D-Link DWL-2600AP 4.2.0.15 Rev A devices have an authenticated OS command injection vulnerability via the Upgrade Firmware functionality in the Web interface, using shell metacharacters in the admin.cgi?action=upgrade firmwareRestore or firmwareServerip parameter.
https://www.exploit-db.com/exploits/46841
https://supportannouncement.us.dlink.com/announcement/publication.aspx?name=SAP10113