Dorset DG 201 Digital Lock

Security Grade

Calculator v

   Brand: Dorset (Parent: Dorset)

   Category: Smart Lock • Model / Gen: DG 201 H5_433WBSK_v2.2_220605

   Release Date: 2022-06-05 • Status: In sale

   Classification Date:  • Official Website

Security Evaluation

Criterion	Value	Proof	Comment
Known hardware tampering	Rare	🔗 Proof	No physical tamper mechanism reported.
Known vulnerabilities	Very common	🔗 Proof	CVE-2025-25650 (CVSS 9.1): NFC card data storage flaw allows cloning.
Prior attacks	Rare	🔗 Proof	No confirmed active exploitation in the wild.
Updatability	Rare	🔗 Proof	No firmware patch identified for this specific model.
Category Score	Score: 3 / 3

Criterion	Value	Proof	Comment
Authentication with other systems	No	🔗 Proof	NFC card authentication bypassed via cloned cards.
Communications	No encryption	🔗 Proof	NFC card data stored without adequate encryption.
Storage	No encryption	🔗 Proof	NFC card data stored in a manner that permits cloning.
Category Score	Score: 3 / 3

Criterion	Value	Proof	Comment
Account management	Absent	🔗 Proof	No proper credential revocation/management for cloned cards.
Authentication	Absent	🔗 Proof	Cloned NFC cards bypass authentication entirely.
Brute-force protection	Absent	🔗 Proof	Not relevant; authentication bypassed via cloning.
Event logging	Absent	🔗 Proof	No logging mentioned in advisory.
Passwords	Default/Common/Easy to guess	🔗 Proof	NFC credential cloning renders password protection moot.
Category Score	Score: 3 / 3

Property	Details
Operating System & App	Proprietary Embedded Firmware (Companion App: Unknown)
Hardware (CPU / GPU)	CPU: Unknown (Embedded SoC) • GPU: None
Memory & Storage	Memory: Unknown • Storage: Internal Flash (NFC card data)
Power, Battery & Charging	Battery: Battery Powered • Power: Battery • Charging: None
Display & Camera	Display: None • Camera: None
Sound & Connectivity	Sound: Unknown • Connectivity: NFC / RFID
Physical (Dimensions & Mass)	Dimensions: N/A • Mass: N/A

Student assignment submission for IoT security assessment.