Amazon smart doorbells endanger Wi-Fi home networks and passwords

Amazon smart doorbells
Written by Emma Davis

Bitdefender experts identified a dangerous problem in the Amazon Doorbell Ring Smart Doorbell Pro doorbells.

Internet-connected calls could be used to intercept the owner’s Wi-Fi credentials.

“Bitdefender researchers have discovered an issue in Amazon’s Ring Video Doorbell Pro IoT device that allows an attacker physically near the device to intercept the owner’s Wi-Fi network credentials and possibly mount a larger attack against the household network”, — argue Bitdefender specialists.

Ring Video Doorbell Pro is a smart camera combined with a bell, and the device allows the user to see, hear and talk with someone standing near the door from anywhere in the world. To do this, a smart call must be connected to a Wi-Fi network, which will allow remotely accessing it through a special application.

The problem discovered by the researchers is that with the while configuring the device for the first time and providing it with a password for Wi-Fi, should be entered special configuration mode. At this time, a built-in insecure wireless access point is activated at the call, which allows the mobile application to automatically connect to it.

In addition to using an access point without a password, there is one more problem: data exchange between the application and the call is not secure through normal HTTP, and it is at this point that the user tells the device the Wi-Fi password, which is ultimately transmitted in clear text.

Password is transmitted in clear text

Password is transmitted in clear text

Thus, an attacker that is nearby can connect to this unprotected access point while the configuration process is in progress and steal the Wi-Fi password using the man-in-the-middle attack.

Since the attack can only be carried out during device setup, the researchers proposed a method by which an attacker could force the user to initiate the Ring Video Doorbell Pro configuration again. For example, this can be achieved by continuously sending deauthentication packets to the device so that the device is removed from the wireless network. Then the application will lose contact with the call and inform the user about the need to reconfigure the device.

Read also: Phantom TVs steal money from Amazon users

A fix for this vulnerability has already been released in Ring Video Doorbell Pro, so users are advised to make sure that they have the latest software installed.

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About the author

Emma Davis

I'm writer and content manager (a short time ago completed a bachelor degree in Marketing from the Gustavus Adolphus College). For now, I have a deep drive to study cyber security.

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