Canon Satera LBP670C out-of-bounds write

Summaryinfo

A vulnerability classified as critical was found in Canon Satera LBP670C, Satera MF750C, Color imageCLASS LBP630C, Color imageCLASS MF650C, imageCLASS LBP230, imageCLASS X LBP1238 II, imageCLASS MF450, imageCLASS X MF1238 II, imageCLASS X MF1643i II, imageCLASS X MF1643iF II, i-SENSYS LBP630C, i-SENSYS MF650C, i-SENSYS LBP230, 1238P II, 1238Pr II, i-SENSYS MF450, i-SENSYS MF550, 1238i II, 1238iF II, imageRUNNER 1643i II and imageRUNNER 1643iF II. This issue affects some unknown processing. Executing a manipulation can lead to out-of-bounds write. This vulnerability appears as CVE-2025-14237. The attack may be performed from remote. There is no available exploit.

Detailsinfo

A vulnerability classified as very critical was found in Canon Satera LBP670C, Satera MF750C, Color imageCLASS LBP630C, Color imageCLASS MF650C, imageCLASS LBP230, imageCLASS X LBP1238 II, imageCLASS MF450, imageCLASS X MF1238 II, imageCLASS X MF1643i II, imageCLASS X MF1643iF II, i-SENSYS LBP630C, i-SENSYS MF650C, i-SENSYS LBP230, 1238P II, 1238Pr II, i-SENSYS MF450, i-SENSYS MF550, 1238i II, 1238iF II, imageRUNNER 1643i II and imageRUNNER 1643iF II. This vulnerability affects an unknown function. The manipulation with an unknown input leads to a out-of-bounds write vulnerability. The CWE definition for the vulnerability is CWE-787. The product writes data past the end, or before the beginning, of the intended buffer. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

Buffer overflow in XPS font parse 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.

The advisory is shared for download at psirt.canon. This vulnerability was named CVE-2025-14237 since 12/08/2025. The exploitation appears to be easy. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. There are neither technical details nor an exploit publicly available. The current price for an exploit might be approx. USD $0-$5k (estimation calculated on 01/16/2026).

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

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Productinfo

Vendor

• Canon

Name

• 1238iF II
• 1238i II
• 1238P II
• 1238Pr II
• Color imageCLASS LBP630C
• Color imageCLASS MF650C
• i-SENSYS LBP230
• i-SENSYS LBP630C
• i-SENSYS MF450
• i-SENSYS MF550
• i-SENSYS MF650C
• imageCLASS LBP230
• imageCLASS MF450
• imageCLASS X LBP1238 II
• imageCLASS X MF1238 II
• imageCLASS X MF1643iF II
• imageCLASS X MF1643i II
• imageRUNNER 1643iF II
• imageRUNNER 1643i II
• Satera LBP670C
• Satera MF750C

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Entryinfo

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