CVE-2026-24917
📋 TL;DR
This CVE describes a use-after-free vulnerability in a security module that could allow attackers to crash affected systems, potentially causing denial of service. The vulnerability affects Huawei products and requires successful exploitation to impact availability.
💻 Affected Systems
- Huawei products with affected security modules
⚠️ 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 denial of service, potentially requiring physical access or reboot to restore functionality.
Likely Case
Service disruption or application instability affecting specific security functions.
If Mitigated
Minimal impact with proper access controls and monitoring in place.
🎯 Exploit Status
UAF vulnerabilities typically require specific memory manipulation knowledge and access to trigger.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Check Huawei advisory for specific fixed versions
Vendor Advisory: https://consumer.huawei.com/en/support/bulletin/2026/2/
Restart Required: Yes
Instructions:
1. Review Huawei security advisory. 2. Identify affected products/versions. 3. Apply recommended patches/updates. 4. Restart affected systems/services.
🔧 Temporary Workarounds
Restrict Access Controls
allLimit access to affected systems and security modules to authorized users only.
Monitor System Stability
allImplement monitoring for system crashes or unexpected restarts that could indicate exploitation attempts.
🧯 If You Can't Patch
- Isolate affected systems from untrusted networks
- Implement strict access controls and monitor for abnormal behavior
🔍 How to Verify
Check if Vulnerable:
Check system version against Huawei advisory and verify if security module is present.Check Version:
System-specific command; consult Huawei documentation for version checking.Verify Fix Applied:
Verify system version matches patched version from Huawei advisory and monitor for stability.📡 Detection & Monitoring
Log Indicators:
- Unexpected system crashes
- Security module errors
- Memory access violations
Network Indicators:
- Unusual traffic patterns to security services
- Connection attempts to security modules
SIEM Query:
Search for 'crash', 'segmentation fault', or 'access violation' in system logs related to security modules.