CVE-2026-2883
📋 TL;DR
A remote stack-based buffer overflow vulnerability in D-Link DWR-M960 routers allows attackers to execute arbitrary code by manipulating the submit-url parameter. This affects users running firmware version 1.01.07. Successful exploitation could lead to complete device compromise.
💻 Affected Systems
- D-Link DWR-M960
📦 What is this software?
⚠️ Risk & Real-World Impact
Worst Case
Remote code execution leading to full router compromise, credential theft, network pivoting, and persistent backdoor installation.
Likely Case
Router takeover enabling traffic interception, DNS manipulation, and network disruption.
If Mitigated
Limited impact if isolated from critical networks with proper segmentation and monitoring.
🎯 Exploit Status
Public exploit details available; manipulation of submit-url parameter triggers overflow.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Unknown
Vendor Advisory: https://www.dlink.com/
Restart Required: Yes
Instructions:
1. Check D-Link website for firmware updates. 2. Download latest firmware. 3. Upload via web interface. 4. Reboot router.
🔧 Temporary Workarounds
Disable Remote Management
allPrevent external access to web interface
Access router settings > Firewall > Disable Remote Management
Network Segmentation
allIsolate router management interface
Configure VLANs to separate management traffic
🧯 If You Can't Patch
- Implement strict firewall rules to block external access to router management interface
- Monitor network traffic for unusual patterns and implement intrusion detection
🔍 How to Verify
Check if Vulnerable:
Check firmware version in router web interface under Maintenance > FirmwareCheck Version:
curl -s http://router-ip/boafrm/formIpQoS | grep versionVerify Fix Applied:
Verify firmware version is updated beyond 1.01.07📡 Detection & Monitoring
Log Indicators:
- Unusual POST requests to /boafrm/formIpQoS with long submit-url parameters
- Router reboot events
Network Indicators:
- Unusual outbound connections from router
- Traffic spikes to/from router management interface
SIEM Query:
source="router_logs" AND uri="/boafrm/formIpQoS" AND submit-url.length>100