CVE-2019-19194 | BDVDB-2026-130778 Detail

Description#

The Bluetooth Low Energy Secure Manager Protocol (SMP) implementation on Telink Semiconductor BLE SDK versions before November 2019 for TLSR8x5x through 3.4.0, TLSR823x through 1.3.0, and TLSR826x through 3.3 devices installs a zero long term key (LTK) if an out-of-order link-layer encryption request is received during Secure Connections pairing. An attacker in radio range can have arbitrary read/write access to protected GATT service data, cause a device crash, or possibly control a device's function by establishing an encrypted session with the zero LTK.

Impact#

Weaknesses#

References#

Exploit#

History#

1. Version 12020-02-12Record published in the CVE List.
2. Version 22024-08-05Most recent update recorded in the CVE List.