| Netatmo Smart Thermostat (NTH01)
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|
Security Grade
Calculator vv1
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Netatmo Smart Thermostat
Release Date: 2021-01-12 • Status: In sale
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Security Evaluation
1. Device Security
| Criterion
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Value
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Proof
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Comment
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| Known hardware tampering
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None
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π Proof
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Wall mounted or table top thermostat with no exposed service connector and no public teardown reporting an accessible debug interface.
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| Known vulnerabilities
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None
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π Proof
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No CVE entry matching Netatmo was found in the NVD at the time of classification.
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| Prior attacks
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None
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π Proof
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No public report of botnet recruitment or exploitation of Netatmo thermostats was found.
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| Updatability
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Very common
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π Proof
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Netatmo delivers firmware updates over the air through the app and keeps the cloud API versioned.
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| Category Score
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Score: 1 / 3
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2. System Security
| Criterion
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Value
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Proof
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Comment
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| Authentication with other systems
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Partial
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π Proof
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Integration with third party systems runs through the Netatmo Connect API using OAuth 2.0, but the radio link between thermostat and receiver is not documented as cryptographically authenticated.
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| Communications
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Encrypted with up-to-date encryption
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π Proof
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Cloud and app communication use HTTPS with TLS, and the vendor documents encryption of exchanges with its servers.
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| Storage
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Encrypted with obselete encryption
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π Proof
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Measurement history is stored in the vendor cloud in the European Union under a GDPR privacy policy, but no encryption at rest is documented for data held on the device itself.
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| Category Score
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Score: 2 / 3
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3. User Authentication
| Criterion
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Value
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Proof
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Comment
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| Account management
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Basic
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π Proof
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Netatmo account with home member sharing and limited role granularity.
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| Authentication
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Basic
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π Proof
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E-mail and password login with OAuth based third party access; no mandatory second factor is documented.
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| Brute-force protection
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Basic
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π Proof
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No published documentation of failed-attempt lockout for the cloud account.
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| Event logging
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Partial logging
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π Proof
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Temperature and schedule history are available; no full security audit log is documented.
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| Passwords
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Require change after setup
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π Proof
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The account is created during setup; no enforced complexity policy is published.
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| Category Score
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Score: 2 / 3
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Technical Specifications
| Property
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Details
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| Operating System & App
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Embedded firmware (Companion App: Netatmo app / Home + Control app (iOS / Android))
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| Hardware (CPU / GPU)
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CPU: N/A • GPU: N/A
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| Memory & Storage
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Memory: N/A • Storage: N/A
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| Power, Battery & Charging
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Battery: Backup battery in the thermostat module • Power: Mains powered receiver or boiler module • Charging: N/A
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| Display & Camera
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Display: E-ink display with control dial • Camera: None
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| Sound & Connectivity
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Sound: None • Connectivity: Wi-Fi 802.11 b/g/n, Bluetooth LE, radio link to the receiver
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| Physical (Dimensions & Mass)
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Dimensions: approx. 80 x 80 x 22 mm • Mass: approx. 180 g
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Data sources: official Netatmo documentation (netatmo.com, dev.netatmo.com) and the NVD vulnerability database (nvd.nist.gov). Ratings follow the IDRS v1 (North American academic) grade calculator; the grade is computed automatically from the CRIS scores entered above.