CVE-2024-10130
📋 TL;DR
This critical vulnerability in Tenda AC8 routers allows remote attackers to execute arbitrary code via a stack-based buffer overflow in the reboot timer configuration function. Attackers can exploit this without authentication to potentially take full control of affected devices. All users running the vulnerable firmware version are at risk.
💻 Affected Systems
- Tenda AC8
📦 What is this software?
⚠️ Risk & Real-World Impact
Worst Case
Complete device compromise leading to persistent backdoor installation, network traffic interception, lateral movement to internal networks, and botnet recruitment.
Likely Case
Remote code execution allowing attackers to modify router settings, intercept traffic, or use the device as a pivot point into internal networks.
If Mitigated
Limited impact if device is behind firewall with restricted WAN access, though internal threats could still exploit it.
🎯 Exploit Status
Exploit details are publicly available on GitHub. The vulnerability requires no authentication and has straightforward exploitation.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Unknown
Vendor Advisory: https://www.tenda.com.cn/
Restart Required: Yes
Instructions:
1. Check Tenda website for firmware updates
2. Download latest firmware for AC8 model
3. Access router admin interface
4. Navigate to System Tools > Firmware Upgrade
5. Upload and install new firmware
6. Reboot router after installation
🔧 Temporary Workarounds
Disable remote management
allPrevent external access to router web interface
Network segmentation
allIsolate router management interface from untrusted networks
🧯 If You Can't Patch
- Replace affected devices with different models or brands
- Place router behind dedicated firewall with strict inbound rules
🔍 How to Verify
Check if Vulnerable:
Access router web interface, navigate to System Status or About page, check firmware version matches 16.03.34.06Check Version:
curl -s http://router-ip/goform/getStatus | grep versionVerify Fix Applied:
Verify firmware version has changed from 16.03.34.06 to a newer version after update📡 Detection & Monitoring
Log Indicators:
- Unusual POST requests to /goform/SetSysAutoRebbotCfg
- Multiple failed reboot attempts
- Unexpected configuration changes
Network Indicators:
- Unusual outbound connections from router
- Traffic patterns suggesting command and control
- Port scanning originating from router
SIEM Query:
source="router_logs" AND (uri="/goform/SetSysAutoRebbotCfg" OR message="rebootTime")