Coolpad Daguan 3

Classification

Coolpad Daguan 3
Classification
Grade	B
Calculator version	1
Classification date	2025-10-08
Information
Name	Coolpad Daguan 3
Brand by Parent	Coolpad by Coolpad
Generation	32th
Model(s)	A3101, A3103, A3104, A3105, A2848, A3102, A3106
Release date	2025-09-03
Type/Category	Smartphone
Website	[1]
Status
More
Dimensions	146.6 mm x 70.6 mm x 8.25 mm
Mass	187 g
Operating system	Android
Companion App	https://www.coolpad.com/#/
CPU
GPU
Memory
Storage
Battery
Power
Charging
Display
Camera
Sound
Connectivity

Device
Criterion	Value	Proof(s)	Comment
Known hardware tampering	None	[2]	As a legitimate brand device, widespread hardware backdoors are uncommon. However, risks in the low-end supply chain cannot be entirely ruled out.
Known vulnerabilities	Very common	[3]	Runs an old Android version with no ongoing security patches, leaving it exposed to numerous publicly known vulnerabilities.
Prior attacks	None	[4]	No widely reported targeted attacks, but the high vulnerability count makes it susceptible to generic malware.
Updatability	None	[5]	Official support for both OS upgrades and security patches has been discontinued.
Category score	2

System
Criterion	Value	Proof(s)	Comment
Authentication with other systems	Full	[6]	Supports basic screen lock methods (pattern, PIN, password). Unlikely to have a Trusted Execution Environment (TEE) for enhanced security.
Communications	No encryption	[7]	Relies on basic knowledge factors (PIN/pattern). Lacks more secure factors like a fingerprint sensor or facial recognition.
Storage	Encrypted with up-to-date encryption	[8]	Likely uses legacy Full-Disk Encryption (FDE) which is considered less secure than modern File-Based Encryption (FBE). The encryption strength may be outdated.
Category score	2

User Authentication
Criterion	Value	Proof(s)	Comment
Account management	Full	[9]	Supports basic screen lock methods (pattern, PIN, password). Unlikely to have a Trusted Execution Environment (TEE) for enhanced security.
Authentication	Secure	[10]	Relies on basic knowledge factors (PIN/pattern). Lacks more secure factors like a fingerprint sensor or facial recognition.
Brute-force protection	Absent	[11]	Includes fundamental protections like timed delays after repeated failed unlock attempts.
Event logging	Access event logged	[12]	The system has basic logging capabilities, but these are not accessible to users and unlikely to detail security-specific events.
Passwords	Require change after setup with complexity requirements	[13]	No evidence of forced password change or complexity requirements upon first use. Security relies heavily on user awareness.
Category score	2

Grade	B