Tchibo Cafissimo XS Circle Connect
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| Tchibo Cafissimo XS Circle Connect | ||
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Security Grade
Calculator v1
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Tchibo Cafissimo XS Circle Connect
Brand: Tchibo (Parent: Tchibo GmbH) Category: Coffee Machine • Model / Gen: XS Circle Cafissimo XS Circle Connect Release Date: 2021-04-19 • Status: End of sale Classification Date: 2025-09-24 • Official Website | |
Contents
Security Evaluation
1. Device Security
| Criterion | Value | Proof | Comment |
|---|---|---|---|
| Known hardware tampering | None | — | As a kitchen appliance, physical tampering will cause malfunctions and yield no direct benefits, so it is extremely rare. |
| Known vulnerabilities | Rare | [Link to the Home Connect Platform Security Assessment 🔗 Proof] | The security risks lie not primarily in the coffee machine itself, but in the cloud platform (Home Connect) and mobile app it connects to. |
| Prior attacks | None | — | There are no public reports of malicious attacks targeting this coffee machine, and the motivation for such attacks is low. |
| Updatability | Rare | — | Firmware updates for such devices are usually extremely difficult to obtain or not available at all. Their security relies on the initial design. |
| Category Score | Score: 2 / 3 | ||
2. System Security
| Criterion | Value | Proof | Comment |
|---|---|---|---|
| Authentication with other systems | Partial | [Home Connect Platform Documentation 🔗 Proof] | Authentication is performed via the Home Connect cloud service, and its security depends on the standards of this platform. |
| Communications | Encrypted with up-to-date encryption | [(Assumed) TLS is used 🔗 Proof] | Communications with Home Connect servers should be encrypted. |
| Storage | No encryption | — | User preferences (such as coffee quantity) stored locally on the device are highly likely unencrypted, but their sensitivity is low. |
| Category Score | Score: 2 / 3 | ||
3. User Authentication
| Criterion | Value | Proof | Comment |
|---|---|---|---|
| Account management | Basic | [Tchibo/Home Connect Account. 🔗 Proof] | Relies on the Home Connect account system. |
| Authentication | Basic | [Username/Password. 🔗 Proof] | Typically, it relies solely on the app account password, with no authentication on the device itself. |
| Brute-force protection | Exist | — | Protection exists at the cloud platform level. |
| Event logging | Partial logging | — | It may record power-on/power-off events and error codes, but there are no detailed security logs. |
| Passwords | Default/Common/Easy to guess | — | If the user does not change the default Wi-Fi password or uses a weak password, the device may be hijacked. |
| Category Score | Score: 2 / 3 | ||
Technical Specifications
| Property | Details |
|---|---|
| Operating System & App | Embedded RTOS (Companion App: Tchibo Coffee App) |
| Hardware (CPU / GPU) | CPU: Low-power ARM microcontroller • GPU: |
| Memory & Storage | Memory: • Storage: A small amount, used for storing user presets |
| Power, Battery & Charging | Battery: • Power: 1300W, 220-240V AC • Charging: |
| Display & Camera | Display: Monochrome LCD or LED indicator light • Camera: |
| Sound & Connectivity | Sound: Buzzer (indication sound) • Connectivity: Wi-Fi |
| Physical (Dimensions & Mass) | Dimensions: 4cm x 34cm x 38cm • Mass: 4.5 kg |
