CVE-2024-23058
📋 TL;DR
This CVE describes a command injection vulnerability in TOTOLINK A3300R routers that allows attackers to execute arbitrary commands via the pass parameter in the setTr069Cfg function. Attackers can gain full control of affected devices, potentially compromising entire networks. Users of TOTOLINK A3300R routers with vulnerable firmware are affected.
💻 Affected Systems
- TOTOLINK A3300R
📦 What is this software?
⚠️ Risk & Real-World Impact
Worst Case
Complete device takeover leading to network compromise, data exfiltration, ransomware deployment, and use as botnet node for DDoS attacks.
Likely Case
Router compromise allowing traffic interception, credential theft, and lateral movement to connected devices.
If Mitigated
Limited impact if device is isolated, patched, or has strict network segmentation.
🎯 Exploit Status
Exploitation requires authentication to the router's web interface. The GitHub reference contains technical details about the vulnerability.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Unknown
Vendor Advisory: Not available
Restart Required: Yes
Instructions:
1. Check TOTOLINK website for firmware updates. 2. Download latest firmware. 3. Access router admin interface. 4. Navigate to firmware upgrade section. 5. Upload and apply new firmware. 6. Reboot router.
🔧 Temporary Workarounds
Disable TR-069 remote management
allTurn off TR-069 configuration feature to prevent exploitation via vulnerable parameter
Restrict admin interface access
allLimit access to router admin interface to trusted IP addresses only
🧯 If You Can't Patch
- Isolate affected routers in separate VLAN with strict firewall rules
- Implement network segmentation to limit lateral movement from compromised routers
🔍 How to Verify
Check if Vulnerable:
Check router firmware version via admin interface. If version is V17.0.0cu.557_B20221024, device is vulnerable.Check Version:
Login to router admin interface and check System Status or Firmware Information pageVerify Fix Applied:
Verify firmware version has been updated to a version later than V17.0.0cu.557_B20221024📡 Detection & Monitoring
Log Indicators:
- Unusual TR-069 configuration changes
- Multiple failed login attempts followed by successful login
- Suspicious command execution in system logs
Network Indicators:
- Unexpected outbound connections from router
- Traffic to known malicious IPs from router
- Unusual port scanning originating from router
SIEM Query:
source="router_logs" AND (event="setTr069Cfg" OR event="configuration_change") AND user!="admin"