CVE-2025-14234: Canon Satera LBP670C Series · Out-of-bounds Write
Affects Canon Satera LBP670C SeriesSource CVE Database V5
Not known to be exploited · CVSS 9.3 Critical.
Data as of 26 Oct 2026, 06:26 UTC
- 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:NExploitation evidence
Disclosed: evidence found.
CVE published 15 Jan 2026
Detectable: no evidence on record.
No public nuclei template indexed
Weaponised: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by 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
| Product | Affected | Fixed in |
|---|---|---|
| Canon Inc.Satera LBP670C Series | Affected
| Fixed in– |
| Canon Inc.Satera MF750C Series | Affected
| Fixed in– |
| Canon Inc.Color imageCLASS LBP630C | Affected
| Fixed in– |
| Canon Inc.Color imageCLASS MF650C Series | Affected
| Fixed in– |
| Canon Inc.imageCLASS LBP230 Series | Affected
| Fixed in– |
| Canon Inc.imageCLASS X LBP1238 II | Affected
| Fixed in– |
| Canon Inc.imageCLASS MF450 Series | Affected
| Fixed in– |
| Canon Inc.imageCLASS X MF1238 II | Affected
| Fixed in– |
| Canon Inc.imageCLASS X MF1643i II | Affected
| Fixed in– |
| Canon Inc.imageCLASS X MF1643iF II | Affected
| Fixed in– |
| Canon Inc.i-SENSYS LBP630C Series | Affected
| Fixed in– |
| Canon Inc.i-SENSYS MF650C Series | Affected
| Fixed in– |
| Canon Inc.i-SENSYS LBP230 Series | Affected
| Fixed in– |
| Canon Inc.1238P II | Affected
| Fixed in– |
| Canon Inc.1238Pr II | Affected
| Fixed in– |
| Canon Inc.i-SENSYS MF450 Series | Affected
| Fixed in– |
| Canon Inc.i-SENSYS MF550 Series | Affected
| Fixed in– |
| Canon Inc.1238i II | Affected
| Fixed in– |
| Canon Inc.1238iF II | Affected
| Fixed in– |
| Canon Inc.imageRUNNER 1643i II | Affected
| Fixed in– |
| Canon Inc.imageRUNNER 1643iF II | Affected
| 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
- psirt.canon/advisory-information/cp2026-001/ (opens in a new tab)
- canon.jp/support/support-info/260115vulnerability-response (opens in a new tab)
- usa.canon.com/support/canon-product-advisories/Service-Notice-Regarding-Remediation-Measure-Against-Potential-Buffer-Overflow-Vulnerability-in-Laser-Printers-and-Small-Office-Multifunctional-Printers (opens in a new tab)
- canon-europe.com/support/product-security/ (opens in a new tab)