CVE-2026-24919
📋 TL;DR
This CVE describes an out-of-bounds write vulnerability in Huawei's DFX module that could allow attackers to crash affected systems, leading to denial of service. Huawei device users running vulnerable software versions are affected. The vulnerability has medium severity with a CVSS score of 6.0.
💻 Affected Systems
- Huawei devices with DFX module
⚠️ 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 system crash or instability requiring reboot, potentially disrupting critical services.
Likely Case
Service disruption or application crash affecting availability of specific functions.
If Mitigated
Minimal impact with proper network segmentation and access controls limiting exploit vectors.
🎯 Exploit Status
Out-of-bounds write vulnerabilities typically require specific conditions to trigger; no public exploits 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/2026/2/
Restart Required: Yes
Instructions:
1. Visit Huawei security advisory. 2. Identify affected device model. 3. Apply latest security update via device settings or Huawei support tools. 4. Reboot device after update.
🔧 Temporary Workarounds
Network segmentation
allIsolate affected devices from untrusted networks to reduce attack surface
Disable unnecessary services
allReduce attack surface by disabling non-essential DFX-related functions if possible
🧯 If You Can't Patch
- Implement strict network access controls to limit who can communicate with affected devices
- Monitor for abnormal system behavior or crashes that might indicate exploitation attempts
🔍 How to Verify
Check if Vulnerable:
Check device software version in Settings > About Phone and compare with Huawei security bulletinCheck Version:
Settings > About Phone > Software Information (device-specific)Verify Fix Applied:
Verify software version matches or exceeds patched version listed in Huawei advisory📡 Detection & Monitoring
Log Indicators:
- Unexpected system crashes
- DFX module error messages
- Memory access violation logs
Network Indicators:
- Unusual network traffic to DFX services
- Connection attempts to DFX ports
SIEM Query:
source="device_logs" AND (event_type="crash" OR module="DFX")