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TETRA:BURST — 5 New Vulnerabilities Exposed in Widely Used Radio Communication System

July 25, 2023

A set of five security vulnerabilities have been disclosed in the Terrestrial Trunked Radio (TETRA) standard for radio communication used widely by government entities and critical infrastructure sectors, including what’s believed to be an intentional backdoor that could have potentially exposed sensitive information.

The issues, discovered by Midnight Blue in 2021 and held back until now, have been collectively called TETRA:BURST. There is no conclusive evidence to determine that the vulnerabilities have been exploited in the wild to date.

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