Advisory Details

March 16th, 2026

(Pwn2Own) Canon imageCLASS MF654Cdw XPS Parser Stack-based Buffer Overflow Remote Code Execution Vulnerability

ZDI-26-204
ZDI-CAN-28268

CVE ID CVE-2025-14232
CVSS SCORE 8.8, AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
AFFECTED VENDORS Canon
AFFECTED PRODUCTS imageCLASS MF654Cdw
VULNERABILITY DETAILS

This vulnerability allows network-adjacent attackers to execute arbitrary code on affected installations of Canon imageCLASS MF654Cdw printers. Authentication is not required to exploit this vulnerability.

The specific flaw exists within the parsing of XPS files. The issue results from the lack of proper validation of the length of user-supplied data prior to copying it to a stack-based buffer. An attacker can leverage this vulnerability to execute code in the context of the device.
ADDITIONAL DETAILS Canon has issued an update to correct this vulnerability. More details can be found at:
https://www.canon-europe.com/support/product-security/
DISCLOSURE TIMELINE
  • 2025-11-11 - Vulnerability reported to vendor
  • 2026-03-16 - Coordinated public release of advisory
  • 2026-03-16 - Advisory Updated
CREDIT SHIMIZU Yutaro (@shift_crops) of GMO Cybersecurity by Ierae, Inc.
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