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No exploitation reported

CVE-2021-33945

No exploitation reported by the sources we read.

  • Published2022-02-15
  • WeaknessCWE-787

Am I affected?

With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.

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.

Timeline

dates in UTC
  1. 2022-02-1520:15CVE publishedNVD

Versions per branch

NVD
Ricoh sp 220sfnw firmwareversion to verify
BranchAffectedFixed in
1.6= 1.06no fix published
—all versionsno fix published
Ricoh sp 220snw firmwareversion to verify
BranchAffectedFixed in
1.6= 1.06no fix published
—all versionsno fix published
Ricoh sp 221sfnw firmwareversion to verify
BranchAffectedFixed in
1.6= 1.06no fix published
—all versionsno fix published

63 more products in the sources.

as publishedRanges as NVD and OSV publish them; a distribution’s build can be fixed under an older number.

Fix

Advisories and patches

Detection

Nuclei template
none so far
ProjectDiscovery
Exploit-DB
no entry
Exploit-DB
Proof of concept
Metasploit modules
none listed
Metasploit Framework

Sources

Identifiers

Technical details

CVSS v3 Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Published
2022-02-15
Last Modified
2026-06-17
NVD status
Modified
GitHub Advisory
GHSA-gv77-w94g-p6r7

Frequently asked questions

What is CVE-2021-33945?

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.

Is CVE-2021-33945 actively exploited?

Active exploitation of CVE-2021-33945 has not been confirmed. Its EPSS score was 1.8% on 2026-11-08, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2021-33945?

CVE-2021-33945 has a CVSS v3 base score of 9.8 (CRITICAL severity), with vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

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