Honeywell Lyric T6 Pro WiFi Thermostat TH6320WF2003

Honeywell Lyric T6 Pro WiFi Thermostat TH6320WF2003
Security Grade A Calculator v1	Honeywell Lyric T6 Pro WiFi Programmable Thermostat Brand: Honeywell (Parent: Honeywell International Inc.) Category: Smart Thermostat • Model / Gen: 1 TH6320WF2003 Release Date: 2018-09-01 • Status: In sale Classification Date: 2025-10-05 • Official Website

Security Evaluation

1. Device Security

Criterion	Value	Proof	Comment
Known hardware tampering	None	🔗 Proof
Known vulnerabilities	Rare	🔗 Proof
Prior attacks	Rare	🔗 Proof
Updatability	Very common	🔗 Proof
Category Score	Score: 2 / 3

2. System Security

Criterion	Value	Proof	Comment
Authentication with other systems	Full	🔗 Proof
Communications	Encrypted with up-to-date encryption	🔗 Proof
Storage	Encrypted with up-to-date encryption	🔗 Proof
Category Score	Score: 1 / 3

3. User Authentication

Criterion	Value	Proof	Comment
Account management	Full	🔗 Proof
Authentication	Secure	🔗 Proof
Brute-force protection	Exist	🔗 Proof
Event logging	Access event logged	🔗 Proof
Passwords	Require change after setup with complexity requirements	🔗 Proof
Category Score	Score: 1 / 3

Technical Specifications

Property	Details
Operating System & App	Proprietary embedded OS (Companion App: Honeywell Home App)
Hardware (CPU / GPU)	CPU: ARM Cortex-M4 processor • GPU:
Memory & Storage	Memory: 512KB RAM • Storage: 2MB flash memory
Power, Battery & Charging	Battery: CR2032 backup battery • Power: 24V AC (C-wire required) • Charging:
Display & Camera	Display: 3.5" color touchscreen LCD • Camera:
Sound & Connectivity	Sound: • Connectivity: Wi-Fi 802.11 b/g/n (2.4GHz)
Physical (Dimensions & Mass)	Dimensions: 95 x 95 x 25mm • Mass: Mass: 270g