CVE-2024-48459
📋 TL;DR
This CVE describes a command injection vulnerability in Tenda AX2 Pro routers that allows remote attackers to execute arbitrary commands with root privileges. Attackers can exploit this to gain full control of affected routers, potentially compromising home networks. Users with Tenda AX2 Pro routers running specific vulnerable firmware versions are affected.
💻 Affected Systems
- Tenda AX2 Pro home router
⚠️ 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 router compromise allowing attacker to intercept all network traffic, install persistent malware, pivot to other devices on the network, and use the router as part of a botnet.
Likely Case
Router takeover leading to DNS hijacking, credential theft from network traffic, and installation of backdoors for persistent access.
If Mitigated
Limited impact if router is behind firewall with restricted WAN access and network segmentation isolates critical devices.
🎯 Exploit Status
Proof of concept available in GitHub gist. Exploitation requires sending crafted HTTP requests to vulnerable endpoints.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Unknown
Vendor Advisory: Not available
Restart Required: Yes
Instructions:
1. Check Tenda support website for firmware updates
2. Download latest firmware for AX2 Pro
3. Access router admin interface
4. Navigate to System Tools > Firmware Upgrade
5. Upload and install new firmware
6. Reboot router
🔧 Temporary Workarounds
Disable remote management
allPrevent external access to router web interface
Restrict admin interface access
allLimit which IP addresses can access router admin
🧯 If You Can't Patch
- Replace router with different model/brand
- Place router behind dedicated firewall with strict ingress filtering
🔍 How to Verify
Check if Vulnerable:
Check router firmware version in admin interface under System Status or System ToolsCheck Version:
curl -s http://router-ip/goform/getStatus | grep versionVerify Fix Applied:
Verify firmware version is no longer listed in affected versions📡 Detection & Monitoring
Log Indicators:
- Unusual HTTP POST requests to /goform/setDebugCfg
- Commands with shell metacharacters in web logs
- Multiple failed login attempts followed by successful command execution
Network Indicators:
- HTTP requests containing pipe characters or semicolons in parameters
- Unexpected outbound connections from router
- DNS queries to suspicious domains
SIEM Query:
source="router.log" AND ("setDebugCfg" OR "|sh" OR ";sh")