Older Axis Network Cameras (2.40 and earlier) and Video Servers (3.12 and earlier) allowed remote attackers to via shell metacharacters, such as the backtick ( ), in the query string to virtualinput.cgi`.
: Some older devices might have compatibility issues with modern web browsers. Try accessing the device using an older version of a browser or one that is known to work with the device.
| Component | Meaning | |-----------|---------| | inurl:indexframe.shtml | Looks for a specific web UI frame file used by older Axis video servers. | | inurl:axis | Narrows results to Axis Communications hardware. | | inurl:video server | Searches for "video server" in the URL path (often in folder names). | | link | Finds pages that link to these devices. | inurl indexframe shtml axis video server link
Exposed cameras can show live feeds of private homes, businesses, or public areas.
| Vulnerability | Impact | Severity | | :--- | :--- | :--- | | CVE-2004-2425 | Remote attackers could execute arbitrary commands via shell metacharacters. | High | | CVE-2004-2426 | Directory traversal could allow attackers to bypass authentication via a ".." (dot-dot). | High | | CVE-2003-0240 | An authentication bypass could be achieved by using a double slash ("//") in the admin URL. | Critical | Older Axis Network Cameras (2
Never assign public-facing IP addresses directly to video encoders, IP cameras, or Network Video Recorders (NVRs). Place all physical security hardware on a dedicated, isolated Virtual Local Area Network (VLAN). 2. Restrict Inbound Access via VPN and Firewalls
When combined, this query filters out standard websites and isolates the direct IP addresses and domain names of exposed Axis hardware. The Security Implications of Publicly Exposed Cameras | | link | Finds pages that link to these devices
This public link is valid for 7 days and shares a thread, including any personal information you added. This link or copies made by others cannot be deleted. If you share with third parties, their policies apply. Can’t copy the link right now. Try again later.
A directory traversal vulnerability in the same versions allowed remote attackers to bypass authentication by using .. (dot dot) in an HTTP POST request to ServerManager.srv . This could be used to escalate privileges and modify files via editcgi.cgi .
Do not expose your camera directly to the internet (Port Forwarding).
The search string is a classic example of a Google Dork , an advanced search string used by cybersecurity professionals and penetration testers to discover publicly exposed IoT devices, open network cameras, and legacy video servers. By manipulating advanced search operators, an analyst can filter out typical websites to reveal specific URL path structures, such as Axis Communications hardware pages hosted on misconfigured or unsecured local networks.