Midea BreezeleSS+ Air Conditioner

Security Grade

A+

Calculator v1

   Brand: Midea (Parent: Midea Group)

   Category: Air Conditioner • Model / Gen: Air100 Series / 2023+ Models Various models (e.g., KFR-35GW/BP3DN8Y-Air100)

   Release Date: 2023-03-01 • Status: In sale

   Classification Date: 2025-10-11 • Official Website

Security Evaluation

Criterion	Value	Proof	Comment
Known hardware tampering	None	🔗 Proof	Sealed consumer appliance, not designed for user servicing. Physical access requires disassembly. No public reports of supply chain tampering.
Known vulnerabilities	None	🔗 Proof	Runs a locked-down, single-purpose firmware. Midea addresses potential security issues via mandatory, automatic OTA updates.
Prior attacks	None	🔗 Proof	No publicly documented, widespread security breaches specifically targeting Midea smart air conditioners.
Updatability	Very common	🔗 Proof	Firmware is updated automatically and frequently Over-the-Air (OTA) via the cloud to add new features and apply security patches.
Category Score	Score: 1 / 3

Criterion	Value	Proof	Comment
Authentication with other systems	Full	🔗 Proof	The air conditioner authenticates securely with the Midea M-Smart cloud platform to enable remote control and data synchronization.
Communications	Encrypted with up-to-date encryption	🔗 Proof	All communications between the device, the companion app, and Midea's cloud are encrypted using standard TLS.
Storage	Encrypted with up-to-date encryption	🔗 Proof	User data (schedules, settings) is stored encrypted at rest on Midea's secure cloud servers.
Category Score	Score: 1 / 3

Criterion	Value	Proof	Comment
Account management	Full	🔗 Proof	A Midea account (created via the Meiju/Midea Air app) is mandatory for all smart functionalities.
Authentication	Secure	🔗 Proof	Authentication is handled by the cloud-based Midea account, which is protected by a standard password.
Brute-force protection	Exist	🔗 Proof	Midea's cloud account system includes standard server-side protections against brute-force login attempts.
Event logging	Access event logged	🔗 Proof	User account login events are logged on Midea's servers for security and auditing purposes.
Passwords	Require change after setup with complexity requirements	🔗 Proof	The Midea account creation process enforces standard password complexity rules.
Category Score	Score: 1 / 3

Property	Details
Operating System & App	Proprietary firmware (Companion App: Midea Air App (for iOS and Android))
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: ~895 x 298 x 212 mm (Typical indoor unit) • Mass: ~11 kg (Typical indoor unit)