CVE-2025-53186

5.9 MEDIUM

📋 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

Products:
  • Huawei smartphones
  • Huawei tablets
Versions: EMUI 14.0.0 through 14.0.0.300
Operating Systems: Android-based EMUI
Default Config Vulnerable: ⚠️ Yes
Notes: Only affects devices with third-party calling apps installed that can send broadcast intents.

📦 What is this software?

⚠️ 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.

🌐 Internet-Facing: LOW - This is a local app-to-system vulnerability requiring app installation.
🏢 Internal Only: MEDIUM - Malicious apps from unofficial sources could exploit this if installed.

🎯 Exploit Status

Public PoC: ✅ No
Weaponized: UNKNOWN
Unauthenticated Exploit: ✅ No
Complexity: MEDIUM

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

all

Prevent installation of untrusted apps that could exploit this vulnerability.

Review app permissions

all

Audit 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

🔗 References

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