Rain Bird ST8O 2nd Gen Controller (ST8O-2.0)

Rain Bird ST8O 2nd Gen Controller (ST8O-2.0)
Security Grade B Calculator v	Rain Bird ST8O 2nd Gen Controller (ST8O-2.0) Brand: Rain Bird (Parent: Rain Bird Corporation) Category: Smart Irrigation Controller • Model / Gen: 2nd Generation ST8O-2.0 Release Date: 2023-10-15 • Status: In sale Classification Date: • Official Website

Security Evaluation

1. Device Security

Criterion	Value	Proof	Comment
Known hardware tampering	Rare	🔗 Proof	Weatherproof outdoor enclosure limits physical access; no exposed debug ports on production units.
Known vulnerabilities	None	🔗 Proof	No CVE vulnerabilities have been published for this 2nd generation model.
Prior attacks	None	🔗 Proof	No publicly documented attack incidents targeting this specific controller model.
Updatability	Very common	🔗 Proof	Automatic encrypted OTA firmware updates pushed directly from manufacturer.
Category Score	Score: 2 / 3

2. System Security

Criterion	Value	Proof	Comment
Authentication with other systems	Partial	🔗 Proof	Integrates with Amazon Alexa and Google Assistant via cloud API authentication.
Communications	Encrypted with up-to-date encryption	🔗 Proof	Cloud communication uses TLS 1.3 encryption; no open ports exposed to public internet by default.
Storage	Encrypted with obselete encryption	🔗 Proof	Configuration data stored in internal flash with basic obfuscation, not full AES encryption.
Category Score	Score: 2 / 3

3. User Authentication

Criterion	Value	Proof	Comment
Account management	Basic	🔗 Proof	Single owner account with device sharing; no multi-user role permissions.
Authentication	Basic	🔗 Proof	Email and password authentication; no native two-factor authentication option.
Brute-force protection	Basic	🔗 Proof	Cloud platform implements basic login attempt rate limiting.
Event logging	Partial logging	🔗 Proof	Irrigation schedule and watering events are logged; full account access audit is not provided.
Passwords	Require change after setup	🔗 Proof	No default device credentials; account password set by user during registration.
Category Score	Score: 2 / 3

Technical Specifications

Property	Details
Operating System & App	Embedded Linux (Companion App: Rain Bird App)
Hardware (CPU / GPU)	CPU: ARM Cortex-A7 single-core processor • GPU: None
Memory & Storage	Memory: 64MB DDR2 RAM • Storage: 128MB NAND flash
Power, Battery & Charging	Battery: 9V battery backup for clock • Power: 24V AC mains power • Charging: N/A (mains powered)
Display & Camera	Display: LED status indicators • Camera: None
Sound & Connectivity	Sound: No speaker • Connectivity: 2.4GHz Wi-Fi (802.11 b/g/n)
Physical (Dimensions & Mass)	Dimensions: 17.8 × 12.7 × 5.1 cm • Mass: 0.68 kg