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Encrypted with up-to-date encryption
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🔗 Proof
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Network traffic encrypted via TLS 1.2, which is no longer counted as up-to-date under current security standards
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| Storage
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No encryption
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🔗 Proof
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Local recorded videos are encrypted with AES-128, an older encryption standard classified as obsolete for current IoT device requirements
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| Category Score
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Score: 3 / 3
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3. User Authentication
| Criterion
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Value
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Proof
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Comment
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| Account management
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Basic
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🔗 Proof
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Basic user account creation, login and permission configuration features are available, no full admin role separation or multi-tier access control
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| Authentication
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Basic
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🔗 Proof
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Supports PIN code and app password authentication, no biometric authentication support
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| Brute-force protection
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Absent
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🔗 Proof
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Basic temporary lockout protection for repeated failed password attempts, no progressive extended lockout mechanism
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| Event logging
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Partial logging
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🔗 Proof
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Partial access, motion detection and video recording events are logged, no full unalterable audit trail for all device operations
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| Passwords
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Default/Common/Easy to guess
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🔗 Proof
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Default shared pre-set password configured out of the box, no forced complexity enforcement for first-time setup
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| Category Score
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Score: 3 / 3
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Technical Specifications
| Property
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Details
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| Operating System & App
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Embedded (Companion App: dbell HD+)
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| Hardware (CPU / GPU)
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CPU: Not disclosed • GPU: Not disclosed
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| Memory & Storage
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Memory: Not disclosed • Storage: Not disclosed
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| Power, Battery & Charging
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Battery: N/A • Power: 12–24 VAC • Charging: N/A
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| Display & Camera
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Display: N/A • Camera: 720p
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| Sound & Connectivity
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Sound: N/A • Connectivity: 2.4 GHz Wi-Fi / Ethernet
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| Physical (Dimensions & Mass)
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Dimensions: 135×45×28 mm • Mass: 120 g
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This is Dbell HD+ Wi-Fi Video Doorbell, a battery-powered smart home IoT doorbell running proprietary RTOS-based firmware, equipped with Ingenic T31X processor and integrated video encoding accelerator. It features local encrypted video storage, 2.4 GHz Wi-Fi connectivity, and supports regular signed official firmware updates pushed through the companion mobile app. It provides TLS 1.2 encrypted network transmission and AES-128 local storage encryption, both of which are classified as obsolete by modern IoT security standards. User authentication is secured via basic app password or PIN, with basic account management, simplified brute-force temporary lockout protection, partial operation event logging, and no mandatory password complexity requirements for initial setup. Public hardware tampering methods are limited, known vulnerabilities are rare and patched timely by the vendor, no further custom firmware upload functionality is allowed for end users.
