CVE-2025-14234: Buffer Overflow

Published Jan 15, 2026
·
Updated

Buffer overflow in CPCA list processing on Small Office Multifunction Printers and Laser Printers() which may allow an attacker on the network segment to trigger the affected product being unresponsive or to execute arbitrary code. : Satera LBP670C Series/Satera MF750C Series firmware v06.02 and earlier sold in Japan.Color imageCLASS LBP630C/Color imageCLASS MF650C Series/imageCLASS LBP230 Series/imageCLASS X LBP1238 II/imageCLASS MF450 Series/imageCLASS X MF1238 II/imageCLASS X MF1643i II/imageCLASS X MF1643iF II firmware v06.02 and earlier sold in US.i-SENSYS LBP630C Series/i-SENSYS MF650C Series/i-SENSYS LBP230 Series/1238P II/1238Pr II/i-SENSYS MF450 Series/i-SENSYS MF550 Series/1238i II/1238iF II/imageRUNNER 1643i II/imageRUNNER 1643iF II firmware v06.02 and earlier sold in Europe.

Affected Software

35 affected components
Canon Satera LBP670C Series/Satera MF750C Series<=06.02
Canon Color imageCLASS LBP630C/Color imageCLASS MF650C Series/imageCLASS LBP230 Series/imageCLASS X LBP1238 II/imageCLASS MF450 Series/imageCLASS X MF1238 II/imageCLASS X MF1643i II/imageCLASS X MF1643iF II<=06.02
Canon i-SENSYS LBP630C Series/i-SENSYS MF650C Series/i-SENSYS LBP230 Series/1238P II/1238Pr II/i-SENSYS MF450 Series/i-SENSYS MF550 Series/1238i II/1238iF II/imageRUNNER 1643i II/imageRUNNER 1643iF II<=06.02
All of the following
Canon Mf455dw Firmware<=06.02
Canon Mf455dw
All of the following
Canon Mf453dw Firmware<=06.02
Canon Mf453dw
All of the following
Canon Mf452dw Firmware<=06.02
Canon Mf452dw
All of the following
Canon Mf451dw Firmware<=06.02
Canon Mf451dw
All of the following
Canon Mf654cdw Firmware<=06.02
Canon Mf654cdw
All of the following
Canon Mf656cdw Firmware<=06.02
Canon Mf656cdw
All of the following
Canon Mf653cdw Firmware<=06.02
Canon Mf653cdw
All of the following
Canon Mf652cw Firmware<=06.02
Canon Mf652cdw
All of the following
Canon Mf1238 Ii Firmware<=06.02
Canon Mf1238 Ii
All of the following
Canon Mf1643if Ii Firmware<=06.02
Canon Mf1643if Ii
All of the following
Canon Mf1643i Ii Firmware<=06.02
Canon Mf1643i Ii
All of the following
Canon Lbp237dw Firmware<=06.02
Canon Lbp237dw
All of the following
Canon Lbp236dw Firmware<=06.02
Canon Lbp236dw
All of the following
Canon Lbp633cdw Firmware<=06.02
Canon Lbp633cdw
All of the following
Canon Lbp632cdw Firmware<=06.02
Canon Lbp632cdw
All of the following
Canon Lbp1238 Ii Firmware<=06.02
Canon Lbp1238 Ii

Event History

Jan 15, 2026
CVE Published
via MITRE·11:38 PM
Data Sourced
via MITRE·11:38 PM
DescriptionSeverityWeakness
Jan 16, 2026
Data Sourced
via NVD·12:16 AM
DescriptionSeverityWeaknessAffected Software

Frequently Asked Questions

1

What is the severity of CVE-2025-14234?

CVE-2025-14234 is classified as a high-severity vulnerability due to its potential to cause unresponsiveness or execute arbitrary code on affected printers.

2

How can I fix CVE-2025-14234?

To mitigate CVE-2025-14234, users should apply the latest firmware updates provided by Canon for affected printer models.

3

Which products are affected by CVE-2025-14234?

CVE-2025-14234 affects various models in the Canon Satera LBP670C Series, Satera MF750C Series, and other compatible Canon multifunction printers.

4

Can CVE-2025-14234 be exploited remotely?

Yes, CVE-2025-14234 can be exploited by an attacker on the same network segment as the affected printers.

5

What are the potential impacts of CVE-2025-14234?

The potential impacts of CVE-2025-14234 include causing the printer to become unresponsive or allowing arbitrary code execution.

Contact

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