RICOH Printer series SP products 320DN SP 325DNw SP 320SN SP 320SFN SP 325SNw SP 325SFNw SP 330SN Aficio SP 3500SF SP 221S SP 220SNw SP 221SNw SP 221SF SP 220SFNw SP 221SFNw v1.06 were discovered to contain a stack buffer overflow in the file /etc/wpa_supplicant.conf. This vulnerability allows attackers to cause a Denial of Service (DoS) via crafted overflow data.