CVE-2025-20702
📋 TL;DR
This vulnerability in the Airoha Bluetooth audio SDK allows unauthorized access to the RACE protocol, enabling remote attackers to escalate privileges without user interaction. It affects devices using Airoha Bluetooth chipsets with vulnerable SDK implementations. Attackers can exploit this to gain elevated control over affected audio devices.
💻 Affected Systems
- Devices using Airoha Bluetooth audio chipsets (headphones, speakers, hearing aids, IoT audio devices)
⚠️ Manual Verification Required
This CVE does not have specific version information in our database, so automatic vulnerability detection cannot determine if your system is affected.
Why? The CVE database entry doesn't specify which versions are vulnerable (no version ranges provided by the vendor/NVD).
🔒 Custom verification scripts are available for registered users. Sign up free to download automated test scripts.
- Review the CVE details at NVD
- Check vendor security advisories for your specific version
- Test if the vulnerability is exploitable in your environment
- Consider updating to the latest version as a precaution
⚠️ Risk & Real-World Impact
Worst Case
Complete compromise of Bluetooth-enabled audio devices, allowing attackers to execute arbitrary code, intercept audio streams, or use devices as footholds for network attacks.
Likely Case
Unauthorized access to device functions, potential audio eavesdropping, and device manipulation without user knowledge.
If Mitigated
Limited impact if Bluetooth is disabled or devices are isolated from untrusted networks.
🎯 Exploit Status
No user interaction required; exploitation likely requires proximity or network access to Bluetooth device.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Not specified in advisory; contact Airoha for patched SDK version
Vendor Advisory: https://www.airoha.com/product-security-bulletin/2025
Restart Required: Yes
Instructions:
1. Contact Airoha for patched SDK version. 2. Update firmware on affected devices using manufacturer's update process. 3. Restart devices after update.
🔧 Temporary Workarounds
Disable Bluetooth when not in use
allTurn off Bluetooth functionality to prevent remote exploitation
Device-specific Bluetooth disable command
Restrict Bluetooth pairing
allConfigure devices to only pair with trusted devices
Device-specific pairing restriction command
🧯 If You Can't Patch
- Segment Bluetooth devices on isolated network segments
- Implement physical security controls to limit Bluetooth range
🔍 How to Verify
Check if Vulnerable:
Check device firmware version against vendor advisory; devices using Airoha Bluetooth chipsets are potentially vulnerableCheck Version:
Device-specific firmware version check command (varies by manufacturer)Verify Fix Applied:
Verify firmware has been updated to version containing Airoha's security patch📡 Detection & Monitoring
Log Indicators:
- Unusual Bluetooth connection attempts
- Unexpected RACE protocol activity
- Firmware modification alerts
Network Indicators:
- Anomalous Bluetooth traffic patterns
- Unauthorized RACE protocol communications
SIEM Query:
bluetooth AND (race OR airoha) AND (unauthorized OR exploit)