CVE-2025-29756 MQTT implementation in Sungrow iSolarCloud allowed users to subscribe to all data of all connected inverters

SunGrow's back end users system iSolarCloud https://isolarcloud.com uses an MQTT service to transport data from the user's connected devices to the user's web browser. The MQTT server however did not have sufficient restrictions in place to limit the topics that a user could subscribe to. While...