Canon Satera LBP670C up to 06.02 out-of-bounds write

Summaryinfo

A vulnerability, which was classified as critical, has been 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 up to 06.02. Impacted is an unknown function. The manipulation leads to out-of-bounds write. This vulnerability is traded as CVE-2025-14231. It is possible to initiate the attack remotely. There is no exploit available.

Detailsinfo

A vulnerability, which was classified as very critical, has been 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 up to 06.02. This issue affects an unknown functionality. The manipulation with an unknown input leads to a out-of-bounds write vulnerability. Using CWE to declare the problem leads to CWE-787. The product writes data past the end, or before the beginning, of the intended buffer. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

Buffer overflow in print job processing by WSD 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 at psirt.canon. The identification of this vulnerability is CVE-2025-14231 since 12/08/2025. The exploitation is known to be easy. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. Neither technical details nor an exploit are publicly available. The price for an exploit might be around USD $0-$5k at the moment (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.

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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

Version

• 06.02

CPE 2.3info

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CPE 2.2info

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Entryinfo

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Discussion