ZDI-CAN-28346: ZDI-26-203: (Pwn2Own) Canon imageCLASS MF654Cdw XML SOAP Request Parsing Heap-based Buffer Overflow Remote Code Execution Vulnerability

Published Mar 16, 2026

Updated

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 ZDI has assigned a CVSS rating of 8.8. The following CVEs are assigned: CVE-2025-14231.

Affected Software

1 affected component

Canon imageCLASS MF654Cdw

Event History

Mar 16, 2026

Advisory Published

via ZDI·05:00 AM

Data Sourced

via ZDI·05:00 AM

Description

Frequently Asked Questions

What is the severity of ZDI-CAN-28346?

The severity of ZDI-CAN-28346 is high due to its potential to allow remote code execution.

How do I fix ZDI-CAN-28346?

To address ZDI-CAN-28346, you should apply the latest firmware updates provided by Canon for the imageCLASS MF654Cdw.

What type of vulnerability is ZDI-CAN-28346?

ZDI-CAN-28346 is a heap-based buffer overflow vulnerability.

Who is affected by ZDI-CAN-28346?

ZDI-CAN-28346 affects installations of Canon imageCLASS MF654Cdw printers that are exposed to network adjacency.

Can ZDI-CAN-28346 be exploited remotely?

Yes, ZDI-CAN-28346 can be exploited remotely by attackers without authentication.

Company

Resources

Contact

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