CVE-2026-101040
Ricoh SP 330DN/SP 221/SP C252SF/Aficio SP 3500SF HTTP Multipart Form-Data denial of service
Ricoh SP 330DN
CVSS
7.1HighExploitationPublic exploit codeCISA's assessment says proof of concept code is public, assessed 1 Oct 2026. Not in the KEV catalogCISA via CVE List
Exploit odds (EPSS)0.42%Chance of exploitation activity in the next 30 days, higher than 35% of CVEs. Scored 23 Oct 2026FIRST EPSS
Fixed inNone listedNo source names a fixed version. Check the vendor advisory below
What fixes it
No source in this snapshot names a fixed version. The vendor advisories under References are the place to check.
Description
A security flaw has been discovered in Ricoh SP 330DN, SP 221, SP C252SF and Aficio SP 3500SF up to 20260813. This affects an unknown part of the component HTTP Multipart Form-Data Parser. Performing a manipulation results in denial of service. The attack is possible to be carried out remotely. The exploit has been released to the public and may be used for attacks. The vendor was contacted early about this disclosure but did not respond in any way.
Text from CVE List
Affected versions 4
- SP 330DNaffected: 20260813CVE List
- SP 221affected: 20260813CVE List
- SP C252SFaffected: 20260813CVE List
- Aficio SP 3500SFaffected: 20260813CVE List
References 9
- vuldb.com/cve/CVE-2026-101040Advisoryvia CVE List
- vuldb.com/submit/927274Advisoryvia CVE List
- vuldb.com/submit/927275Advisoryvia CVE List
- vuldb.com/submit/927289Advisoryvia CVE List
- vuldb.com/submit/927478Advisoryvia CVE List
- github.com/xiaobor123/vuls-find-VxWorks/blob/main/RICOH/03-SP330DN-multipart-parser-infinite-loop/poc.pyExploitvia CVE List
- vuldb.com/vuln/410908Referencevia CVE List
- vuldb.com/vuln/410908/ctiReferencevia CVE List
- github.com/xiaobor123/vuls-find-VxWorks/tree/main/RICOH/03-SP330DN-multipart-parser-infinite-loopReferencevia CVE List