Xiaomi Smart Door Lock M20
From Wiki-IoT
| Xiaomi Smart Door Lock M20 | ||
|---|---|---|
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Security Grade
Calculator v1
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Xiaomi Smart Door Lock M20
Brand: Xiaomi Category: Smart Door Lock • Model / Gen: Release Date: 2023-06-15 • Status: Classification Date: 2025-10-15 • Official Website | |
Contents
Security Evaluation
1. Device Security
| Criterion | Value | Proof | Comment |
|---|---|---|---|
| Known hardware tampering | Rare | 🔗 Proof | 防拆设计，篡改案例罕见。 |
| Known vulnerabilities | None | — | CVE 库无已知漏洞。 |
| Prior attacks | None | — | |
| Updatability | Very common | 🔗 Proof | 可通过 Mi Home APP 频繁更新。 |
| Category Score | Score: 2 / 3 | ||
2. System Security
| Criterion | Value | Proof | Comment |
|---|---|---|---|
| Authentication with other systems | No | — | |
| Communications | Encrypted with up-to-date encryption | 🔗 Proof | 蓝牙、Wi-Fi 采用 AES-256 加密。 |
| Storage | Encrypted with up-to-date encryption | 🔗 Proof | 敏感数据（指纹 / 密码）存储加密。 |
| Category Score | Score: 2 / 3 | ||
3. User Authentication
| Criterion | Value | Proof | Comment |
|---|---|---|---|
| Account management | Absent | — | |
| Authentication | Secure | 🔗 Proof | 支持指纹、密码、NFC 等多方式认证 |
| Brute-force protection | Exist | 🔗 Proof | 密码错误 5 次锁定 3 分钟。 |
| Event logging | Absent | — | |
| Passwords | Require change after setup with complexity requirements | — | |
| Category Score | Score: 2 / 3 | ||
Technical Specifications
| Property | Details |
|---|---|
| Operating System & App | Xiaomi Vela (custom IoT OS) (Companion App: Mi Home) |
| Hardware (CPU / GPU) | CPU: ARM Cortex-M4 • GPU: |
| Memory & Storage | Memory: 512 KB RAM + 4 MB Flash • Storage: |
| Power, Battery & Charging | Battery: • Power: • Charging: |
| Display & Camera | Display: • Camera: |
| Sound & Connectivity | Sound: • Connectivity: Wi-Fi, Bluetooth 5.1, Zigbee |
| Physical (Dimensions & Mass) | Dimensions: • Mass: |
