Huawei Band 4
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| Huawei Band 4 | ||
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Security Grade
Calculator v1
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Huawei Band 4
Brand: Huawei (Parent: Huawei Technologies Co., Ltd.) Category: Fitness tracker • Model / Gen: 4 Huawei Band 4, Huawei Band 4 NFC Release Date: 2019-06-06 • Status: End of life Classification Date: 2025-10-20 • Official Website | |
Contents
Security Evaluation
1. Device Security
| Criterion | Value | Proof | Comment |
|---|---|---|---|
| Known hardware tampering | None | 🔗 Proof | 密封 |
| Known vulnerabilities | Rare | 🔗 Proof | 老款偶发 BLE 研究 |
| Prior attacks | Rare | 🔗 Proof | 研究性演示 |
| Updatability | Rare | 🔗 Proof | 2018 老款，更新有限 |
| Category Score | Score: 2 / 3 | ||
2. System Security
| Criterion | Value | Proof | Comment |
|---|---|---|---|
| Authentication with other systems | Partial | 🔗 Proof | 配对华为健康 |
| Communications | Encrypted with obselete encryption | 🔗 Proof | 旧 BLE 配对 |
| Storage | Encrypted with obselete encryption | 🔗 Proof | 本地加密有限 |
| Category Score | Score: 2 / 3 | ||
3. User Authentication
| Criterion | Value | Proof | Comment |
|---|---|---|---|
| Account management | Absent | 🔗 Proof | 无账户 |
| Authentication | Absent | 🔗 Proof | 配对即控 |
| Brute-force protection | Absent | 🔗 Proof | 无登录 |
| Event logging | Absent | 🔗 Proof | 无日志 |
| Passwords | Default/Common/Easy to guess | 🔗 Proof | 无密码 |
| Category Score | Score: 3 / 3 | ||
Technical Specifications
| Property | Details |
|---|---|
| Operating System & App | LiteOS (Companion App: Huawei Health) |
| Hardware (CPU / GPU) | CPU: • GPU: |
| Memory & Storage | Memory: • Storage: |
| Power, Battery & Charging | Battery: • Power: • Charging: |
| Display & Camera | Display: • Camera: |
| Sound & Connectivity | Sound: • Connectivity: |
| Physical (Dimensions & Mass) | Dimensions: 17.6 × 46 × 11.8 mm • Mass: 24g |
