CVE:CVE-2021-33945
CNNVD:CNNVD-202202-1296
Ricoh SP是日本理光（Ricoh）公司的一款打印机。
Ricoh SP 多款产品存在缓冲区错误漏洞，该漏洞源于/etc/wpa_supplicant.conf中存在堆栈缓冲区溢出。攻击者可利用该漏洞通过精心设计的溢出数据导致拒绝服务。
solution:Upgrade ricoh sp_320dn_firmware to a higher version than 1.06,and avoid the version 1.06; Upgrade ricoh sp_325dnw_firmware to a higher version than 1.06,-,and avoid the version 1.06; Upgrade ricoh sp_320sn_firmware to a higher version than 1.06,and avoid the version 1.06; Upgrade ricoh sp_320sfn_firmware to a higher version than 1.06,and avoid the version 1.06; Upgrade ricoh sp_325snw_firmware to a higher version than 1.06,-,and avoid the version 1.06; Upgrade ricoh sp_325sfnw_firmware to a higher version than 1.06,-,and avoid the version 1.06; Upgrade ricoh sp_330sn_firmware to a higher version than 1.06,-,and avoid the version 1.06; Upgrade ricoh aficio_sp_3500sf_firmware to a higher version than 1.06,and avoid the version 1.06; Upgrade ricoh sp_221s_firmware to a higher version than 1.06,and avoid the version 1.06; Upgrade ricoh sp_220snw_firmware to a higher version than 1.06,-,and avoid the version 1.06; Upgrade ricoh sp_221snw_firmware to a higher version than 1.06,-,and avoid the version 1.06; Upgrade ricoh sp_221sf_firmware to a higher version than 1.06,and avoid the version 1.06; Upgrade ricoh sp_220sfnw_firmware to a higher version than 1.06,-,and avoid the version 1.06; Upgrade ricoh sp_221sfnw_firmware to a higher version than 1.06,-,and avoid the version 1.06; Upgrade ricoh m_c2000_firmware to a higher version than -; Upgrade ricoh m_c250fwb_firmware to a higher version than -; Upgrade ricoh m_c250fw_firmware to a higher version than -; Upgrade ricoh sp_c260sfnw_firmware to a higher version than -; Upgrade ricoh sp_c262sfnw_firmware to a higher version than -; Upgrade ricoh sp_c261sfnw_firmware to a higher version than -; Upgrade ricoh sp_c250sf_firmware to a higher version than -; Upgrade ricoh sp_c252sf_firmware to a higher version than -; Upgrade ricoh p_c300w_firmware to a higher version than -; Upgrade ricoh p_c301w_firmware to a higher version than -; Upgrade ricoh sp_c260dnw_firmware to a higher version than -; Upgrade ricoh sp_c262dnw_firmware to a higher version than -; Upgrade ricoh sp_c261dnw_firmware to a higher version than -; Upgrade ricoh sp_c250dn_firmware to a higher version than -; Upgrade ricoh sp_c252dn_firmware to a higher version than -; Upgrade ricoh m_320_firmware to a higher version than -; Upgrade ricoh m_320fb_firmware to a higher version than -; Upgrade ricoh m_320f_firmware to a higher version than -; Upgrade ricoh m_2700_firmware to a higher version than -; Upgrade ricoh m_2701_firmware to a higher version than -; Upgrade ricoh sp_330sfn_firmware to a higher version than -; Upgrade ricoh sp_3710sf_firmware to a higher version than -; Upgrade ricoh sp_277snwx_firmware to a higher version than -; Upgrade ricoh sp_277sfnwx_firmware to a higher version than -; Upgrade ricoh sp_377snwx_firmware to a higher version than -; Upgrade ricoh sp_377sfnwx_firmware to a higher version than -; Upgrade ricoh sp_212sfnw_firmware to a higher version than -; Upgrade ricoh sp_212sfw_firmware to a higher version than -; Upgrade ricoh sp_212snw_firmware to a higher version than -; Upgrade ricoh sp_212suw_firmware to a higher version than -; Upgrade ricoh sp_213sfnw_firmware to a higher version than -; Upgrade ricoh sp_213sfw_firmware to a higher version than -; Upgrade ricoh sp_213snw_firmware to a higher version than -; Upgrade ricoh sp_213suw_firmware to a higher version than -; Upgrade ricoh sp_311sfnw_firmware to a higher version than -; Upgrade ricoh sp_310sfnw_firmware to a higher version than -; Upgrade ricoh sp_312sfnw_firmware to a higher version than -; Upgrade ricoh p_310_firmware to a higher version than -; Upgrade ricoh p_311_firmware to a higher version than -; Upgrade ricoh sp_330dn_firmware to a higher version than -; Upgrade ricoh sp_3710dn_firmware to a higher version than -; Upgrade ricoh sp_220nw_firmware to a higher version than -; Upgrade ricoh sp_221nw_firmware to a higher version than -; Upgrade ricoh sp_277nwx_firmware to a higher version than -; Upgrade ricoh sp_377dnwx_firmware to a higher version than -; Upgrade ricoh sp_212nw_firmware to a higher version than -; Upgrade ricoh sp_212w_firmware to a higher version than -; Upgrade ricoh sp_213nw_firmware to a higher version than -; Upgrade ricoh sp_213w_firmware to a higher version than -; Upgrade ricoh sp_311dnw_firmware to a higher version than -; Upgrade ricoh sp_310dnw_firmware to a higher version than -; Upgrade ricoh sp_312dnw_firmware to a higher version than -