Insufficient input validation in VAPIX API create_overlay.cgi

Vintage, member of the AXIS OS Bug Bounty Program, has found that the VAPIX API create_overlay.cgi did not have a sufficient input validation allowing for a possible remote code execution. This flaw can only be exploited after authenticating with an operator- or administrator-privileged service account. Axis has released patched AXIS OS versions for the highlighted flaw. Please refer to the Axis security advisory for more information and solution.