CVE-2025-14234
CRITICALCVSS Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Lifecycle Timeline
2Tags
Description
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.
Analysis
Canon printers have a buffer overflow in CPCA list processing that allows remote attackers to execute arbitrary code through the printer's network protocol handler.
Technical Context
The CPCA list processing function in Canon printers contains a CWE-787 out-of-bounds write vulnerability when handling lists with excessive elements or oversized entries.
Affected Products
['Canon Small Office Multifunction Printers', 'Canon Laser Printers']
Remediation
Apply Canon firmware updates for all CVEs in this advisory batch. Implement network segmentation for printers.
Priority Score
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External POC / Exploit Code
Leaving vuln.today