CVE-2026-1419

4.7 MEDIUM

📋 TL;DR

This CVE describes a command injection vulnerability in D-Link DCS700l IP cameras running firmware version 1.03.09. Attackers can remotely execute arbitrary commands by manipulating the LightSensorControl parameter in the /setDayNightMode web form. This affects organizations and individuals using these specific camera models with vulnerable firmware.

💻 Affected Systems

Products:
  • D-Link DCS700l IP Camera
Versions: 1.03.09
Operating Systems: Embedded Linux
Default Config Vulnerable: ⚠️ Yes
Notes: Only affects the specific firmware version mentioned. Other D-Link models or firmware versions may not be vulnerable.

📦 What is this software?

⚠️ Risk & Real-World Impact

🔴

Worst Case

Full device compromise allowing attackers to execute arbitrary commands, potentially gaining persistent access, pivoting to internal networks, or using the device for botnet activities.

🟠

Likely Case

Remote code execution leading to device takeover, surveillance disruption, or use as a foothold for further network attacks.

🟢

If Mitigated

Limited impact if cameras are isolated on separate VLANs with strict network segmentation and access controls.

🌐 Internet-Facing: HIGH
🏢 Internal Only: MEDIUM

🎯 Exploit Status

Public PoC: ⚠️ Yes
Weaponized: LIKELY
Unauthenticated Exploit: ⚠️ Yes
Complexity: LOW

Public exploit details available in the provided reference. Attack requires network access to the camera's web interface.

🛠️ 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. If update available, download and follow vendor instructions
3. Apply firmware update to affected cameras
4. Restart cameras after update

🔧 Temporary Workarounds

Network Segmentation

all

Isolate cameras on separate VLAN with strict firewall rules

Access Control

linux

Block external access to camera web interface

iptables -A INPUT -p tcp --dport 80 -j DROP
iptables -A INPUT -p tcp --dport 443 -j DROP

🧯 If You Can't Patch

  • Remove cameras from internet-facing networks immediately
  • Implement strict network segmentation and monitor for suspicious traffic

🔍 How to Verify

Check if Vulnerable:

Check camera firmware version via web interface at http://[camera-ip]/system.html or similar admin page

Check Version:

curl -s http://[camera-ip]/system.html | grep -i firmware

Verify Fix Applied:

Verify firmware version is no longer 1.03.09 after applying any available updates

📡 Detection & Monitoring

Log Indicators:

  • Unusual POST requests to /setDayNightMode
  • Suspicious command execution in system logs

Network Indicators:

  • Unexpected outbound connections from cameras
  • Traffic to /setDayNightMode with unusual parameters

SIEM Query:

source="camera_logs" AND uri="/setDayNightMode" AND (param="LightSensorControl" OR contains(param, ";"))

🔗 References

📤 Share & Export