ZDI-26-206: (Pwn2Own) Canon imageCLASS MF654Cdw TTF Parsing Out-Of-Bounds Write 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-2025-14235.

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-26-206?

The severity of ZDI-26-206 is classified as a critical remote code execution vulnerability.

How do I fix ZDI-26-206?

To fix ZDI-26-206, ensure that your Canon imageCLASS MF654Cdw printer is updated with the latest firmware provided by Canon.

Who is affected by ZDI-26-206?

The affected users are those operating Canon imageCLASS MF654Cdw printers that have not been patched against the vulnerability.

What can attackers do by exploiting ZDI-26-206?

By exploiting ZDI-26-206, attackers can execute arbitrary code on the affected Canon printers, posing a significant security risk.

Is authentication required to exploit ZDI-26-206?

No, authentication is not required to exploit ZDI-26-206, making it particularly dangerous for network-adjacent attackers.

Company

Resources

Contact

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