CVE-2021-33945
RICOH Printer series SP products 320DN, SP 325DNw, SP 320SN, SP 320SFN, SP 325SNw, SP 325SFNw, SP...
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.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
NVD Score used
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.
- Record
CVE-2021-33945- CVSS 3.1
- 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - CVSS 2.0
- 7.5 High
AV:N/AC:L/Au:N/C:P/I:P/A:P - Weakness
- CWE-787
- Updated
- 2026-11-02
CVE List No score
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.
- Record
CVE-2021-33945- Updated
- 2026-11-02
EUVDEUVD-2021-20616 No score
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.
- Record
EUVD-2021-20616- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-gv77-w94g-p6r7
RICOH Printer series SP products 320DN, SP 325DNw, SP 320SN, SP 320SFN, SP 325SNw, SP 325SFNw, SP...
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.
- Record
GHSA-gv77-w94g-p6r7- CVSS 3.1
- 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-787
- Updated
- 2026-11-02
Affected products
- ricoh aficio sp 3500sf firmware
- ricoh m 2700 firmware
- ricoh m 2701 firmware
- ricoh m 320 firmware
- ricoh m 320f firmware
- ricoh m 320fb firmware
- ricoh m c2000 firmware
- ricoh m c250fw firmware
- ricoh m c250fwb firmware
- ricoh p 310 firmware
- ricoh p 311 firmware
- ricoh p c300w firmware
Show 54 moreShow less
- ricoh p c301w firmware
- ricoh sp 212nw firmware
- ricoh sp 212sfnw firmware
- ricoh sp 212sfw firmware
- ricoh sp 212snw firmware
- ricoh sp 212suw firmware
- ricoh sp 212w firmware
- ricoh sp 213nw firmware
- ricoh sp 213sfnw firmware
- ricoh sp 213sfw firmware
- ricoh sp 213snw firmware
- ricoh sp 213suw firmware
- ricoh sp 213w firmware
- ricoh sp 220nw firmware
- ricoh sp 220sfnw firmware
- ricoh sp 220snw firmware
- ricoh sp 221nw firmware
- ricoh sp 221s firmware
- ricoh sp 221sf firmware
- ricoh sp 221sfnw firmware
- ricoh sp 221snw firmware
- ricoh sp 277nwx firmware
- ricoh sp 277sfnwx firmware
- ricoh sp 277snwx firmware
- ricoh sp 310dnw firmware
- ricoh sp 310sfnw firmware
- ricoh sp 311dnw firmware
- ricoh sp 311sfnw firmware
- ricoh sp 312dnw firmware
- ricoh sp 312sfnw firmware
- ricoh sp 320dn firmware
- ricoh sp 320sfn firmware
- ricoh sp 320sn firmware
- ricoh sp 325dnw firmware
- ricoh sp 325sfnw firmware
- ricoh sp 325snw firmware
- ricoh sp 330dn firmware
- ricoh sp 330sfn firmware
- ricoh sp 330sn firmware
- ricoh sp 3710dn firmware
- ricoh sp 3710sf firmware
- ricoh sp 377dnwx firmware
- ricoh sp 377sfnwx firmware
- ricoh sp 377snwx firmware
- ricoh sp c250dn firmware
- ricoh sp c250sf firmware
- ricoh sp c252dn firmware
- ricoh sp c252sf firmware
- ricoh sp c260dnw firmware
- ricoh sp c260sfnw firmware
- ricoh sp c261dnw firmware
- ricoh sp c261sfnw firmware
- ricoh sp c262dnw firmware
- ricoh sp c262sfnw firmware
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2021-33945 is a critical vulnerability (CVSS 9.8) in Ricoh Aficio Sp 3500sf Firmware, published February 15, 2022. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.85%, the 79th percentile. No source names a fixed version.