CVE-2024-11985
📋 TL;DR
An improper input validation vulnerability in certain ASUS router models allows attackers to send specially crafted input that crashes the device. This affects users of specific ASUS router models running vulnerable firmware versions. The vulnerability requires network access to the router's management interface.
💻 Affected Systems
- Specific ASUS router models (exact models not specified in provided information)
⚠️ 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
Persistent denial of service rendering the router unusable until manually rebooted, potentially disrupting all network connectivity for connected devices.
Likely Case
Temporary service disruption requiring router reboot, causing brief network downtime for connected users.
If Mitigated
No impact if proper network segmentation and access controls prevent unauthorized access to router management interfaces.
🎯 Exploit Status
Based on CWE-20 and CVSS 4.4, exploitation likely requires sending malformed input to specific router interfaces but doesn't require authentication.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Refer to ASUS Security Advisory for specific patched firmware versions
Vendor Advisory: https://www.asus.com/content/asus-product-security-advisory/
Restart Required: Yes
Instructions:
1. Visit ASUS support website 2. Identify your router model 3. Download latest firmware 4. Access router admin panel 5. Upload and install firmware update 6. Reboot router
🔧 Temporary Workarounds
Disable Remote Management
allPrevent external access to router management interface
Network Segmentation
allRestrict access to router management interface to trusted networks only
🧯 If You Can't Patch
- Implement strict network access controls to limit who can reach the router management interface
- Monitor router logs for crash events and implement automated alerting for service disruptions
🔍 How to Verify
Check if Vulnerable:
Check router firmware version against ASUS Security Advisory list of vulnerable versions
Check Version:
Access router web interface and check Firmware Version in Administration or System Status section
Verify Fix Applied:
Verify firmware version has been updated to patched version listed in ASUS advisory
📡 Detection & Monitoring
Log Indicators:
- Router crash/reboot events
- Unexpected service restarts
- Failed login attempts to management interface
Network Indicators:
- Unusual traffic patterns to router management ports
- Multiple connection attempts to router web interface
SIEM Query:
source="router_logs" AND (event="crash" OR event="reboot" OR event="service_restart")