CVE-2024-39356
📋 TL;DR
A NULL pointer dereference vulnerability in Intel PROSet/Wireless WiFi and Killer WiFi software for Windows allows unauthenticated attackers on the same network to potentially cause denial of service by crashing the WiFi software. This affects Windows systems running vulnerable versions of these Intel WiFi drivers and management software.
💻 Affected Systems
- Intel PROSet/Wireless WiFi software
- Intel Killer WiFi software
⚠️ 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 disruption of WiFi connectivity on affected systems, requiring system reboot to restore functionality.
Likely Case
Temporary WiFi service disruption affecting individual workstations, potentially requiring user intervention to restart WiFi services.
If Mitigated
Limited impact with proper network segmentation and updated software, potentially affecting only isolated systems.
🎯 Exploit Status
Exploitation requires network adjacency and specific conditions to trigger the NULL pointer dereference.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Version 23.80 or later
Vendor Advisory: https://intel.com/content/www/us/en/security-center/advisory/intel-sa-01224.html
Restart Required: No
Instructions:
1. Download Intel Driver & Support Assistant or visit Intel Download Center. 2. Check for WiFi driver updates. 3. Install version 23.80 or newer. 4. Verify installation through device manager.
🔧 Temporary Workarounds
Network Segmentation
allIsolate vulnerable systems from untrusted networks to prevent adjacent access exploitation.
Disable Vulnerable WiFi Adapters
windowsTemporarily disable Intel WiFi adapters if patching is not immediately possible.
netsh interface set interface "Wi-Fi" admin=disable
🧯 If You Can't Patch
- Implement strict network segmentation to isolate vulnerable systems
- Monitor for WiFi service disruptions and investigate potential exploitation attempts
🔍 How to Verify
Check if Vulnerable:
Check Intel PROSet/Wireless WiFi software version in Control Panel > Programs and Features or via Device Manager > Network adapters > Intel WiFi adapter > Driver tab.
Check Version:
wmic product where "name like '%Intel%WiFi%'" get name,version
Verify Fix Applied:
Confirm software version is 23.80 or higher in Programs and Features or Device Manager driver details.
📡 Detection & Monitoring
Log Indicators:
- Unexpected WiFi service crashes
- Event logs showing WiFi adapter failures
- System logs indicating NULL pointer exceptions in WiFi drivers
Network Indicators:
- Unusual network traffic patterns targeting WiFi management ports
- Multiple WiFi disconnection events from same source
SIEM Query:
source="windows" AND (event_id=1000 OR event_id=1001) AND process_name="*wlan*" OR description="*NULL*"