Sonos One SL

Security Grade

A-

Calculator v1

Sonos One SL

   Brand: Sonos (Parent: Sonos, Inc.)

   Category: Smart Speaker (voice assistant optional) • Model / Gen: 1st (simplified version of Sonos One) Sonos One SL, S17B1US

   Release Date: 2018-08-01 • Status: In sale

   Classification Date: 2025-10-05 • Official Website

Security Evaluation

Criterion	Value	Proof	Comment
Known hardware tampering	None	🔗 Proof	Physical design discourages tampering, with no reported hardware vulnerabilities.
Known vulnerabilities	Rare	🔗 Proof	Sonos regularly releases firmware updates to address security issues (e.g., CVE-2021-23608 fixed in 2021).
Prior attacks	Rare	🔗 Proof	Isolated cases of vulnerabilities (e.g., 2021 remote code execution flaw) quickly mitigated.
Updatability	Very common	🔗 Proof	Firmware updates automatically pushed over Wi-Fi to add features and security patches.
Category Score	Score: 2 / 3

Criterion	Value	Proof	Comment
Authentication with other systems	Full	🔗 Proof	Integrates with major voice assistants and streaming services (e.g., Spotify, Apple Music).
Communications	Encrypted with up-to-date encryption	🔗 Proof	Audio streams and data transfers encrypted between speakers and the cloud.
Storage	Encrypted with up-to-date encryption	🔗 Proof	Device settings and preferences stored with encryption; no audio content stored.
Category Score	Score: 1 / 3

Criterion	Value	Proof	Comment
Account management	Full	🔗 Proof	Manage device grouping, audio settings, and service integrations via Sonos Account.
Authentication	Secure	🔗 Proof	Log in with Sonos Account credentials; 2FA available for enhanc
Brute-force protection	Exist	🔗 Proof	Prevents repeated login attempts to protect against brute-force attacks.
Event logging	Partial logging	🔗 Proof	Logs app access, device pairing, and firmware update events in account history.
Passwords	Require change after setup with complexity requirements	🔗 Proof	Must include letters, numbers, and symbols; users can update passwords via account settings.
Category Score	Score: 2 / 3

Property	Details
Operating System & App	Sonos S2 OS (compatible with Sonos S2 app) (Companion App: Sonos App (iOS, Android, macOS, Windows))
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: 6.9 x 4.7 x 4.7 inches (H×W×D) • Mass: 3.08 kg