CVE-2025-60698
📋 TL;DR
This CVE describes a command injection vulnerability in D-Link DIR-882 router firmware that allows unauthenticated remote attackers to execute arbitrary commands on the device. Attackers can exploit this by sending specially crafted HTTP requests to the router's web interface. All users of affected DIR-882 routers with vulnerable firmware are at risk.
💻 Affected Systems
- D-Link DIR-882 Router
📦 What is this software?
⚠️ Risk & Real-World Impact
Worst Case
Complete device compromise allowing attackers to install persistent malware, pivot to internal networks, intercept all network traffic, or brick the device.
Likely Case
Attackers gain shell access to execute commands, potentially installing backdoors, modifying router settings, or using the device for botnet activities.
If Mitigated
Limited impact if router is behind firewall with restricted WAN access, though internal attackers could still exploit.
🎯 Exploit Status
Public proof-of-concept available on GitHub. Exploitation requires sending HTTP requests to specific endpoints with crafted parameters.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Unknown
Vendor Advisory: https://www.dlink.com/en/security-bulletin/
Restart Required: Yes
Instructions:
1. Check D-Link security bulletin for patch availability. 2. If patch exists, download from D-Link support site. 3. Log into router web interface. 4. Navigate to firmware update section. 5. Upload and apply new firmware. 6. Reboot router.
🔧 Temporary Workarounds
Disable Remote Management
allPrevent external access to router web interface
Restrict Web Interface Access
linuxUse firewall rules to limit access to router management interface
iptables -A INPUT -p tcp --dport 80 -s 192.168.1.0/24 -j ACCEPT
iptables -A INPUT -p tcp --dport 443 -s 192.168.1.0/24 -j ACCEPT
iptables -A INPUT -p tcp --dport 80 -j DROP
iptables -A INPUT -p tcp --dport 443 -j DROP
🧯 If You Can't Patch
- Replace affected router with different model or vendor
- Place router behind dedicated firewall with strict inbound rules
🔍 How to Verify
Check if Vulnerable:
Check firmware version in router web interface under System > Firmware. If version is DIR882A1_FW102B02, device is vulnerable.
Check Version:
curl -s http://router-ip/status.cgi | grep Firmware
Verify Fix Applied:
After updating, verify firmware version has changed from DIR882A1_FW102B02 to a newer version.
📡 Detection & Monitoring
Log Indicators:
- Unusual HTTP POST requests to /prog.cgi with SysLogRemote_IPAddress parameter
- Shell command execution from web interface processes
- Unexpected system processes spawned from httpd
Network Indicators:
- HTTP requests containing shell metacharacters in parameters
- Outbound connections from router to unexpected destinations
SIEM Query:
source="router-logs" AND (url="/prog.cgi" AND param="SysLogRemote_IPAddress" AND value MATCHES "[;&|`$()]+")