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Vulnerability record · CVE-2025-14232 · published 16 January 2026

CVE-2025-14232: Canon mf455dw firmware out-of-bounds write vulnerability

Canon · Mf455dw Firmware

Buffer overflow in XML processing of XPS file in 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.

9.3 CVSS 4.0 Critical EPSS 0.92% · top 41.4% CWE-787 · Out-of-bounds write
9.3CVSS 4.0 base score
0.92%EPSS exploitation probability, 30 days
NoNot in CISA KEV
16Affected product versions listed by NVD
4References
17 Jun 2026Last modified by NVD

Description

Buffer overflow in XML processing of XPS file in 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.

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:

Affected products

16 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://canon.jp/support/support-info/260115vulnerability-response Vendor Advisory
https://psirt.canon/advisory-information/cp2026-001/ Vendor Advisory
https://www.canon-europe.com/support/product-security/ Vendor Advisory
https://www.usa.canon.com/support/canon-product-advisories/Service-Notice-Regarding-Remediation-Measure-Against-Potentia Vendor Advisory

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

9.8CVE-2024-12647Canon mf455dw firmware out-of-bounds write vulnerabilityBuffer overflow in CPCA font download processing of Small Office Multifunction Printers and Laser Printers(*) which may allow an attacker on the netw…EPSS 1.2%9.8CVE-2024-12648Canon mf455dw firmware out-of-bounds write vulnerabilityBuffer overflow in TIFF data EXIF tag processing of Small Office Multifunction Printers and Laser Printers(*) which may allow an attacker on the netw…EPSS 1.2%9.8CVE-2024-12649Canon mf455dw firmware out-of-bounds write vulnerabilityBuffer overflow in XPS data font processing of Small Office Multifunction Printers and Laser Printers(*) which may allow an attacker on the network s…EPSS 1.2%9.8CVE-2023-6234Canon mf755cdw firmware out-of-bounds write vulnerabilityBuffer overflow in CPCA Color LUT Resource Download process of Office Multifunction Printers and Laser Printers(*) which may allow an attacker on the…EPSS 1.4%9.8CVE-2023-6229Canon mf755cdw firmware out-of-bounds write vulnerabilityBuffer overflow in CPCA PDL Resource Download process of Office Multifunction Printers and Laser Printers(*) which may allow an attacker on the netwo…EPSS 1.4%9.8CVE-2023-6230Canon mf755cdw firmware out-of-bounds write vulnerabilityBuffer overflow in the Address Book password process in authentication of Mobile Device Function of Office Multifunction Printers and Laser Printers(…EPSS 1.5%9.8CVE-2023-6231Canon mf755cdw firmware out-of-bounds write vulnerabilityBuffer overflow in WSD probe request process of Office Multifunction Printers and Laser Printers(*) which may allow an attacker on the network segmen…EPSS 1.4%9.8CVE-2023-6232Canon mf755cdw firmware out-of-bounds write vulnerabilityBuffer overflow in the Address Book username process in authentication of Mobile Device Function of Office Multifunction Printers and Laser Printers(…EPSS 1.5%

Source: NIST National Vulnerability Database (record CVE-2025-14232), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.