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Certain HP Print Products, Digital Sending Products - Potential remote code execution and buffer overflow

Certain HP Print products and Digital Sending products may be vulnerable to potential remote code execution and buffer overflow with use of Link-Local Multicast Name Resolution or LLMNR.



HP Reference

HPSBPI03780 rev. 9

Release date

March 21, 2022

Last updated

November 22, 2022



Potential Security Impact

Remote code execution, Buffer overflow

Relevant Common Vulnerabilities and Exposures (CVE) List

Reported by: Angelboy (@scwuaptx) from DEVCORE Research Team working with Trend Micro Zero Day Initiative

List of CVE IDs









Learn more about CVSS 3.0 base metrics, which range from 0 to 10.



Update your printer firmware.

HP has provided firmware updates for potentially affected products listed in the table below. To obtain the updated firmware listed below, go to the HP Software and Driver Downloads, and then search for your printer model.


Some FutureSmart printers may have multiple available firmware platforms - FutureSmart 3 (FS3), FutureSmart 4 (FS4), or FutureSmart 5 (FS5). Select the appropriate firmware version for the applicable FutureSmart platform. For products marked with an asterisk (*), Contact HP Customer Support to obtain this version of firmware.

In certain HP Enterprise and HP LaserJet Pro printers, the issue may also be mitigated by disabling LLMNR in network settings. Refer to the following links, and for more information, refer to the product user guide for full instructions.

HP LaserJet Enterprise, HP PageWide Enterprise - Disable unused network protocols and features (EWS)

HP LaserJet Pro – Disable unused network protocols and features (EWS)

Affected products

Find the products affected and the firmware version that resolves the vulnerabilities.

Revision history

This document has been revised according to the information below.

List of versions





Corrected CVE ID

November 22, 2022


Updated product tables

November 10, 2022


Updated product tables

September 13, 2022


Updated product tables

September 6, 2022


Updated product tables

June 9, 2022


Updated Enterprise, Pro, and Large Format product tables

April 19, 2022


Update Acknowledgment (Reported By) section

March 25, 2022


Updated Enterprise product table

March 22, 2022


Initial Release

March 21, 2022

Additional information

Follow these links for additional information.

Third-party security patches

Third party security patches that are to be installed on systems running HP software products should be applied in accordance with the customer's patch management policy.


For issues about implementing the recommendations of this Security Bulletin, visit to learn about your HP support options.


To report a potential security vulnerability with any HP supported product, send email to:


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Legal information

System management and security procedures must be reviewed frequently to maintain system integrity. HP is continually reviewing and enhancing the security features of software products to provide customers with current secure solutions.

HP is broadly distributing this Security Bulletin in order to bring to the attention of users of the affected HP products the important security information contained in this Security Bulletin. HP recommends that all users determine the applicability of this information to their individual situations and take appropriate action. HP does not warrant that this information is necessarily accurate or complete for all user situations and, consequently, HP will not be responsible for any damages resulting from user's use or disregard of the information provided in this Security Bulletin. To the extent permitted by law, HP disclaims all warranties, either express or implied, including the warranties of merchantability and fitness for a particular purpose, title and non-infringement.

© Copyright 2022 HP Development Company, L.P.

HP Inc. (HP) shall not be liable for technical or editorial errors or omissions contained herein. The information provided is provided "as is" without warranty of any kind. To the extent permitted by law, neither HP nor its affiliates, subcontractors or suppliers will be liable for incidental, special or consequential damages including downtime cost; lost profits; damages relating to the procurement of substitute products or services; or damages for loss of data, or software restoration. The information in this document is subject to change without notice. "HP Inc.," "HP" and the names of HP products referenced herein are trademarks of HP Inc. or its affiliates in the United States and other countries. Other product and company names mentioned herein may be trademarks of their respective owners.