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CVE-2025-14234VulnerabilityPublished Updated

CVE-2025-14234: Canon Satera LBP670C Series · Out-of-bounds Write

Affects Canon Satera LBP670C SeriesSource CVE Database V5

0

Not known to be exploited · CVSS 9.3 Critical.

Data as of 26 Oct 2026, 06:26 UTC

CVSS 4.0 base score
9.3Critical
How severe the flaw is on the 0–10 CVSS scale.
EPSS
0.9% chance of exploitation in 30 days – higher than 59% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 15 Jan 2026

  2. Detectable: no evidence on record.

    No public nuclei template indexed

  3. Weaponised: no evidence on record.

    No public exploit code indexed in Metasploit or Exploit-DB

  4. Exploited in the wild: no evidence on record.

    Not in CISA KEV and no source reports exploitation

  5. Observed by OffSeq Mirage: no evidence on record.

    No attack traffic recorded by OffSeq Mirage sensors

A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 2026-10-26.

What to do

Affected software

ProductAffectedFixed in
Canon Inc.Satera LBP670C SeriesAffected
  • =06.02 and earlier
Fixed in–
Canon Inc.Satera MF750C SeriesAffected
  • =06.02 and earlier
Fixed in–
Canon Inc.Color imageCLASS LBP630CAffected
  • =06.02 and earlier
Fixed in–
Canon Inc.Color imageCLASS MF650C SeriesAffected
  • =06.02 and earlier
Fixed in–
Canon Inc.imageCLASS LBP230 SeriesAffected
  • =06.02 and earlier
Fixed in–
Canon Inc.imageCLASS X LBP1238 IIAffected
  • =06.02 and earlier
Fixed in–
Canon Inc.imageCLASS MF450 SeriesAffected
  • =06.02 and earlier
Fixed in–
Canon Inc.imageCLASS X MF1238 IIAffected
  • =06.02 and earlier
Fixed in–
Canon Inc.imageCLASS X MF1643i IIAffected
  • =06.02 and earlier
Fixed in–
Canon Inc.imageCLASS X MF1643iF IIAffected
  • =06.02 and earlier
Fixed in–
Canon Inc.i-SENSYS LBP630C SeriesAffected
  • =06.02 and earlier
Fixed in–
Canon Inc.i-SENSYS MF650C SeriesAffected
  • =06.02 and earlier
Fixed in–
Canon Inc.i-SENSYS LBP230 SeriesAffected
  • =06.02 and earlier
Fixed in–
Canon Inc.1238P IIAffected
  • =06.02 and earlier
Fixed in–
Canon Inc.1238Pr IIAffected
  • =06.02 and earlier
Fixed in–
Canon Inc.i-SENSYS MF450 SeriesAffected
  • =06.02 and earlier
Fixed in–
Canon Inc.i-SENSYS MF550 SeriesAffected
  • =06.02 and earlier
Fixed in–
Canon Inc.1238i IIAffected
  • =06.02 and earlier
Fixed in–
Canon Inc.1238iF IIAffected
  • =06.02 and earlier
Fixed in–
Canon Inc.imageRUNNER 1643i IIAffected
  • =06.02 and earlier
Fixed in–
Canon Inc.imageRUNNER 1643iF IIAffected
  • =06.02 and earlier
Fixed in–

AI-suggested

In the meantime, restricting network access to affected devices to trusted segments and limiting exposure to untrusted networks may reduce risk.

Description

CVE-2025-14234 is a critical buffer overflow vulnerability (CWE-787) in the CPCA list processing component of Canon Small Office Multifunction Printers and Laser Printers, including the Satera LBP670C Series and related models. This flaw affects firmware versions 06.02 and earlier across multiple product lines sold in Japan, the US, and Europe. An attacker on the same network segment could exploit this vulnerability to cause the device to become unresponsive or potentially execute arbitrary code. The vulnerability has a high CVSS 4.0 score of 9.3, indicating significant risk. No official patch or remediation information is currently provided by the vendor. There are no known exploits in the wild at this time.

References

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