CVE-2026-24923
📋 TL;DR
This CVE describes a permission control vulnerability in Huawei's HDC module that could allow unauthorized access to sensitive service data. The vulnerability affects confidentiality of services running on Huawei consumer devices including laptops and wearables. Attackers could potentially bypass intended permission controls to access protected information.
💻 Affected Systems
- Huawei consumer devices with HDC module
- Huawei laptops
- Huawei wearables
⚠️ 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 compromise of service confidentiality with unauthorized access to all protected data handled by the HDC module, potentially including user data, device information, and service credentials.
Likely Case
Limited unauthorized access to some service data or metadata, potentially exposing user information or device details that should be protected by permission controls.
If Mitigated
Minimal impact with proper network segmentation and access controls limiting exposure of vulnerable systems.
🎯 Exploit Status
Exploitation likely requires some level of access to the system or network. No public exploit code is mentioned in the provided references.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Versions patched in February 2026 security updates
Vendor Advisory: https://consumer.huawei.com/en/support/bulletin/2026/2/
Restart Required: Yes
Instructions:
1. Check Huawei support bulletins for your specific device type. 2. Apply February 2026 security updates. 3. Restart device after update installation. 4. Verify update completion through device settings.
🔧 Temporary Workarounds
Network Segmentation
allIsolate affected devices from sensitive networks and limit network access to HDC services
Service Access Restriction
allConfigure firewall rules to restrict access to HDC module services
🧯 If You Can't Patch
- Implement strict network segmentation to isolate affected devices
- Monitor for unusual access patterns to HDC services and review access logs regularly
🔍 How to Verify
Check if Vulnerable:
Check device firmware/software version against Huawei's February 2026 security bulletins for your specific device modelCheck Version:
Device-specific: Check Settings > System > About or equivalent for firmware/software versionVerify Fix Applied:
Verify device has February 2026 or later security updates installed through device settings or system information📡 Detection & Monitoring
Log Indicators:
- Unauthorized access attempts to HDC services
- Permission denial errors in system logs
- Unusual service access patterns
Network Indicators:
- Unexpected connections to HDC service ports
- Traffic patterns indicating permission bypass attempts
SIEM Query:
source="device_logs" AND (process="hdc" OR service="HDC") AND (event_type="access_denied" OR event_type="permission_violation")