Predictive Vulnerability Intelligence.

Product

  • Product
  • Pricing
  • Documentation

Company

  • About
  • Partnerships
  • Blog
  • Support

Legal

  • Terms
  • Privacy
  • Data Licensing

© 2026 FAUCET Technologies LLC. All rights reserved.

CVE-2025-14231

34
FAUCET Score

CVE-2025-14231 is a critical buffer overflow vulnerability (CWE-787) affecting Canon Small Office Multifunction Printers and Laser Printers, specifically in their WSD print job processing. This flaw allows an unauthenticated attacker on the same network segment to trigger a denial of service or execute arbitrary code on affected devices running firmware v06.02 and earlier. With a CVSS score of 9.8 (CRITICAL), the vulnerability has a network attack vector, low attack complexity, and high impact on confidentiality, integrity, and availability. While there is no known active exploitation, public exploit code, or KEV entry, the vulnerability has garnered significant community discussion with over 12 mentions, indicating awareness within the cybersecurity community.

Impacted Technologies

VendorProductVersion(s)CPE
<= 06.02CPE matchmatch criteria
cpe:2.3:o:canon:lbp1238_ii_firmware:*:*:*:*:*:*:*:*
<= 06.02CPE matchmatch criteria
cpe:2.3:o:canon:lbp632cdw_firmware:*:*:*:*:*:*:*:*
<= 06.02CPE matchmatch criteria
cpe:2.3:o:canon:lbp633cdw_firmware:*:*:*:*:*:*:*:*
<= 06.02CPE matchmatch criteria
cpe:2.3:o:canon:lbp236dw_firmware:*:*:*:*:*:*:*:*
<= 06.02CPE matchmatch criteria
cpe:2.3:o:canon:lbp237dw_firmware:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 4.0

9.3CRITICAL

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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

Attack Vector
NETWORK
Attack Complexity
LOW
Attack Requirements
NONE
Privileges Required
NONE
User Interaction
NONE
VS Confidentiality
HIGH
VS Integrity
HIGH
VS Availability
HIGH
SS Confidentiality
NONE
SS Integrity
NONE
SS Availability
NONE
Exploit Maturity
NOT_DEFINED
CvssVersion
4.0

Exploit Intelligence

EPSS Score
0.83%
Probability of exploitation in next 30 days
EPSS Percentile
53.8%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0083 is in the 38th percentile among its peer group of 36,862 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.3 Bluesky, 0.3 Mastodon, and 2.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

canon.jp / support/support-info/260115vulnerability-response
Vendor Advisory
psirt.canon / advisory-information/cp2026-001
Vendor Advisory
canon-europe.com / support/product-security
Vendor Advisory
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
Vendor Advisory