CVE-2022-43608

Severity: high (CVSS 8.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.8% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2023-03-29 · updated 2026-06-17
Weakness: CWE-190

Description

This vulnerability allows network-adjacent attackers to execute arbitrary code on affected installations of Canon imageCLASS MF644Cdw 10.03 printers. Authentication is not required to exploit this vulnerability. The specific flaw exists within the BJNP service. The issue results from the lack of proper validation of user-supplied data, which can result in an integer overflow before allocating a buffer. An attacker can leverage this vulnerability to execute code in the context of root. Was ZDI-CAN-16032.

Affected products

Canon imageCLASS MF644Cdw: 10.03

References

https://www.psirt.canon/advisory-information/cve-2022-43608_20221125
https://www.zerodayinitiative.com/advisories/ZDI-22-1666/
https://www.psirt.canon/advisory-information/cve-2022-43608_20221125
https://www.zerodayinitiative.com/advisories/ZDI-22-1666/

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