Xiaomi Smart Door Lock M20
From Wiki-IoT
Classification
| Xiaomi Smart Door Lock M20 | |
|---|---|
| Classification | |
| Grade | B |
| Calculator version | 1 |
| Classification date | 2025-10-15 |
| Information | |
| Name | Xiaomi Smart Door Lock M20 |
| Brand | Xiaomi |
| Generation | |
| Model(s) | |
| Release date | 2023-06-15 |
| Type/Category | Smart Door Lock |
| Website | [1] |
| Status | |
| More | |
| Dimensions | |
| Mass | |
| Operating system | Xiaomi Vela (custom IoT OS) |
| Companion App | Mi Home |
| CPU | ARM Cortex-M4 |
| GPU | |
| Memory | 512 KB RAM + 4 MB Flash |
| Storage | |
| Battery | |
| Power | |
| Charging | |
| Display | |
| Camera | |
| Sound | |
| Connectivity | Wi-Fi, Bluetooth 5.1, Zigbee |
| Device | |||
|---|---|---|---|
| Criterion | Value | Proof(s) | Comment |
| Known hardware tampering | Rare | [2] | 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 | [3] | 可通过 Mi Home APP 频繁更新。 |
| Category score | 2 | ||
| System | |||
|---|---|---|---|
| Criterion | Value | Proof(s) | Comment |
| Authentication with other systems | No | [] | |
| Communications | Encrypted with up-to-date encryption | [4] | 蓝牙、Wi-Fi 采用 AES-256 加密。 |
| Storage | Encrypted with up-to-date encryption | [5] | 敏感数据（指纹 / 密码）存储加密。 |
| Category score | 2 | ||
| User Authentication | |||
|---|---|---|---|
| Criterion | Value | Proof(s) | Comment |
| Account management | Absent | [] | |
| Authentication | Secure | [6] | 支持指纹、密码、NFC 等多方式认证 |
| Brute-force protection | Exist | [7] | 密码错误 5 次锁定 3 分钟。 |
| Event logging | Absent | [] | |
| Passwords | Require change after setup with complexity requirements | [] | |
| Category score | 2 | ||
| Grade | B |
|---|
