CVE-2025-53186
📋 TL;DR
This vulnerability allows third-party calling applications to send unverified broadcasts to the audio framework module on affected Huawei devices. This could potentially disrupt audio services or cause system instability. The vulnerability affects Huawei smartphones and tablets running specific EMUI versions.
💻 Affected Systems
- Huawei smartphones
- Huawei tablets
📦 What is this software?
Emui by Huawei
Emui by Huawei
Emui by Huawei
Harmonyos by Huawei
Harmonyos by Huawei
Harmonyos by Huawei
Harmonyos by Huawei
Harmonyos by Huawei
Harmonyos by Huawei
Harmonyos by Huawei
⚠️ Risk & Real-World Impact
Worst Case
Malicious app could repeatedly send broadcast intents to crash audio services, causing device instability, call drops, or temporary loss of audio functionality.
Likely Case
Poorly coded third-party apps could inadvertently trigger audio framework issues, leading to temporary audio glitches or app crashes.
If Mitigated
With proper app vetting and security controls, impact would be limited to minor audio disruptions from legitimate apps.
🎯 Exploit Status
Requires malicious app installation and knowledge of audio framework broadcast intents.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: EMUI 14.0.0.301 and later
Vendor Advisory: https://consumer.huawei.com/en/support/bulletin/2025/7/
Restart Required: Yes
Instructions:
1. Check for system updates in Settings > System & updates > Software update. 2. Download and install EMUI 14.0.0.301 or later. 3. Restart device after installation completes.
🔧 Temporary Workarounds
Restrict third-party app installations
allPrevent installation of untrusted apps that could exploit this vulnerability.
Review app permissions
allAudit and remove unnecessary permissions from third-party calling apps.
🧯 If You Can't Patch
- Only install calling apps from official app stores with good reputation
- Monitor device for audio service crashes or unusual behavior
🔍 How to Verify
Check if Vulnerable:
Check EMUI version in Settings > About phone > EMUI version. If version is between 14.0.0 and 14.0.0.300, device is vulnerable.
Check Version:
Not applicable - check via device settings UI
Verify Fix Applied:
After update, verify EMUI version is 14.0.0.301 or higher in Settings > About phone.
📡 Detection & Monitoring
Log Indicators:
- Audio framework crash logs
- Excessive broadcast intents to audio services
- Third-party app permission abuse logs
Network Indicators:
- No network indicators - local vulnerability only
SIEM Query:
Not applicable for mobile device management without specific logging enabled