New TETRA Radio Encryption Flaws Expose Law Enforcement Communications

Cybersecurity researchers have discovered a fresh set of security issues in the Terrestrial Trunked Radio (TETRA) communications protocol, including in its proprietary end-to-end encryption (E2EE) mechanism that exposes the system to replay and brute-force attacks, and even decrypt encrypted traffic. Details of the vulnerabilities – dubbed 2TETRA:2BURST – were presented at the Black Hat USA

source https://thehackernews.com/2025/08/new-tetra-radio-encryption-flaws-expose.html