CVE-2024-49197
📋 TL;DR
This vulnerability in Samsung Exynos Wi-Fi chips allows out-of-bounds memory access due to missing boundary checks in the STOP_KEEP_ALIVE_OFFLOAD function. Attackers could potentially execute arbitrary code or cause denial of service on affected devices. This affects Samsung smartphones and wearables using the listed Exynos processors.
💻 Affected Systems
- Samsung smartphones and wearables with Exynos 980, 850, 1080, 1280, 1330, 1380, 1480, W920, W930, W1000 processors
📦 What is this software?
⚠️ Risk & Real-World Impact
Worst Case
Remote code execution leading to complete device compromise, data theft, or persistent malware installation.
Likely Case
Device crash/reboot (denial of service) or limited information disclosure from memory.
If Mitigated
Minimal impact if patched or with proper network segmentation.
🎯 Exploit Status
Requires proximity to target device and Wi-Fi network access, but no user interaction or authentication.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Latest Samsung security updates
Vendor Advisory: https://semiconductor.samsung.com/support/quality-support/product-security-updates/cve-2024-49197/
Restart Required: Yes
Instructions:
1. Check for Samsung security updates in device settings. 2. Install latest available update. 3. Restart device after installation.
🔧 Temporary Workarounds
Disable Wi-Fi when not needed
androidTurn off Wi-Fi to prevent exploitation via this vector
Settings > Connections > Wi-Fi > Toggle off
Use trusted networks only
allAvoid connecting to untrusted or public Wi-Fi networks
🧯 If You Can't Patch
- Segment network to isolate vulnerable devices from untrusted networks
- Implement network monitoring for unusual Wi-Fi traffic patterns
🔍 How to Verify
Check if Vulnerable:
Check device model and processor in Settings > About phone > Model number and Hardware infoCheck Version:
Settings > About phone > Software informationVerify Fix Applied:
Verify security patch level in Settings > About phone > Software information > Android security patch level is current📡 Detection & Monitoring
Log Indicators:
- Wi-Fi driver crashes
- Kernel panic logs
- Unexpected device reboots
Network Indicators:
- Unusual Wi-Fi management frame patterns
- Malformed STOP_KEEP_ALIVE_OFFLOAD packets
SIEM Query:
device_logs WHERE (process="wifi_driver" AND event="crash") OR (event="kernel_panic")