VU#859658: Skullcandy Dime 3 wireless earbuds contain an unauthenticated Bluetooth pairing vulnerability

Skullcandy Dime 3 wireless earbuds, running firmware version 1.0.0.28, accept a new Bluetooth Classic (BR/EDR) pairing request from an unpaired device without requiring the earbuds to be placed into pairing mode or requiring any physical confirmation or interaction from the owner.

The Skullcandy Dime 3 (Model S2DCW) wireless earbuds, running firmware version 1.0.0.28, accept a new Bluetooth Classic (BR/EDR) pairing request from a previously unpaired device without the device being placed into pairing mode by the owner and without physical confirmation on the earbuds. The device's Bluetooth PnP modalias identifies the chipset vendor as Airoha Technology Corp. (Bluetooth SIG company ID 0x0094). This vulnerability was previously disclosed in CVE-2025-20701 and is described as: In the Airoha Bluetooth audio SDK, there is a possible way to pair Bluetooth audio device without user consent. This could lead to remote escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.

An attacker is required to be within Bluetooth radio range to the target earbuds, but no prior pairing, physical access, or interaction with the earbuds' buttons or case is required to exploit the vulnerability. A direct pairing request to the earbuds' known or discovered Bluetooth Classic address can be sent without a PIN, passkey, or physical confirmation. The pairing/bonding completes without owner action due to the device's NoInputNoOutput I/O capability. The firmware version displayed on the affected Skullcandy Dime 3 wireless earbuds is 1.0.0.28.