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CVE-2025-20701
PoC —CVSS 3.1
8.8 high
EPSS
9%p95
Published
()
Modified
Description
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.
- Weakness
- CWE-863
- Vector
- CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
In the news5 stories
Skullcandy Dime 3 earbuds expose users to Bluetooth hijacking
CERT/CC warns Skullcandy Dime 3 earbuds accept silent Bluetooth pairings via CVE-2025-20701, letting nearby attackers hijack audio and microphone.
CERT/CC reports the Skullcandy Dime 3 (model S2DCW) running firmware 1.0.0.28 is affected by CVE-2025-20701, a high-severity missing-authentication flaw in the Airoha Bluetooth Audio SDK. An attacker in close range can pair without user interaction, then hijack audio playback, access the headset profile, and capture live microphone audio. Skullcandy fixed the issue in firmware 1.0.0.30, but existing units have no consumer-accessible update path via the app. The flaw was discovered by ERNW researchers and affects earbud and headphone products from multiple vendors; Apple patched it for Beats Studio Buds in June.
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Skullcandy Dime 3 Bluetooth Flaw Lets Nearby Attackers Hijack Audio and Spy Through Microphone
Skullcandy Dime 3 earbuds on firmware 1.0.0.28 accept unauthenticated Bluetooth pairing via Airoha SDK flaw CVE-2025-20701, enabling audio hijack and microphone capture.
CERT/CC vulnerability note VU#859658 describes insecure Bluetooth Classic (BR/EDR) pairing on Skullcandy Dime 3 (model S2DCW) firmware 1.0.0.28, linked to CVE-2025-20701 in the Airoha Bluetooth audio SDK. The NoInputNoOutput I/O capability lets unknown nearby devices pair without pairing mode, PIN, passkey or user interaction, then bond and automatically reconnect. An attacker can hijack the A2DP audio session and access Hands-Free or Headset profiles to capture live microphone audio. Firmware 1.0.0.30 reportedly fixes the flaw, but the earbuds cannot be updated through the Skullcandy app, leaving current users without a consumer-accessible patch path.
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Skullcandy Dime 3 Bluetooth Flaw Lets Nearby Attackers Hijack Audio and Microphone
CERT/CC disclosed VU#859658: Skullcandy Dime 3 earbuds on firmware 1.0.0.28 accept unauthenticated Bluetooth pairing, letting nearby attackers hijack audio and microphone.
Skullcandy Dime 3 wireless earbuds (model S2DCW, firmware 1.0.0.28) accept Bluetooth Classic BR/EDR pairing requests from unknown devices without the owner activating pairing mode, a flaw linked to CVE-2025-20701 in Airoha Bluetooth audio SDK implementations and tracked as VU#859658 by CERT/CC. Attackers within Bluetooth range who know the device address can bond via the NoInputNoOutput configuration, establish A2DP or HFP/HSP connections, disrupt the owner's active audio session, and potentially capture live microphone audio. Firmware 1.0.0.30 addresses the issue, but Dime 3 earbuds do not support firmware updates through the Skullcandy mobile app, leaving affected users without a known upgrade path.
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VU#859658: Skullcandy Dime 3 wireless earbuds contain an unauthenticated Bluetooth pairing vulnerability
Skullcandy Dime 3 earbuds (CVE-2025-20701) accept Bluetooth pairings without owner consent, letting in-range attackers hijack audio or capture microphone; no firmware update path exists.
CERT/CC's VU#859658 describes CVE-2025-20701 in the Airoha Bluetooth audio SDK, present in Skullcandy Dime 3 (Model S2DCW) firmware 1.0.0.28. A direct Bluetooth Classic pairing request with no PIN or physical confirmation completes via NoInputNoOutput, adding the attacker's device as trusted. Attackers in radio range can hijack the A2DP audio session, access the Hands-Free/Headset profile, and capture live microphone audio. Firmware 1.0.0.30 contains the effective patch, but Skullcandy says the Dime 3 does not support app-based firmware updates, leaving existing units unpatchable.
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