CVE-2026-101040 (GCVE-0-2026-101040)

Vulnerability from cvelistv5 – Published: 2026-09-28 11:00 – Updated: 2026-09-28 11:00
VLAI
Title
Ricoh SP 330DN/SP 221/SP C252SF/Aficio SP 3500SF HTTP Multipart Form-Data denial of service
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.
Severity
7.1 (High)
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
6.5 (Medium)
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
6.5 (Medium)
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
CWE
Assigner
References
Impacted products
Vendor Product Version CPE status
Ricoh SP 330DN Affected: 20260813
    cpe:2.3:a:ricoh:sp_330dn:*:*:*:*:*:*:*:*
Create a notification for this product.
Ricoh SP 221 Affected: 20260813
    cpe:2.3:a:ricoh:sp_221:*:*:*:*:*:*:*:*
Create a notification for this product.
Ricoh SP C252SF Affected: 20260813
    cpe:2.3:a:ricoh:sp_c252sf:*:*:*:*:*:*:*:*
Create a notification for this product.
Ricoh Aficio SP 3500SF Affected: 20260813
    cpe:2.3:a:ricoh:aficio_sp_3500sf:*:*:*:*:*:*:*:*
Create a notification for this product.
Credits
xiaobor123 (VulDB User) VulDB CNA Team
Show details on NVD website
To clipboard 

{
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        {
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            "cpe:2.3:a:ricoh:sp_330dn:*:*:*:*:*:*:*:*"
          ],
          "modules": [
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          ],
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              "version": "20260813"
            }
          ]
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          "cpes": [
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          ],
          "modules": [
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          ],
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          "vendor": "Ricoh",
          "versions": [
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              "version": "20260813"
            }
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        },
        {
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          ],
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          ],
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            }
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        },
        {
          "cpes": [
            "cpe:2.3:a:ricoh:aficio_sp_3500sf:*:*:*:*:*:*:*:*"
          ],
          "modules": [
            "HTTP Multipart Form-Data Parser"
          ],
          "product": "Aficio SP 3500SF",
          "vendor": "Ricoh",
          "versions": [
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            }
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          "type": "reporter",
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        {
          "lang": "en",
          "value": "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."
        }
      ],
      "metrics": [
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            "baseSeverity": "HIGH",
            "vectorString": "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",
            "version": "4.0"
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            "baseSeverity": "MEDIUM",
            "vectorString": "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",
            "version": "3.1"
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            "vectorString": "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",
            "version": "3.0"
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            "baseScore": 6.8,
            "vectorString": "AV:N/AC:L/Au:S/C:N/I:N/A:C/E:POC/RL:ND/RC:UR",
            "version": "2.0"
          }
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              "description": "Denial of Service",
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              "type": "CWE"
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      "providerMetadata": {
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        "orgId": "1af790b2-7ee1-4545-860a-a788eba489b5",
        "shortName": "VulDB"
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          "name": "VDB-410908 | Ricoh SP 330DN/SP 221/SP C252SF/Aficio SP 3500SF HTTP Multipart Form-Data denial of service",
          "tags": [
            "vdb-entry"
          ],
          "url": "https://vuldb.com/vuln/410908"
        },
        {
          "name": "VDB-410908 | CTI Indicators (IOB, IOC, TTP)",
          "tags": [
            "signature",
            "permissions-required"
          ],
          "url": "https://vuldb.com/vuln/410908/cti"
        },
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          "tags": [
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          "url": "https://vuldb.com/cve/CVE-2026-101040"
        },
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          "name": "Submit #927274 | RICOH RICOH SP 330DN V1.11 Denial of Service",
          "tags": [
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          "url": "https://vuldb.com/submit/927274"
        },
        {
          "name": "Submit #927275 | RICOH SP 221 V1.02 Denial of Service (Duplicate)",
          "tags": [
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          ],
          "url": "https://vuldb.com/submit/927275"
        },
        {
          "name": "Submit #927289 | RICOH SP C252SF V1.17 Denial of Service (Duplicate)",
          "tags": [
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          ],
          "url": "https://vuldb.com/submit/927289"
        },
        {
          "name": "Submit #927478 | RICOH Aficio SP 3500SF V2.14 Stack-based Buffer Overflow (Duplicate)",
          "tags": [
            "third-party-advisory"
          ],
          "url": "https://vuldb.com/submit/927478"
        },
        {
          "tags": [
            "related"
          ],
          "url": "https://github.com/xiaobor123/vuls-find-VxWorks/tree/main/RICOH/03-SP330DN-multipart-parser-infinite-loop"
        },
        {
          "tags": [
            "exploit"
          ],
          "url": "https://github.com/xiaobor123/vuls-find-VxWorks/blob/main/RICOH/03-SP330DN-multipart-parser-infinite-loop/poc.py"
        }
      ],
      "timeline": [
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          "lang": "en",
          "time": "2026-09-27T00:00:00.000Z",
          "value": "Advisory disclosed"
        },
        {
          "lang": "en",
          "time": "2026-09-27T02:00:00.000Z",
          "value": "VulDB entry created"
        },
        {
          "lang": "en",
          "time": "2026-09-28T11:53:59.000Z",
          "value": "VulDB entry last update"
        }
      ],
      "title": "Ricoh SP 330DN/SP 221/SP C252SF/Aficio SP 3500SF HTTP Multipart Form-Data denial of service",
      "x_generator": [
        "VulDB PVTS v202609"
      ]
    }
  },
  "cveMetadata": {
    "assignerOrgId": "1af790b2-7ee1-4545-860a-a788eba489b5",
    "assignerShortName": "VulDB",
    "cveId": "CVE-2026-101040",
    "datePublished": "2026-09-28T11:00:13.020Z",
    "dateReserved": "2026-09-27T14:33:04.218Z",
    "dateUpdated": "2026-09-28T11:00:13.020Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2",
  "vulnerability-lookup:meta": {
    "nvd": {
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              {
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                  "cpe:2.3:a:ricoh:sp_330dn:*:*:*:*:*:*:*:*"
                ],
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                ],
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                ],
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                ],
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                "vendor": "Ricoh",
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          }
        ],
        "id": "CVE-2026-101040",
        "lastModified": "2026-09-28T15:16:04.793",
        "metrics": {
          "cvssMetricV2": [
            {
              "acInsufInfo": false,
              "baseSeverity": "MEDIUM",
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                "accessVector": "NETWORK",
                "authentication": "SINGLE",
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                "Recovery": "NOT_DEFINED",
                "Safety": "NOT_DEFINED",
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                "confidentialityRequirement": "NOT_DEFINED",
                "exploitMaturity": "PROOF_OF_CONCEPT",
                "integrityRequirement": "NOT_DEFINED",
                "modifiedAttackComplexity": "NOT_DEFINED",
                "modifiedAttackRequirements": "NOT_DEFINED",
                "modifiedAttackVector": "NOT_DEFINED",
                "modifiedPrivilegesRequired": "NOT_DEFINED",
                "modifiedSubAvailabilityImpact": "NOT_DEFINED",
                "modifiedSubConfidentialityImpact": "NOT_DEFINED",
                "modifiedSubIntegrityImpact": "NOT_DEFINED",
                "modifiedUserInteraction": "NOT_DEFINED",
                "modifiedVulnAvailabilityImpact": "NOT_DEFINED",
                "modifiedVulnConfidentialityImpact": "NOT_DEFINED",
                "modifiedVulnIntegrityImpact": "NOT_DEFINED",
                "privilegesRequired": "LOW",
                "providerUrgency": "NOT_DEFINED",
                "subAvailabilityImpact": "NONE",
                "subConfidentialityImpact": "NONE",
                "subIntegrityImpact": "NONE",
                "userInteraction": "NONE",
                "valueDensity": "NOT_DEFINED",
                "vectorString": "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",
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                "vulnIntegrityImpact": "NONE",
                "vulnerabilityResponseEffort": "NOT_DEFINED"
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              "type": "Secondary"
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        "published": "2026-09-28T11:16:43.773",
        "references": [
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          },
          {
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            "url": "https://vuldb.com/cve/CVE-2026-101040"
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        "vulnStatus": "Deferred",
        "weaknesses": [
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                "value": "CWE-404"
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            ],
            "source": "cna@vuldb.com",
            "type": "Primary"
          }
        ]
      }
    }
  }
}



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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

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Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



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