Trend Micro · Trend Micro Smart Protection Server · CVE-2016-6266
**Name of the Vulnerable Software and Affected Versions**
Trend Micro Smart Protection Server versions 2.5 before build 2200
Trend Micro Smart Protection Server versions 2.6 before build 2106
Trend Micro Smart Protection Server versions 3.0 before build 1330
**Description**
The issue allows remote authenticated users to execute arbitrary commands via shell metacharacters in certain parameters. This can be done through the `host` or `apikey` parameter in a register action, the `enable` parameter in a save stting action, or the `host` or `apikey` parameter in a test connection action.
**Recommendations**
For Trend Micro Smart Protection Server version 2.5 before build 2200, update to build 2200 or later.
For Trend Micro Smart Protection Server version 2.6 before build 2106, update to build 2106 or later.
For Trend Micro Smart Protection Server version 3.0 before build 1330, update to build 1330 or later.
As a temporary workaround, consider restricting access to the `ccca ajaxhandler.php` file until a patch is available.
Avoid using the `host`, `apikey`, and `enable` parameters in the affected actions until the issue is resolved.