CVE-2024-23060
📋 TL;DR
This CVE describes a command injection vulnerability in TOTOLINK A3300R routers via the ip parameter in the setDmzCfg function. Attackers can execute arbitrary commands with root privileges, potentially taking full control of affected devices. All users of vulnerable TOTOLINK A3300R routers are affected.
💻 Affected Systems
- TOTOLINK A3300R
📦 What is this software?
⚠️ Risk & Real-World Impact
Worst Case
Complete device compromise allowing attackers to establish persistent access, pivot to internal networks, intercept traffic, or join botnets.
Likely Case
Remote code execution leading to device takeover, credential theft, and network surveillance.
If Mitigated
Limited impact if devices are behind firewalls with strict inbound filtering and network segmentation.
🎯 Exploit Status
Exploitation requires authentication to the router's web interface. The GitHub reference contains detailed proof-of-concept information.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Unknown
Vendor Advisory: Unknown
Restart Required: No
Instructions:
Check TOTOLINK's official website for firmware updates. If available, download and install the latest firmware through the router's web interface.
🔧 Temporary Workarounds
Disable DMZ Function
allDisable the DMZ configuration feature if not required for network operations.
Network Segmentation
allPlace affected routers in isolated network segments with strict firewall rules limiting access to management interfaces.
🧯 If You Can't Patch
- Implement strict network access controls to limit who can reach the router's management interface
- Monitor for unusual network traffic or configuration changes on affected devices
🔍 How to Verify
Check if Vulnerable:
Check router firmware version in web interface. If version is V17.0.0cu.557_B20221024, device is vulnerable.Check Version:
Login to router web interface and check System Status or Firmware Update section.Verify Fix Applied:
Verify firmware version has been updated to a version later than V17.0.0cu.557_B20221024.📡 Detection & Monitoring
Log Indicators:
- Unusual POST requests to setDmzCfg endpoint
- Commands with shell metacharacters in web logs
- Unexpected process execution
Network Indicators:
- Unusual outbound connections from router
- Traffic to known malicious IPs
- Unexpected port scans originating from router
SIEM Query:
source="router_logs" AND (uri="*setDmzCfg*" AND (data="*;*" OR data="*|*" OR data="*`*" OR data="*$(*"))