(Image credit: Getty Images) A security researcher has published a method for lifting the client certificate off a Shark robot vacuum and using it to run root commands on other Shark vacuums across the same Amazon Web Services region, exposing live camera feeds, stored home maps, and Wi-Fi credentials held in plaintext. The researcher, who publishes under the handle tokay0, published the technique on Monday and says he first reported it to SharkNinja on March 1. As of the time of writing, the flaw is still unpatched, requiring a fix that sits entirely on SharkNinja's side of the cloud rather than on the robot. Go deeper with TH Premium: AI and data centers The problem is an over-permissive AWS IoT policy. The certificate that a Shark vacuum uses to authenticate to Amazon's cloud broker was never restricted to the device carrying it, so a certificate pulled from one unit can subscribe to fleet-wide traffic and publish commands addressed to any device the broker serves.…