Certain Lexmark devices through 2023-02-19 mishandle Input Validation (issue 1 of 4).
https://github.com/RosePwns/Lexmark-RCE
https://github.com/horizon3ai/CVE-2023-26067
https://support.lexmark.com/alerts/
https://publications.lexmark.com/publications/security-alerts/CVE-2023-26067.pdf