7.1

CVE-2026-101040: ricoh aficio_sp_3500sf_firmware Improper Resource Shutdown or Release

CVSS: 7.1v4.0HighDeferred
Published 28-09-2026Last modified 01-10-2026
Open JSON

Vulnerability summary

CVE-2026-101040 is a high (CVSS 7.1) Improper Resource Shutdown or Release vulnerability in ricoh aficio_sp_3500sf_firmware. EPSS estimates a 0.42% chance of exploitation in the next 30 days, higher than 35.2% of scored vulnerabilities. 1 public exploit is recorded.

Overall risk
38/100
0100
Medium · default modelHow is this calculated?
CVSS score
7.1/10
010
High · v4.0 (CVE.org)
EPSS score
0.42%
0%100%
Low · Change unavailable
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits1github

Timeline

  1. 28-09-2026
    PublishedVulnerability first disclosed.
  2. 01-10-2026
    Last modifiedVulnerability information updated.

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.

CVSS metrics

7 scores · 2 sources · 4 versions

EPSS trend

Probability

0.42%

Chance of exploitation in the next 30 days

Percentile

35%

Versus all other CVEs

30-day change

Change unavailable

Change unavailable

29-09-202622-10-2026
EPSS score
0.42%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

1 found
  • githubUnverified

    Vuls Find Vxworks

    Maturity: poc

Weaknesses

CWE · root cause

Affected systems

Ricoh4 products

1 vendor · 4 products

References

9 links