What’s Vulnerable › Vulnerabilities

CVE-2022-24673

• Severity: critical (CVSS 9.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 2.6% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2023-03-28 · updated 2026-06-17
• Weakness: CWE-121

Description

This vulnerability allows remote attackers to execute arbitrary code on affected installations of Canon imageCLASS MF644Cdw 10.02 printers. Authentication is not required to exploit this vulnerability. The specific flaw exists within the implementation of the SLP protocol. The issue results from the lack of proper validation of the length of user-supplied data prior to copying it to a fixed-length stack-based buffer. An attacker can leverage this vulnerability to execute code in the context of root. Was ZDI-CAN-15845.

Affected products

• Canon 1435I+ Firmware: all versions
• Canon 1435If+ Firmware: all versions
• Canon 1435If Firmware: all versions
• Canon 1435P+ Firmware: all versions
• Canon 1435P Firmware: all versions
• Canon D1520 Firmware: all versions
• Canon D1550 Firmware: all versions
• Canon D1620 Firmware: all versions
• Canon D1650 Firmware: all versions
• Canon Ir1435I Firmware: all versions
• Canon Ir1643I Firmware: all versions
• Canon Ir1643If Firmware: all versions
• Canon Lbp1127C Firmware: all versions
• Canon Lbp1238 Firmware: all versions
• Canon Lbp1238 Ii Firmware: all versions
• Canon Lbp214Dw Firmware: all versions
• Canon Lbp215Dw Firmware: all versions
• Canon Lbp226Dw Firmware: all versions
• Canon Lbp227Dw Firmware: all versions
• Canon Lbp228Dw Firmware: all versions
• Canon Lbp236Dw Firmware: all versions
• Canon Lbp237Dw Firmware: all versions
• Canon Lbp251Dw Firmware: all versions
• Canon Lbp253Dw Firmware: all versions
• Canon Lbp612Cdw Firmware: all versions
• Canon Lbp622Cdw Firmware: all versions
• Canon Lbp623Cdw Firmware: all versions
• Canon Lbp654Cdw Firmware: all versions
• Canon Lbp664Cdw Firmware: all versions
• Canon Mf1127C Firmware: all versions

References

• https://www.usa.canon.com/support/canon-product-advisories/canon-laser-printer-inkjet-printer-and-small-office-multifunctional-printer-measure-against-buffer-overflow
• https://www.zerodayinitiative.com/advisories/ZDI-22-515/
• https://www.usa.canon.com/support/canon-product-advisories/canon-laser-printer-inkjet-printer-and-small-office-multifunctional-printer-measure-against-buffer-overflow
• https://www.zerodayinitiative.com/advisories/ZDI-22-515/

Get alerted when CVE-2022-24673 or the next vulnerability affects your stack