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cve-2026-5768

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CVE-2026-5768 is a Bluetooth authentication vulnerability affecting Fourth Frontier's Frontier X2 wearable and its companion mobile applications. The flaw allows a nearby attacker to spoof ECG and other health readings by altering device functions due to missing Bluetooth authentication. CISA published a medical advisory on May 28, 2026, warning that the vulnerability impacts Frontier X Android app before version 15.0.0, Frontier X iOS app before version 25.0.0, and all versions of the Frontier X2 device firmware. This issue highlights security risks in health wearables that may inherit insecure design assumptions from consumer IoT devices.
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    CISA Warns: Frontier X2 BLE Auth Flaw Can Spoof ECG and Health Readings

    CISA on May 28, 2026 published a medical advisory for Fourth Frontier’s Frontier X mobile applications and Frontier X2 wearable, warning that missing Bluetooth authentication could let a nearby attacker alter device functions and inject fabricated health readings. The advisory is not just...
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    • ble security cisa advisory cve-2026-5768 wearable health tech
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    • Forum: Security Alerts
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