CVE-2025-58303
📋 TL;DR
This CVE describes a use-after-free vulnerability in the screen recording framework module that could allow attackers to crash affected systems, potentially causing denial of service. The vulnerability affects Huawei devices with specific software versions. Successful exploitation could disrupt device functionality and availability.
💻 Affected Systems
- Huawei smartphones and tablets
📦 What is this software?
Harmonyos by Huawei
Harmonyos by Huawei
Harmonyos by Huawei
⚠️ Risk & Real-World Impact
Worst Case
Complete system crash or freeze requiring hard reboot, potentially causing data loss or service disruption
Likely Case
Application crash affecting screen recording functionality and related services
If Mitigated
Minimal impact with proper patch management and security controls in place
🎯 Exploit Status
Exploitation requires local access or malicious app installation. No public exploit code known at this time.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Check Huawei security bulletin for specific patched versions
Vendor Advisory: https://consumer.huawei.com/en/support/bulletin/2025/11/
Restart Required: Yes
Instructions:
1. Check Huawei security bulletin for affected devices. 2. Navigate to Settings > System & updates > Software update. 3. Download and install latest security update. 4. Restart device after installation.
🔧 Temporary Workarounds
Disable screen recording permissions
allRestrict screen recording functionality to prevent exploitation
Restrict app installations
allOnly install apps from trusted sources to prevent malicious exploitation
🧯 If You Can't Patch
- Implement application allowlisting to prevent unauthorized app execution
- Monitor for abnormal system behavior or crashes related to screen recording
🔍 How to Verify
Check if Vulnerable:
Check device model and software version against Huawei security bulletinCheck Version:
Settings > About phone > Build number / Software versionVerify Fix Applied:
Verify software version after update matches patched version in advisory📡 Detection & Monitoring
Log Indicators:
- Unexpected screen recording service crashes
- Memory access violation logs
- System stability issues
Network Indicators:
- No network indicators for this local vulnerability
SIEM Query:
Search for: 'screen recording crash' OR 'UAF' OR 'memory violation' in system logs