ZDI-26-205: (Pwn2Own) Canon imageCLASS MF654Cdw PJCC 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-2025-14234.

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
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Frequently Asked Questions

1

What is the severity of ZDI-26-205?

ZDI-26-205 has a high severity rating due to its potential for remote code execution.

2

How do I fix ZDI-26-205?

To fix ZDI-26-205, apply the latest firmware updates provided by Canon for the imageCLASS MF654Cdw printer.

3

Who is affected by ZDI-26-205?

Network-adjacent users of the Canon imageCLASS MF654Cdw printer are affected by ZDI-26-205.

4

Can ZDI-26-205 be exploited remotely?

Yes, ZDI-26-205 can be exploited remotely without the need for authentication.

5

What types of attacks can ZDI-26-205 enable?

ZDI-26-205 can enable arbitrary code execution attacks on vulnerable installations of the printer.

Company

Resources

Contact

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ZDI-26-205 - (Pwn2Own) Canon imageCLASS MF654Cdw PJCC Request Parsing Heap-based Buffer Overflow Remote Code Execution Vulnerability - SecAlerts