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Keurig Smart Coffee Machine Sends Over 1 TB of Data in 10 Days on Wi‑Fi
A connected Keurig coffee machine sent more than one terabyte of data in ten days, to the point of saturating a Wi-Fi access point.
Over the past few days, a post published by user Nomad has been generating a lot of buzz on the X social network. He shared a screenshot showing the statistics for a Keurig K-Supreme SMART, a Wi-Fi-connected pod coffee machine. These statistics were obtained via the Ubiquiti platform.
The image shows that the coffee machine sent 1 008.45 GB of data and received 9.94 GB, all in just 10 days and 9 hours. That works out to around 97 GB per day, or an average throughput close to 9 Mbit/s continuously.
A bug or spying?
So, what on earth could this coffee machine be doing? Is it being used to mine coffee beans? Well, cryptocurrency, actually. In reality, Nomad explains that most of this traffic never left the local network. After restarting the machine and placing it in an isolated VLAN, the issue did not happen again. "It is probably a bug in their network stack," he says, adding that a similar behavior would reportedly return as soon as the device regained Internet access. Not exactly reassuring...
What makes this more troublesome is that the coffee machine only works on 2.4 GHz, and a client transmitting continuously on that band monopolizes airtime at the expense of other devices. According to Nomad, it may even have saturated his access point.
In any case, no feature justifies such a massive amount of data being transmitted over the network, even for fetching online recipes or subscribing to the capsule delivery service... Too bad we don't have a Wireshark capture to sink our teeth into! Keurig has not publicly responded so far.
What do you think?
