CVE-2025-20700
📋 TL;DR
This vulnerability in Airoha's Bluetooth audio SDK allows attackers to bypass permissions and access critical RACE protocol data via Bluetooth LE GATT services without user interaction. It enables remote privilege escalation on affected Bluetooth audio devices. Any device using vulnerable Airoha Bluetooth SDK versions is potentially affected.
💻 Affected Systems
- Devices using Airoha Bluetooth audio SDK
⚠️ 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 device compromise allowing attacker to execute arbitrary code, steal sensitive data, and maintain persistent access to Bluetooth-enabled devices within range.
Likely Case
Unauthorized access to device data and functionality, potential for eavesdropping on audio streams, and device manipulation through the RACE protocol.
If Mitigated
Limited impact if Bluetooth is disabled or devices are not within attacker proximity, though the vulnerability requires no user interaction.
🎯 Exploit Status
No user interaction required; exploitation occurs via Bluetooth LE within physical proximity
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Check vendor advisory for specific patched SDK versions
Vendor Advisory: https://www.airoha.com/product-security-bulletin/2025
Restart Required: Yes
Instructions:
1. Contact device manufacturer for firmware updates. 2. Apply manufacturer-provided firmware patches. 3. Restart affected devices after patching.
🔧 Temporary Workarounds
Disable Bluetooth when not in use
allTurn off Bluetooth functionality to prevent exploitation attempts
Limit Bluetooth visibility
allSet devices to non-discoverable mode to reduce attack surface
🧯 If You Can't Patch
- Physically isolate affected devices from untrusted Bluetooth environments
- Implement network segmentation to limit potential lateral movement from compromised devices
🔍 How to Verify
Check if Vulnerable:
Check device firmware version against manufacturer's vulnerability list; devices using Airoha Bluetooth SDK may be affectedCheck Version:
Manufacturer-specific command; typically accessed through device management interface or mobile appVerify Fix Applied:
Verify firmware version matches manufacturer's patched version; test Bluetooth functionality remains operational📡 Detection & Monitoring
Log Indicators:
- Unusual Bluetooth connection attempts
- Unexpected GATT service access patterns
- Multiple failed authentication attempts via Bluetooth
Network Indicators:
- Suspicious Bluetooth LE traffic patterns
- Unauthorized GATT service queries
- Abnormal RACE protocol data transfers
SIEM Query:
bluetooth AND (gatt OR race) AND (access OR bypass) | stats count by src_mac, dst_mac