{"id":"CVE-2021-33945","aliases":["EUVD-2021-20616","GHSA-gv77-w94g-p6r7"],"status":"published","title":"RICOH Printer series SP products 320DN, SP 325DNw, SP 320SN, SP 320SFN, SP 325SNw, SP 325SFNw, SP...","description":"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.","severity":{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-09","score":0.01846,"percentile":0.79211,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-787"],"published":"2022-02-15T19:08:26Z","modified":"2026-06-17T03:55:23Z","products":[{"vendor":"ricoh","product":"aficio_sp_3500sf_firmware"},{"vendor":"ricoh","product":"m_2700_firmware"},{"vendor":"ricoh","product":"m_2701_firmware"},{"vendor":"ricoh","product":"m_320_firmware"},{"vendor":"ricoh","product":"m_320f_firmware"},{"vendor":"ricoh","product":"m_320fb_firmware"},{"vendor":"ricoh","product":"m_c2000_firmware"},{"vendor":"ricoh","product":"m_c250fw_firmware"},{"vendor":"ricoh","product":"m_c250fwb_firmware"},{"vendor":"ricoh","product":"p_310_firmware"},{"vendor":"ricoh","product":"p_311_firmware"},{"vendor":"ricoh","product":"p_c300w_firmware"},{"vendor":"ricoh","product":"p_c301w_firmware"},{"vendor":"ricoh","product":"sp_212nw_firmware"},{"vendor":"ricoh","product":"sp_212sfnw_firmware"},{"vendor":"ricoh","product":"sp_212sfw_firmware"},{"vendor":"ricoh","product":"sp_212snw_firmware"},{"vendor":"ricoh","product":"sp_212suw_firmware"},{"vendor":"ricoh","product":"sp_212w_firmware"},{"vendor":"ricoh","product":"sp_213nw_firmware"},{"vendor":"ricoh","product":"sp_213sfnw_firmware"},{"vendor":"ricoh","product":"sp_213sfw_firmware"},{"vendor":"ricoh","product":"sp_213snw_firmware"},{"vendor":"ricoh","product":"sp_213suw_firmware"},{"vendor":"ricoh","product":"sp_213w_firmware"},{"vendor":"ricoh","product":"sp_220nw_firmware"},{"vendor":"ricoh","product":"sp_220sfnw_firmware"},{"vendor":"ricoh","product":"sp_220snw_firmware"},{"vendor":"ricoh","product":"sp_221nw_firmware"},{"vendor":"ricoh","product":"sp_221s_firmware"},{"vendor":"ricoh","product":"sp_221sf_firmware"},{"vendor":"ricoh","product":"sp_221sfnw_firmware"},{"vendor":"ricoh","product":"sp_221snw_firmware"},{"vendor":"ricoh","product":"sp_277nwx_firmware"},{"vendor":"ricoh","product":"sp_277sfnwx_firmware"},{"vendor":"ricoh","product":"sp_277snwx_firmware"},{"vendor":"ricoh","product":"sp_310dnw_firmware"},{"vendor":"ricoh","product":"sp_310sfnw_firmware"},{"vendor":"ricoh","product":"sp_311dnw_firmware"},{"vendor":"ricoh","product":"sp_311sfnw_firmware"},{"vendor":"ricoh","product":"sp_312dnw_firmware"},{"vendor":"ricoh","product":"sp_312sfnw_firmware"},{"vendor":"ricoh","product":"sp_320dn_firmware"},{"vendor":"ricoh","product":"sp_320sfn_firmware"},{"vendor":"ricoh","product":"sp_320sn_firmware"},{"vendor":"ricoh","product":"sp_325dnw_firmware"},{"vendor":"ricoh","product":"sp_325sfnw_firmware"},{"vendor":"ricoh","product":"sp_325snw_firmware"},{"vendor":"ricoh","product":"sp_330dn_firmware"},{"vendor":"ricoh","product":"sp_330sfn_firmware"},{"vendor":"ricoh","product":"sp_330sn_firmware"},{"vendor":"ricoh","product":"sp_3710dn_firmware"},{"vendor":"ricoh","product":"sp_3710sf_firmware"},{"vendor":"ricoh","product":"sp_377dnwx_firmware"},{"vendor":"ricoh","product":"sp_377sfnwx_firmware"},{"vendor":"ricoh","product":"sp_377snwx_firmware"},{"vendor":"ricoh","product":"sp_c250dn_firmware"},{"vendor":"ricoh","product":"sp_c250sf_firmware"},{"vendor":"ricoh","product":"sp_c252dn_firmware"},{"vendor":"ricoh","product":"sp_c252sf_firmware"},{"vendor":"ricoh","product":"sp_c260dnw_firmware"},{"vendor":"ricoh","product":"sp_c260sfnw_firmware"},{"vendor":"ricoh","product":"sp_c261dnw_firmware"},{"vendor":"ricoh","product":"sp_c261sfnw_firmware"},{"vendor":"ricoh","product":"sp_c262dnw_firmware"},{"vendor":"ricoh","product":"sp_c262sfnw_firmware"}],"references":[{"url":"https://github.com/Ainevsia/CVE-Request/tree/main/Ricoh/1","tags":["x_refsource_MISC","x_transferred","Exploit","Third Party Advisory"]},{"url":"https://www.ricoh.com/info/2022/0228_1/","tags":["x_refsource_MISC","x_transferred","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-33945"},{"url":"https://github.com/advisories/GHSA-gv77-w94g-p6r7"}],"sources":{"cve":[{"id":"CVE-2021-33945","description":"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.","status":"published","published":"2022-02-15T19:08:26Z","modified":"2024-08-04T00:05:52.451Z","updated_at":"2026-11-02T14:33:10.204494Z"}],"euvd":[{"id":"EUVD-2021-20616","description":"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.","status":"published","published":"2022-02-15T19:08:26Z","modified":"2024-08-04T00:05:52Z","updated_at":"2026-11-03T03:24:33.318275Z"}],"ghsa":[{"id":"GHSA-gv77-w94g-p6r7","title":"RICOH Printer series SP products 320DN, SP 325DNw, SP 320SN, SP 320SFN, SP 325SNw, SP 325SFNw, SP...","description":"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.","status":"published","published":"2022-02-16T00:01:07Z","modified":"2023-02-03T05:06:05Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical"}],"cwes":["CWE-787"],"updated_at":"2026-11-02T14:53:50.284505Z"}],"nvd":[{"id":"CVE-2021-33945","description":"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.","status":"published","published":"2022-02-15T20:15:07.407Z","modified":"2026-06-17T03:55:23.4Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"primary"},{"version":"2.0","score":7.5,"vector":"AV:N/AC:L/Au:N/C:P/I:P/A:P","level":"high","assessor":"primary"}],"cwes":["CWE-787"],"updated_at":"2026-11-02T14:07:04.6896Z"}]}}