An issue was discovered on goTenna v1 devices with app 5.5.3 and firmware 0.25.5. The app uses a custom implementation of encryption without any additional integrity checking mechanisms. This leaves messages malleable to an attacker that can access the message.
CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N
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