CVE-2026-101040 json
Ricoh SP 330DN/SP 221/SP C252SF/Aficio SP 3500SF HTTP Multipart Form-Data denial of service
published 2026-09-28 41 d ago modified 2026-10-01 38 d ago also EUVD-2026-88216
- cvss
- 6.5
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.4%
- EPSS 0.4% chance of exploitation in 30 days, percentile 36%
- public exploits
- 0
- none known
Summary
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.
CISA SSVC
- Exploitation
- Proof of concept is public
- Automatable
- no
- Technical impact
- partial
- Assessed
- 38 d ago
Exploit prediction
0.42% chance of exploitation in the next 30 days, higher than 36% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- github.com https://github.com/xiaobor123/vuls-find-VxWorks/blob/main/RICOH/03-SP330DN-multipart-parser-infinite-loop/poc.py referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 4.0 | 7.1 | CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:P |
| CNA | 3.1 | 6.5 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H/E:P/RL:X/RC:R |
| CNA | 3.0 | 6.5 | CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H/E:P/RL:X/RC:R |
| CNA | 2.0 | 6.8 | AV:N/AC:L/Au:S/C:N/I:N/A:C/E:POC/RL:ND/RC:UR |
| CNA | 4.0 | 5.7 | CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X |
| CNA | 3.1 | 6.5 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H |
| CNA | 2.0 | 6.8 | AV:N/AC:L/Au:S/C:N/I:N/A:C |
Affected products
- Ricoh SP 330DN
- Ricoh SP 221
- Ricoh SP C252SF
- Ricoh Aficio SP 3500SF
Classification
- Weakness
-
- CWE-404 Improper Resource Shutdown or Release
References
-
github.com
/xiaobor123/vuls-find-VxWorks/blob/main/RICOH/03-SP330DN-multipart-parser-infinite-loop/poc.py
exploit
-
vuldb.com
/vuln/410908
vdb-entry
-
vuldb.com
/vuln/410908/cti
signature, permissions-required
-
vuldb.com
/cve/CVE-2026-101040
third-party-advisory
-
vuldb.com
/submit/927274
third-party-advisory
-
vuldb.com
/submit/927275
third-party-advisory
-
vuldb.com
/submit/927289
third-party-advisory
-
vuldb.com
/submit/927478
third-party-advisory
-
github.com
/xiaobor123/vuls-find-VxWorks/tree/main/RICOH/03-SP330DN-multipart-parser-infinite-loop
related
Sources
- CVE List CVE-2026-101040
- NVD CVE-2026-101040
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.