CVE-2025-59368
📋 TL;DR
An integer underflow vulnerability in Aicloud allows authenticated attackers to send crafted requests that could crash the device. This affects ASUS router users with Aicloud enabled. The vulnerability primarily impacts device availability.
💻 Affected Systems
- ASUS routers with Aicloud functionality
⚠️ 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 requiring physical reboot, potentially causing extended service disruption for network-dependent services.
Likely Case
Temporary denial of service affecting router functionality until automatic or manual restart.
If Mitigated
Minimal impact if authentication is properly secured and attack surface is limited.
🎯 Exploit Status
Requires authentication and specific crafted request knowledge
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Check ASUS firmware updates for your specific router model
Vendor Advisory: https://www.asus.com/security-advisory/
Restart Required: Yes
Instructions:
1. Visit ASUS support site for your router model. 2. Download latest firmware. 3. Log into router admin panel. 4. Navigate to firmware update section. 5. Upload and apply new firmware. 6. Reboot router.
🔧 Temporary Workarounds
Disable Aicloud
allTurn off Aicloud functionality to remove attack surface
Restrict authentication access
allLimit authenticated access to trusted users only
🧯 If You Can't Patch
- Disable Aicloud functionality completely
- Implement network segmentation to isolate router from critical systems
🔍 How to Verify
Check if Vulnerable:
Check router firmware version against ASUS security advisory for affected versionsCheck Version:
Log into router admin interface and check firmware version in system statusVerify Fix Applied:
Verify firmware version matches or exceeds patched version listed in advisory📡 Detection & Monitoring
Log Indicators:
- Multiple authentication attempts followed by unusual request patterns
- Router crash/restart logs
Network Indicators:
- Unusual traffic patterns to router admin interface
- Sudden loss of router connectivity
SIEM Query:
source="router_logs" AND (event="authentication" OR event="crash") AND (user!="admin" OR pattern="unusual_request")