CWE
20
Advisory Published
Updated

CVE-2022-3429: Input Validation

First published: Fri Oct 27 2023(Updated: )

A denial-of-service vulnerability was found in the firmware used in Lenovo printers, where users send illegal or malformed strings to an open port, triggering a denial of service that causes a display error and prevents the printer from functioning properly.

Credit: psirt@lenovo.com

Affected SoftwareAffected VersionHow to fix
Lenovo Gm265dn Firmware
Lenovo Gm265dn
Lenovo Gm266dns Firmware<02.06.00.04.00
Lenovo Gm266dns
Lenovo G263dns Firmware<02.06.00.04.00
Lenovo G263dns

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Frequently Asked Questions

  • What is the vulnerability ID of this Lenovo printer firmware vulnerability?

    The vulnerability ID is CVE-2022-3429.

  • What is the severity level of CVE-2022-3429?

    The severity level of CVE-2022-3429 is medium (CVSS score of 6.5).

  • How does the denial-of-service vulnerability in Lenovo printers occur?

    The vulnerability occurs when users send illegal or malformed strings to an open port, triggering a denial of service.

  • What is the impact of the denial-of-service vulnerability in Lenovo printers?

    The denial-of-service vulnerability causes a display error and prevents the printer from functioning properly.

  • How can I fix CVE-2022-3429 in Lenovo printers?

    To fix the vulnerability, update the firmware of affected Lenovo printers to the latest version provided by Lenovo.

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