AnalysisPublished 21 Jan 2026

How to protect yourself from Bluetooth-headset tracking and the WhisperPair attack | Kaspersky official blog

Source Kaspersky Security Blog

Mentions 1 CVE

Mentioned vulnerabilities

CVE-2025-36911

Description

With the WhisperPair attack, a stranger can pair their device with your headphones to keep tabs on your location.

Impact

For European organizations, the WhisperPair vulnerability presents several risks. Unauthorized pairing and remote tracking can lead to privacy violations and potential corporate espionage, especially in sectors where sensitive discussions occur over Bluetooth headsets, such as finance, legal, government, and healthcare. The ability to remotely track employees’ locations via their headphones can expose physical movement patterns, compromising operational security and personal privacy. Eavesdropping through the headset microphone can lead to leakage of confidential information. The attack’s ease and speed (approximately 10 seconds) mean it can be executed stealthily in public or semi-public spaces such as offices, transport hubs, or conference venues. Organizations with a mixed device ecosystem (iOS, Windows, Linux) and employees using vulnerable headphones without Android pairing are at higher risk. The lack of widespread firmware updates and delayed Android OS patch adoption prolongs exposure. Additionally, the attack undermines trust in Bluetooth accessories, potentially increasing operational costs due to the need for device replacement or additional security controls. Overall, the vulnerability threatens confidentiality, integrity, and privacy of communications and location data within European enterprises.

Defensive guidance

1. Inventory all Bluetooth headphones and headsets used within the organization, identifying models from vulnerable brands (Sony, JBL, Redmi, Anker, Marshall, Jabra, OnePlus, Google Pixel Buds 2, etc.). 2. Check for and apply firmware updates provided by manufacturers that address the WhisperPair vulnerability; use official companion apps to update devices. 3. Perform factory resets on all Bluetooth headsets after firmware updates to clear any unauthorized pairings. 4. For devices without available firmware updates, pair the headphones with a trusted Android device to establish ownership and prevent unauthorized pairing. 5. Educate employees about the risks of using vulnerable Bluetooth accessories, especially when operating in public or semi-public spaces. 6. Implement policies restricting the use of vulnerable Bluetooth devices in sensitive areas or during confidential meetings. 7. Monitor network and endpoint logs for unusual Bluetooth activity or unauthorized device pairings. 8. Encourage timely installation of Android OS updates that mitigate location reporting of hijacked devices. 9. Consider deploying Bluetooth security solutions that detect and alert on suspicious pairing attempts or unauthorized Bluetooth activity. 10. Engage with manufacturers and suppliers to prioritize secure Bluetooth device procurement and demand timely security patches.

References

kaspersky.com/blog/whisperpair-blueooth-headset-location-tracking/55162/ (opens in a new tab)

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Description

AI analysisMachine-generated, updated 21 Jan 2026, 11:52 UTC

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