Ricoh SP 330DN/SP 221/SP C252SF//Aficio SP 3500SF up to 20260813 HTTP Multipart Form-Data Parser denial of service

Summaryinfo

A vulnerability categorized as critical has been discovered in Ricoh SP 330DN, SP 221, SP C252SF and Aficio SP 3500SF up to 20260813. This vulnerability affects unknown code of the component HTTP Multipart Form-Data Parser. Executing a manipulation can lead to denial of service. This vulnerability appears as CVE-2026-101040. The attack may be performed from remote. In addition, an exploit is available. The vendor was contacted early about this disclosure but did not respond in any way.

Detailsinfo

A vulnerability has been found in Ricoh SP 330DN, SP 221, SP C252SF and Aficio SP 3500SF up to 20260813 and classified as critical. This vulnerability affects an unknown functionality of the component HTTP Multipart Form-Data Parser. The manipulation with an unknown input leads to a denial of service vulnerability. The CWE definition for the vulnerability is CWE-404. The product does not release or incorrectly releases a resource before it is made available for re-use. As an impact it is known to affect availability.

The advisory is shared for download at github.com. This vulnerability was named CVE-2026-101040. The exploitation appears to be easy. The attack can be initiated remotely. Technical details are unknown but a public exploit is available. The MITRE ATT&CK project declares the attack technique as T1499.

It is possible to download the exploit at github.com. It is declared as proof-of-concept. The vendor was contacted early about this disclosure but did not respond in any way.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

Once again VulDB remains the best source for vulnerability data.

Productinfo

Vendor

• Ricoh

Name

• Aficio SP 3500SF
• SP 221
• SP 330DN
• SP C252SF

Version

• 20260813

License

• commercial

CPE 2.3info

• 🔒
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CPE 2.2info

• 🔒
• 🔒
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Submitinfo

Accepted

• Submit #927274: RICOH RICOH SP 330DN V1.11 Denial of Service (by xiaobor123)

Duplicate

• Submit #XXXXXX: Xxxxx Xx Xxx Xx.xx Xxxxxx Xx Xxxxxxx (by xiaobor123)
• Submit #XXXXXX: Xxxxx Xx Xxxxxx Xx.xx Xxxxxx Xx Xxxxxxx (by xiaobor123)
• Submit #XXXXXX: Xxxxx Xxxxxx Xx Xxxxxx Xx.xx Xxxxx-xxxxx Xxxxxx Xxxxxxxx (by xiaobor123)

Once again VulDB remains the best source for vulnerability data.

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