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CVE-2025-14231

Canon - Print Job Processing by WSD

Canon CVSS 9.8 Updated April 6, 2026

Executive Risk Summary

"A buffer overflow vulnerability in the print job processing by WSD on Canon Small Office Multifunction Printers and Laser Printers may allow an attacker on the network segment to trigger the affected product being unresponsive or to execute arbitrary code. This vulnerability affects various Canon printer models sold in Japan, the US, and Europe with firmware v06.02 and earlier."

Anticipated Attack Path

  1. 1. Attacker sends a malicious print job to the Canon printer
  2. 2. Buffer overflow occurs in the print job processing by WSD
  3. 3. Attacker gains the ability to execute arbitrary code on the printer

Am I Vulnerable?

  • Verify the firmware version of the Canon printer
  • Check for any suspicious print jobs or network activity
  • Apply the firmware update provided by Canon to remediate the vulnerability

Operational Audit Arsenal

Target Type Service
Target Asset WSD
Standard Path Canon Printer Firmware

Manual Verification Required

This is a non-Windows asset (Canon). Use the target asset details and official path provided above to verify your current version against the official vendor advisories listed below.

Patch Impact Forecast

Reboot Required Likely

Potential disruption to print services during firmware update

Internal Work Notes

CVE-2025-14231: Buffer overflow vulnerability in Canon print job processing by WSD, requiring firmware update to prevent potential code execution

Technical Intelligence & Operational Utilities • Delivered Weekly

Intelligence Sources

Related Canon Threats

Data compiled from NVD, MSRC, and CISA KEV Catalog. Intelligence synthesized via AI. Scripts provided for diagnostic purposes under MIT License.