CVE-2025-20046
📋 TL;DR
A use-after-free vulnerability in Intel PROSet/Wireless WiFi Software for Windows allows an unauthenticated attacker on the same network to potentially cause denial of service. This affects Windows systems running vulnerable versions of Intel WiFi drivers and software. The attacker must be within wireless range or on the same local network segment.
💻 Affected Systems
- Intel PROSet/Wireless WiFi Software for Windows
📦 What is this software?
⚠️ Risk & Real-World Impact
Worst Case
Complete system crash or kernel panic requiring physical reboot, potentially disrupting critical operations on affected systems.
Likely Case
Temporary WiFi disconnection or system instability requiring user intervention to restore connectivity.
If Mitigated
Limited impact with proper network segmentation and updated drivers, potentially only affecting WiFi functionality temporarily.
🎯 Exploit Status
Requires adjacent network access and knowledge of vulnerable systems. No public exploit code available at this time.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 23.100 or later
Vendor Advisory: https://intel.com/content/www/us/en/security-center/advisory/intel-sa-01270.html
Restart Required: Yes
Instructions:
1. Download Intel Driver & Support Assistant from Intel website. 2. Run the tool to detect vulnerable drivers. 3. Follow prompts to update to version 23.100 or later. 4. Restart system when prompted.
🔧 Temporary Workarounds
Disable WiFi temporarily
windowsDisable WiFi adapter to prevent exploitation while awaiting patch
netsh interface set interface "Wi-Fi" admin=disable
Network segmentation
allIsolate vulnerable systems on separate VLANs or network segments
🧯 If You Can't Patch
- Implement strict network segmentation to isolate vulnerable systems from untrusted networks
- Deploy network monitoring for unusual WiFi traffic patterns or connection attempts
🔍 How to Verify
Check if Vulnerable:
Check Intel PROSet/Wireless version in Control Panel > Programs and Features or via Device Manager > Network adapters > Intel WiFi adapter > Driver tabCheck Version:
netsh wlan show drivers | findstr /i "driver version"Verify Fix Applied:
Verify driver version is 23.100 or higher in Device Manager or using 'netsh wlan show drivers' command📡 Detection & Monitoring
Log Indicators:
- System crashes or unexpected reboots
- WiFi driver error events in Windows Event Log
- Network disconnection events
Network Indicators:
- Unusual WiFi management frame traffic
- Multiple connection attempts to vulnerable systems from single source
SIEM Query:
EventID=1001 OR EventID=6008 OR (EventID=10016 AND SourceName="e1dexpress")