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CVE-2024-39927

INDEX BUILT · 2026-09-20

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Out-of-bounds write vulnerability exists in Ricoh MFPs and printers

CVE-2024-399273 of 4 sources documented this
unranked

No rank

rank@v1 withholds a number for this record

nothing this rule scores is held for this record, so there is no ordering to state. That is a fact about the sources, not a finding about the software.

Hindsight · the state

0.00576EPSSNOT IN KEVas of 2026-09-20
Severitynot scored
Harmnot stated
Exploitationnone in held sources
Defenseno fix version held
Movementscoring model changedreceipt
PLATEAU10Minimal movement since 2024-07-10, 705 days at 0.01, as of 2026-06-15. arc-rules@v1

Foresight · where to check next

Ivanti ConnectWatchGuardVMware ESXiFortinetMicrosoft Windows39927

This record is one instance of CWE-787, out-of-bounds write. The index holds 14893 prior instances of this class, 164 KEV-listed. The nearest of its KEV-listed records are drawn beside this. taxonomy@v1

Full pattern panel

Prior records in this weakness class. Each is its own record, dated and receipted.
Color is a claim, not decoration:the hostile worldthe defenseno signal

Running Ricoh Company, Ltd. IM C3510/C3010? Check your version

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Harm, if it fires from the vector and the weakness

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ReachNo CVSS vector in held sources, so no reach or impact can be stated.
Weakness classCWE-787 Out-of-bounds Writereceipt
Published consequencesCWE-787: Integrity: Modify Memory, Execute Unauthorized Code or Commands; Availability: DoS: Crash, Exit, or Restart; Other: Unexpected State[email protected]

CISA KEV & Federal Remediation Deadline from the record and CISA

The fix, and how long it's been waiting.

Fixed inNo fix version in held sources, as the index stood on 15 Jun 2026.
Patch available sinceNo dated patch-availability record in held sources. The index holds reference URLs without dates and only the current revision of the CVE record, so the day a fix first existed cannot be derived. Only the versions it landed in.

Exploit Status & Known PoCs a ladder, not a score

Current rung: Nothing observed in held sources.

  • RUNG 1Nothing observed in held sources
  • RUNG 2Proof-of-concept published
  • RUNG 3Exploited in the wild · CISA KEV listed
  • RUNG 4Ransomware campaign use known

Authority who says so

Exploit probability0.00576 · top 54% of all CVEsreceipt
Assigned byjpcertreceipt
Recorded changes12 · last 19 Sep 2026derived

Affected & Fixed Versions as published

Affected productRicoh Company, Ltd. IM C3510/C3010; Ricoh Company, Ltd. IM C6010/C5510/C4510; Ricoh Company, Ltd. IM C2510/C2010; Ricoh Company, Ltd. IM C7010; Ricoh Company, Ltd. IM 460F/460FTL/370/370F…receipt

A rung lights from a row in the index, never from an assessment. "Held sources" is the true scope of the claim: this index reads the CVE record, NVD, CISA KEV, FIRST's EPSS and public proof-of-concept repositories, and it does not observe attacks.

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What it is stated by the CNA

Out-of-bounds write vulnerability exists in Ricoh MFPs and printers. If a remote attacker sends a specially crafted request to the affected products, the products may be able to cause a denial-of-service (DoS) condition and/or user's data may be destroyed. receipt

NVD's analysis a second authority

weakness
CWE-787
also scored by
8.2 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:H

check it yourself ricoh.com jp.ricoh.com jvn.jp jvn.jp receipt

Movement the material steps

10 Jul 20240.00045
17 Mar 20250.00585 · scoring model v2025.03.14
15 Jun 20260.00576 · scoring model v2026.06.15
Show all 12 observations
10 Jul 20240.00045
17 Mar 20250.00585
26 Mar 20250.00614
29 Mar 20250.00636
30 Mar 20250.00614
15 Apr 20250.00445
6 May 20250.0047
18 Aug 20250.00972
27 Aug 20250.00625
18 Nov 20250.00649
21 Nov 20250.00625
15 Jun 20260.00576

12 observations held. A highlighted step crossed a promotion threshold. A step marked with a scoring model moved because the instrument was replaced, not because the vulnerability changed. receipt

The full biography

EPSS 0.00576Published2024-07-10Index as of2026-06-15

The record had been public for 1 year, 11 months when this index was last written.

Published 2024-07-10 receipt · Index as of 2026-06-15 derived

The pattern, elsewhere

This record is one instance of CWE-787, out-of-bounds write. The index holds 14893 prior instances of this class, 164 KEV-listed. The nearest of its KEV-listed records are drawn beside this. [email protected]

CVE-2025-0282 · Ivanti Connect Secureonly 1 attribute comparableKEV listed · 2025receipt
CVE-2025-14733 · WatchGuard Fireware OSonly 1 attribute comparableKEV listed · 2025receipt
CVE-2025-22225 · VMware ESXionly 1 attribute comparableKEV listed · 2025receipt
CVE-2025-22457 · Ivanti Connect Secureonly 1 attribute comparableKEV listed · 2025receipt
CVE-2024-21762 · Fortinet FortiProxyonly 1 attribute comparableKEV listed · 2024receipt
CVE-2024-30051 · Microsoft Windows 10 Version 1809only 1 attribute comparableKEV listed · 2024receipt

"Matches n of m" counts the attributes the two records can both be compared on: the CVSS metrics they share a version of, any weakness class beyond this one, and the vendor. fit-rules@v1

14893 records in this class held. The six above are drawn from the ones CISA has listed as exploited, ranked by how much of the record matches this one. That is why every one of them is KEV-listed: the pool is, so the colour on those spokes says nothing the pool has not already said.

No curated product neighbourhood is held for this product, so the records above are the nearest this index can name. The neighbourhood table covers a small set of products and is extended by hand.

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