CVE-2026-24927
📋 TL;DR
This CVE describes an out-of-bounds access vulnerability in a frequency modulation module that could allow attackers to cause denial of service conditions. The vulnerability affects availability of systems using the vulnerable component. Huawei device users with affected software versions are potentially impacted.
💻 Affected Systems
- Huawei devices with frequency modulation modules
📦 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
⚠️ Risk & Real-World Impact
Worst Case
Complete system crash or persistent denial of service requiring physical intervention to restore functionality
Likely Case
Temporary service disruption or system instability requiring reboot
If Mitigated
Minimal impact with proper access controls and monitoring in place
🎯 Exploit Status
CWE-416 (Use After Free) typically requires specific conditions to trigger
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Refer to Huawei security bulletin for specific patched versions
Vendor Advisory: https://consumer.huawei.com/en/support/bulletin/2026/2/
Restart Required: Yes
Instructions:
1. Check Huawei security advisory for affected products 2. Apply security updates through official channels 3. Reboot device after update installation
🔧 Temporary Workarounds
Disable affected module
allIf frequency modulation functionality is not required, disable the vulnerable module
# Module-specific disable command would depend on exact Huawei device
🧯 If You Can't Patch
- Implement strict network segmentation to limit access to affected systems
- Deploy monitoring for abnormal system behavior or crash events
🔍 How to Verify
Check if Vulnerable:
Check device software version against Huawei security bulletinCheck Version:
# On Huawei devices: Settings > System > About phone > Software versionVerify Fix Applied:
Verify software version has been updated to patched version📡 Detection & Monitoring
Log Indicators:
- System crash logs
- Kernel panic messages
- Module failure events
Network Indicators:
- Unusual traffic patterns to frequency control services
SIEM Query:
event_type:crash AND module:frequency_modulation