goTenna Mesh Firmware 1.1.12

An issue was discovered on goTenna Mesh devices with app 5.5.3 and firmware 1.1.12. The verification token used for sending SMS through a goTenna server is hardcoded in the app.

An issue was discovered on goTenna Mesh devices with app 5.5.3 and firmware 1.1.12. By default, a GID is the user's phone number unless they specifically opt out. A phone number is very sensitive information because it can be tied back to individuals. The app does not encrypt the GID in messages.

An issue was discovered on goTenna Mesh devices with app 5.5.3 and firmware 1.1.12. It uses a custom implementation of encryption without any additional integrity checking mechanisms. This leaves messages malleable to an attacker that can access the message.