Redmi Buds 6 Pro (25038RB11G)

Redmi Buds 6 Pro (25038RB11G)
Security Grade B Calculator v	Redmi Buds 6 Pro Brand: Redmi (Parent: Xiaomi Corporation) Category: wireless earbuds • Model / Gen: Buds 6 Series 25038RB11G Release Date: 2025-12-01 • Status: In sale Classification Date: • [[1](https://www.mi.com/global/product/redmi)‑buds‑6‑pro/ Official Website]

Security Evaluation

1. Device Security

Criterion	Value	Proof	Comment
Known hardware tampering	Rare	[[2](https://trust.mi.com/zh)‑CN/misrc/updates/audio 🔗 Proof]	Compact earbud shell; public hardware tampering exploits for this audio device are limited.
Known vulnerabilities	Rare	[[3](https://trust.mi.com/zh)‑CN/misrc/updates/audio 🔗 Proof]	Few known public vulnerabilities; vendor pushes regular HyperOS audio firmware patches.
Prior attacks	None	[[4](https://trust.mi.com/zh)‑CN/misrc/updates/audio 🔗 Proof]	No large‑scale real‑world public attacks targeting this exact earbud model.
Updatability	Very common	[[5](https://trust.mi.com/zh)‑CN/misrc/updates/audio 🔗 Proof]	Regular official OTA firmware and security updates are provided.
Category Score	Score: 2 / 3

2. System Security

Criterion	Value	Proof	Comment
Authentication with other systems	Partial	[[6](https://trust.mi.com/zh)‑CN/misrc/updates/audio 🔗 Proof]	Requires pairing with Mi‑account; full cross‑device mutual authentication is limited.
Communications	Encrypted with up-to-date encryption	[[7](https://trust.mi.com/zh)‑CN/misrc/updates/audio 🔗 Proof]	Bluetooth audio and control data use modern encryption protocols.
Storage	Encrypted with up-to-date encryption	[[8](https://trust.mi.com/zh)‑CN/misrc/updates/audio 🔗 Proof]	Local earbud storage is encrypted by HyperOS audio firmware.
Category Score	Score: 2 / 3

3. User Authentication

Criterion	Value	Proof	Comment
Account management	Full	[[9](https://trust.mi.com/zh)‑CN/misrc/updates/audio 🔗 Proof]	Bound to Mi account, supports device binding and permission management.
Authentication	Secure	[[10](https://trust.mi.com/zh)‑CN/misrc/updates/audio 🔗 Proof]	Secure Bluetooth pairing authentication, no hard‑coded default credentials.
Brute-force protection	Exist	[[11](https://trust.mi.com/zh)‑CN/misrc/updates/audio 🔗 Proof]	Lock‑out mechanism for repeated failed pairing attempts.
Event logging	Partial logging	[[12](https://trust.mi.com/zh)‑CN/misrc/updates/audio 🔗 Proof]	Partial pairing and security‑related events are logged locally.
Passwords	Require change after setup with complexity requirements	[[13](https://trust.mi.com/zh)‑CN/misrc/updates/audio 🔗 Proof]	Mi‑account password complexity rules apply for bound access.
Category Score	Score: 2 / 3

Technical Specifications

Property	Details
Operating System & App	Xiaomi HyperOS for audio wearable (Companion App: Mi Fitness / Xiaomi Earbuds)
Hardware (CPU / GPU)	CPU: Low-power audio dedicated wearable chip • GPU: Not applicable
Memory & Storage	Memory: 16MB RAM • Storage: 128MB local storage
Power, Battery & Charging	Battery: 54mAh per earbud, 480mAh charging case • Power: 5V wired charging • Charging: USB‑C port
Display & Camera	Display: Not applicable • Camera: Not applicable
Sound & Connectivity	Sound: Coaxial three-driver system, 55dB deep active noise cancellation, transparent mode, support spatial audio with head tracking • Connectivity: Bluetooth 5.3, LDAC / MIHC / LC3 codec, triple microphones for AI call noise reduction, IP54 dust and splash resistance, dual-device connection
Physical (Dimensions & Mass)	Dimensions: Earbud: 30.6 × 21.4 × 24.5 mm; Charging case: 61.05 × 48.28 × 25.17 mm • Mass: 5.2 g per earbud, charging case 36.1 g

This is Redmi Buds 6 Pro (model 25038RB11G), a mid-range TWS wireless earbud running Xiaomi HyperOS audio wearable firmware. It receives regular official OTA firmware and security updates, supports encrypted Bluetooth audio and control communication as well as local storage encryption. It adopts Mi‑account‑bound pairing authentication, has brute‑force protection for pairing attempts and partial local security event logging. Its compact shell raises tampering difficulty; known vulnerabilities are limited and patched timely by vendor.