CVE-2022-43608

Name: CVE-2022-43608
Creator: NVD / NIST
Published: 2023-03-29T19:15:18.29+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 8.8/10EPSS 0.83%

Last modified Jun 17, 2026

CVE-2022-43608 is a high-severity vulnerability rated 8.8/10 on the CVSS scale. 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. EPSS estimates a 0.83% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1

8.8/10

CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS Probability

0.83%

52.9th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-190

Affected Software

Vendor	Product	Versions
Canon	Mf644cdw Firmware	10.03

References

https://www.psirt.canon/advisory-information/cve-2022-43608_20221125Vendor Advisory
https://www.zerodayinitiative.com/advisories/ZDI-22-1666/Third Party Advisory, VDB Entry
https://www.psirt.canon/advisory-information/cve-2022-43608_20221125Vendor Advisory
https://www.zerodayinitiative.com/advisories/ZDI-22-1666/Third Party Advisory, VDB Entry

Timeline

Published: Mar 29, 2023
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2022-43608?

How severe is CVE-2022-43608?

CVE-2022-43608 has a CVSS score of 8.8/10 (HIGH severity). The EPSS model estimates a 0.83% probability of exploitation in the next 30 days.

How do I fix CVE-2022-43608?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2022-43608?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST