What’s Vulnerable › Vulnerabilities

CVE-2023-6232

• Severity: critical (CVSS 9.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.5% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2024-02-06 · updated 2026-06-17
• Weakness: CWE-787

Description

Buffer overflow in the Address Book username process in authentication of Mobile Device Function of 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 v03.07 and earlier sold in Japan. Color imageCLASS LBP674C/Color imageCLASS X LBP1333C/Color imageCLASS MF750C Series/Color imageCLASS X MF1333C Series firmware v03.07 and earlier sold in US. i-SENSYS LBP673Cdw/C1333P/i-SENSYS MF750C Series/C1333i Series firmware v03.07 and earlier sold in Europe.

Affected products

• Canon I-Sensys Lbp673Cdw Firmware: through 03.07
• Canon I-Sensys Mf752Cdw Firmware: through 03.07
• Canon I-Sensys Mf754Cdw Firmware: through 03.07
• Canon I-Sensys X C1333I Firmware: through 03.07
• Canon I-Sensys X C1333If Firmware: through 03.07
• Canon I-Sensys X C1333P Firmware: through 03.07
• Canon Lbp122Dw Firmware: through 03.07
• Canon Lbp1238 Ii Firmware: through 03.07
• Canon Lbp1333C Firmware: through 03.07
• Canon Lbp236Dw Firmware: through 03.07
• Canon Lbp237Dw Firmware: through 03.07
• Canon Lbp671C Firmware: through 03.07
• Canon Lbp672C Firmware: through 03.07
• Canon Lbp674C Firmware: through 03.07
• Canon Lbp674Cdw Firmware: through 03.07
• Canon Mf1238 Ii Firmware: through 03.07
• Canon Mf1333C Firmware: through 03.07
• Canon Mf1643I Ii Firmware: through 03.07
• Canon Mf1643If Ii Firmware: through 03.07
• Canon Mf272Dw Firmware: through 03.07
• Canon Mf273Dw Firmware: through 03.07
• Canon Mf275Dw Firmware: through 03.07
• Canon Mf451Dw Firmware: through 03.07
• Canon Mf452Dw Firmware: through 03.07
• Canon Mf453Dw Firmware: through 03.07
• Canon Mf455Dw Firmware: through 03.07
• Canon Mf751Cdw Firmware: through 03.07
• Canon Mf753Cdw Firmware: through 03.07
• Canon Mf755Cdw Firmware: through 03.07

References

• https://canon.jp/support/support-info/240205vulnerability-response
• https://psirt.canon/advisory-information/cp2024-001/
• https://www.canon-europe.com/support/product-security-latest-news/
• https://www.usa.canon.com/support/canon-product-advisories/Service-Notice-Regarding-Vulnerability-Measure-Against-Buffer-Overflow-for-Laser-Printers-and-Small-Office-Multifunctional-Printers
• https://canon.jp/support/support-info/240205vulnerability-response
• https://psirt.canon/advisory-information/cp2024-001/
• https://www.canon-europe.com/support/product-security-latest-news/
• https://www.usa.canon.com/support/canon-product-advisories/Service-Notice-Regarding-Vulnerability-Measure-Against-Buffer-Overflow-for-Laser-Printers-and-Small-Office-Multifunctional-Printers

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