CVE-2025-11407
📋 TL;DR
This CVE describes an OS command injection vulnerability in D-Link DI-7001 MINI routers through the /upgrade_filter.asp file's path parameter. Attackers can execute arbitrary commands remotely, potentially compromising the router. Only D-Link DI-7001 MINI routers running version 24.04.18B1 are affected.
💻 Affected Systems
- D-Link DI-7001 MINI
📦 What is this software?
⚠️ Risk & Real-World Impact
Worst Case
Complete router compromise allowing attacker to reconfigure network, intercept traffic, install persistent backdoors, or pivot to internal network devices.
Likely Case
Router compromise leading to network disruption, credential theft, or use as botnet node for DDoS attacks.
If Mitigated
Limited impact if router is behind firewall with restricted WAN access and proper network segmentation.
🎯 Exploit Status
Exploit details are publicly available on GitHub, making this easily exploitable by attackers with basic skills.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Check D-Link website for latest firmware
Vendor Advisory: https://www.dlink.com/
Restart Required: Yes
Instructions:
1. Visit D-Link support website. 2. Download latest firmware for DI-7001 MINI. 3. Log into router admin interface. 4. Navigate to firmware upgrade section. 5. Upload and apply new firmware. 6. Reboot router.
🔧 Temporary Workarounds
Block WAN access to admin interface
allPrevent external exploitation by disabling remote administration
Login to router > Administration > Remote Management > Disable
Network segmentation
allIsolate router management interface to separate VLAN
🧯 If You Can't Patch
- Replace vulnerable router with patched or different model
- Implement strict firewall rules blocking all WAN access to router management interface
🔍 How to Verify
Check if Vulnerable:
Check router firmware version in admin interface under Maintenance > Firmware
Check Version:
Login to router web interface and navigate to Maintenance > Firmware section
Verify Fix Applied:
Confirm firmware version is newer than 24.04.18B1 and test if /upgrade_filter.asp path parameter injection is blocked
📡 Detection & Monitoring
Log Indicators:
- Unusual POST requests to /upgrade_filter.asp with shell metacharacters in path parameter
- Multiple failed login attempts followed by upgrade_filter access
Network Indicators:
- Unexpected outbound connections from router to suspicious IPs
- Unusual traffic patterns from router management interface
SIEM Query:
source="router_logs" AND (uri="/upgrade_filter.asp" AND (param="path" CONTAINS "|" OR param="path" CONTAINS ";" OR param="path" CONTAINS "`"))