Edit Classification: Shelly 1PM (SHELLY1PM)

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1. General Information

Product full name *
Brand * (see Category:Brand)
Parent company (see Category:Brand)
Website *
Release date *
Generation / Model(s)	Gen: • Model:
Type/Category * (see Category:Product)
Status
Dimensions & Mass	Dim: • Mass:
Operating System & App	OS: • Companion App:

2. Hardware Specifications

CPU / GPU	CPU: • GPU:
Memory / Storage	RAM: • Storage:
Power, Battery & Charging	Battery: • Power: • Charging:
Display & Camera	Display: • Camera:
Sound & Connectivity	Sound: • Connectivity:

3. Security Classification

Device Security

Criterion	Value *	Proof URLs (Paste URLs directly)
Known hardware tampering	None Rare Very common	https://zyber.se/blog/iot-shelly
Known vulnerabilities	None Rare Very common	https://www.cve.org/CVERecord?id=CVE-2025-11243
Prior attacks	None Rare Very common	https://nvd.nist.gov/vuln/detail/CVE-2025-11243
Updatability	Very common Rare None	https://zyber.se/blog/iot-shelly

System Security

Criterion	Value *	Proof URLs (Paste URLs directly)
Authentication with other systems	Full Partial No	https://mallory.ai/vulnerabilities/CVE-2025-11243
Communications	Encrypted with up-to-date encryption Encrypted with obselete encryption No encryption	https://zyber.se/blog/iot-shelly
Storage	Encrypted with up-to-date encryption Encrypted with obselete encryption No encryption	https://zyber.se/blog/iot-shelly

User Authentication

Criterion	Value *	Proof URLs (Paste URLs directly)
Account management	Full Basic Absent	https://mallory.ai/vulnerabilities/CVE-2025-11243
Authentication	Secure Basic Absent	https://zyber.se/blog/iot-shelly
Brute-force protection	Exist Basic Absent	https://zyber.se/blog/iot-shelly
Event logging	Access event logged Partial logging Absent	https://mallory.ai/vulnerabilities/CVE-2025-11243
Passwords	Require change after setup with complexity requirements Require change after setup Default/Common/Easy to guess	https://zyber.se/blog/iot-shelly

4. Reserved for Admins / Sysops

Latest classification date
Grade Calculator version

Free text / Notes:

Overall assessment: The Shelly 1PM is a competent Gen1 Wi-Fi relay with active OTA support and TLS-protected cloud/MQTT channels. Its main weaknesses are opt-in local authentication (off by default), no brute-force lockout, unencrypted local HTTP, and no documented encryption at rest for Wi-Fi credentials. Known CVE-2025-11243 affects the Shelly Pro line, not this model, but it demonstrates weaknesses in the shared local API design. [[Category:Calculator v1]]

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Edit Classification: Shelly 1PM (SHELLY1PM)

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Edit Classification: Shelly 1PM (SHELLY1PM)

1. General Information

2. Hardware Specifications

3. Security Classification

Device Security

System Security

User Authentication

4. Reserved for Admins / Sysops

Free text / Notes:

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