CVE-2025-32330
📋 TL;DR
This vulnerability allows attackers within Bluetooth range to intercept Auracast audio streams on Android devices due to an insecure default password generation algorithm. It affects Android devices with Bluetooth LE Audio capabilities, requiring no user interaction or special privileges for exploitation.
💻 Affected Systems
- Android
📦 What is this software?
Android by Google
Android by Google
Android by Google
⚠️ Risk & Real-World Impact
Worst Case
Sensitive audio communications (private conversations, meetings, media playback) could be intercepted by nearby attackers, leading to privacy violations and potential information disclosure.
Likely Case
Attackers in proximity could eavesdrop on audio streams from vulnerable devices, potentially capturing personal conversations or media content.
If Mitigated
With proper patching, audio streams remain encrypted and protected from unauthorized interception.
🎯 Exploit Status
Exploitation requires proximity to target device and Bluetooth scanning capability
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Android Security Bulletin September 2025 patches
Vendor Advisory: https://source.android.com/security/bulletin/2025-09-01
Restart Required: No
Instructions:
1. Apply Android security updates from September 2025 or later
2. Ensure device receives and installs the latest security patches
3. Verify patch installation through device settings
🔧 Temporary Workarounds
Disable Bluetooth LE Audio/Auracast
AndroidTemporarily disable Bluetooth LE Audio features to prevent exploitation
Navigate to Settings > Connected devices > Connection preferences > Bluetooth > Disable 'Auracast' or 'LE Audio' if available
Disable Bluetooth when not in use
AndroidTurn off Bluetooth to completely prevent proximity-based attacks
Settings > Connected devices > Connection preferences > Bluetooth > Toggle off
🧯 If You Can't Patch
- Disable Bluetooth LE Audio/Auracast features in device settings
- Use wired audio connections or alternative wireless audio technologies
🔍 How to Verify
Check if Vulnerable:
Check if device has Bluetooth LE Audio capability and is running Android versions before September 2025 security patchesCheck Version:
adb shell getprop ro.build.version.security_patchVerify Fix Applied:
Verify Android security patch level is September 2025 or later in Settings > About phone > Android version > Security patch level📡 Detection & Monitoring
Log Indicators:
- Unusual Bluetooth connection attempts
- Multiple failed pairing attempts from unknown devices
- Bluetooth stack errors related to Auracast
Network Indicators:
- Suspicious Bluetooth LE broadcast traffic
- Unauthorized devices attempting to join Auracast streams
SIEM Query:
Bluetooth AND (Auracast OR "LE Audio") AND (intercept OR unauthorized OR failed)