CVE-2023-22375

8.8 HIGH

📋 TL;DR

This CSRF vulnerability in Planex CS-WMV02G network cameras allows attackers to trick authenticated users into performing unauthorized actions by viewing malicious web pages. It affects all versions of these specific wired/wireless cameras, but only impacts products no longer supported by the manufacturer.

💻 Affected Systems

Products:
  • Planex CS-WMV02G Wired/Wireless LAN Pan/Tilt Network Camera
Versions: All versions
Operating Systems: Embedded camera firmware
Default Config Vulnerable: ⚠️ Yes
Notes: Only affects end-of-life products no longer supported by Planex. Requires authenticated user session.

📦 What is this software?

⚠️ Risk & Real-World Impact

🔴

Worst Case

Complete device compromise allowing camera control, configuration changes, firmware modification, or integration into botnets.

🟠

Likely Case

Unauthorized camera movement, settings modification, or disruption of surveillance functionality.

🟢

If Mitigated

Limited impact if cameras are isolated from user browsing activities and internet access.

🌐 Internet-Facing: HIGH
🏢 Internal Only: MEDIUM

🎯 Exploit Status

Public PoC: ✅ No
Weaponized: UNKNOWN
Unauthenticated Exploit: ✅ No
Complexity: LOW

Exploitation requires social engineering to make authenticated users visit malicious pages. No authentication bypass needed.

🛠️ Fix & Mitigation

✅ Official Fix

Patch Version: None

Vendor Advisory: https://www.planex.co.jp/support/support_end_list.shtml

Restart Required: No

Instructions:

No official patch available. Product is end-of-life. Replace with supported hardware.

🔧 Temporary Workarounds

Network Segmentation

all

Isolate cameras on separate VLAN without internet access

Browser Protection

all

Use CSRF protection browser extensions and disable automatic form submission

🧯 If You Can't Patch

  • Decommission and replace with supported network cameras
  • Implement strict network segmentation and firewall rules to prevent camera web interface access from general user networks

🔍 How to Verify

Check if Vulnerable:

Check device model against affected products list. All CS-WMV02G cameras are vulnerable.

Check Version:

Check camera web interface or physical label for CS-WMV02G model identification

Verify Fix Applied:

No fix available. Verify replacement with supported hardware.

📡 Detection & Monitoring

Log Indicators:

  • Unexpected configuration changes
  • Camera movement without operator input
  • Multiple failed login attempts followed by successful changes

Network Indicators:

  • HTTP POST requests to camera from unexpected sources
  • Cross-origin requests to camera web interface

SIEM Query:

source_ip IN (user_workstations) AND dest_ip IN (camera_ips) AND http_method = POST AND user_agent CONTAINS malicious_domain

🔗 References

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