Provide references for CVE-2011-4821.
Where can I find more information about CVE-2011-4821?
References are available at: http://www.solutionary.com/research/vulnerability-disclosures/2012/01/d-link-dir-601-tftp-directory-traversal-vulnerability, http://www.securityfocus.com/bid/51659, http://secunia.com/advisories/47762, http://www.securityfocus.com/archive/1/521369.