CVE-2024-13104
📋 TL;DR
This vulnerability allows remote attackers to bypass authentication and access WiFi settings on affected D-Link DIR-816 A2 routers. Attackers can modify wireless network configurations without proper authorization. Only users of the specific router model and firmware version are affected.
💻 Affected Systems
- D-Link DIR-816 A2
📦 What is this software?
⚠️ Risk & Real-World Impact
Worst Case
Attackers could reconfigure WiFi settings, change passwords, disable security features, or potentially chain with other vulnerabilities for further compromise.
Likely Case
Unauthorized users could modify WiFi settings, potentially changing SSID, passwords, or security protocols to disrupt network access.
If Mitigated
With proper network segmentation and firewall rules, impact would be limited to the router's management interface only.
🎯 Exploit Status
Exploit details are publicly available on GitHub, making this easily exploitable by attackers with basic skills.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Unknown
Vendor Advisory: https://www.dlink.com/
Restart Required: No
Instructions:
Check D-Link website for firmware updates. If available, download and install via router web interface.
🔧 Temporary Workarounds
Disable Remote Management
allPrevent external access to router management interface
Network Segmentation
allIsolate router management interface from untrusted networks
🧯 If You Can't Patch
- Replace affected router with supported model
- Implement strict firewall rules blocking access to port 80/443 from untrusted networks
🔍 How to Verify
Check if Vulnerable:
Check router firmware version in web interface. If version matches affected version, assume vulnerable.Check Version:
Access router web interface and check System Status or Firmware sectionVerify Fix Applied:
Verify firmware version has been updated to a newer release than the affected version.📡 Detection & Monitoring
Log Indicators:
- Unauthorized access attempts to /goform/form2AdvanceSetup.cgi
- Unexpected WiFi configuration changes
Network Indicators:
- External IP addresses accessing router management interface
- Unusual traffic to port 80/443 of router
SIEM Query:
source_ip=external AND dest_port=80 OR dest_port=443 AND uri_path="/goform/form2AdvanceSetup.cgi"🔗 References
- https://github.com/abcdefg-png/IoT-vulnerable/blob/main/Unauthorized_Vulnerability/D-Link/DIR-816/form2AdvanceSetup.md
- https://vuldb.com/?ctiid.289920
- https://vuldb.com/?id.289920
- https://vuldb.com/?submit.472076
- https://www.dlink.com/
- https://github.com/abcdefg-png/IoT-vulnerable/blob/main/Unauthorized_Vulnerability/D-Link/DIR-816/form2AdvanceSetup.md
