CVE-2025-59365
📋 TL;DR
A stack buffer overflow vulnerability in certain ASUS router models allows authenticated attackers to send crafted requests that could crash the device. This affects users of specific ASUS router firmware versions and requires authentication to exploit.
💻 Affected Systems
- ASUS routers (specific models not detailed in advisory)
⚠️ 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 device crash leading to denial of service, potentially requiring physical reset or firmware reflash.
Likely Case
Router becomes unresponsive, requiring reboot and temporary network disruption.
If Mitigated
Minimal impact with proper authentication controls and network segmentation.
🎯 Exploit Status
Requires authentication and specific crafted request
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Check ASUS security advisory for specific firmware versions
Vendor Advisory: https://www.asus.com/security-advisory/
Restart Required: Yes
Instructions:
1. Visit ASUS security advisory 2. Identify affected router model 3. Download latest firmware 4. Upload via router web interface 5. Reboot router
🔧 Temporary Workarounds
Restrict management access
allLimit router management interface access to trusted IP addresses only
Router-specific configuration commands vary by model
Change default credentials
allEnsure strong, unique passwords for router admin accounts
🧯 If You Can't Patch
- Segment network to isolate router management interface
- Implement strict access controls and monitoring for router management traffic
🔍 How to Verify
Check if Vulnerable:
Check router firmware version against ASUS security advisoryCheck Version:
Router web interface → Administration → Firmware Upgrade (varies by model)Verify Fix Applied:
Verify firmware version matches patched version from advisory📡 Detection & Monitoring
Log Indicators:
- Multiple failed authentication attempts followed by unusual request patterns
- Router crash/reboot logs
Network Indicators:
- Unusual HTTP requests to router management interface
- Sudden loss of router connectivity
SIEM Query:
source="router_logs" AND (event="authentication_failure" OR event="crash")