CVE-2026-2926
📋 TL;DR
A stack-based buffer overflow vulnerability in D-Link DWR-M960 routers allows remote attackers to execute arbitrary code by manipulating the submit-url parameter in the LTE configuration endpoint. This affects D-Link DWR-M960 version 1.01.07. Attackers can exploit this remotely without authentication.
💻 Affected Systems
- D-Link DWR-M960
📦 What is this software?
⚠️ Risk & Real-World Impact
Worst Case
Remote code execution leading to complete device compromise, lateral movement to internal networks, and persistent backdoor installation.
Likely Case
Device takeover enabling network traffic interception, DNS hijacking, or botnet recruitment.
If Mitigated
Limited impact if device is behind firewall with restricted WAN access and proper network segmentation.
🎯 Exploit Status
Exploit details have been published on GitHub, making exploitation straightforward for attackers.
🛠️ 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. Access router admin interface. 4. Navigate to firmware update section. 5. Upload and apply new firmware. 6. Reboot router.
🔧 Temporary Workarounds
Disable WAN Management Access
allPrevent external access to router management interface
Access router admin interface -> Security -> Remote Management -> Disable
Network Segmentation
allIsolate router management interface to separate VLAN
🧯 If You Can't Patch
- Implement strict firewall rules to block all external access to router management interfaces (ports 80/443)
- Deploy network intrusion detection systems to monitor for exploitation attempts
🔍 How to Verify
Check if Vulnerable:
Check router firmware version via admin interface: System -> Firmware InformationCheck Version:
Check via web interface or SSH if enabled: cat /proc/versionVerify Fix Applied:
Verify firmware version is updated beyond 1.01.07📡 Detection & Monitoring
Log Indicators:
- Unusual POST requests to /boafrm/formLteSetup
- Multiple failed buffer overflow attempts
- Unexpected process crashes
Network Indicators:
- Unusual traffic patterns to router management interface
- Suspicious payloads in HTTP requests to LTE configuration endpoint
SIEM Query:
source="router_logs" AND (uri="/boafrm/formLteSetup" OR "submit-url" IN request_body)