Update: Notice on potential impact of vulnerability CVE-2021-33945 towards Ricoh products and services

Last updated: July 11, 2022

First published: February 28, 2022

Ricoh Company, Limited.

Ricoh understands the importance of security and is committed to managing its products and services with the most advanced security technologies possible for customers around the world.

Ricoh is aware of the registration of CVE-2021-33945, a vulnerability that could potentially allow denial-of-service (DoS) attacks by causing certain MFPs/printers to consume large amounts of memory. This vulnerability is due to module behaviour, and Ricoh products that use this module are listed here as affected products.

RESOLUTION

Ricoh has released updated firmware on its driver site. Please download and apply the updated firmware as instructed.

WORKAROUND FOR CUSTOMERS USING IMPACTED PRODUCTS

When using products impacted by this security issue, Ricoh strongly advises that customers use SSID (Service Set Identifier) and password and avoid using a WPS (Wi-Fi® Protected Setup) connection when establishing a wireless connections. Please refer to the following steps.

Models	Network connection by selecting an access point from the network list	Network connection by direct input of SSID
with touch panel	At the home screen, select “Setting” and “Network Settings.” If there is a password set up, please enter the administrator password. Select “Wi-fi Configuration” and then “Setup Wizard” Select an access point from the list of SSID/access points Enter password to connect	At the home screen, select “Setting” and “Network Settings.” If there is a password set up, please enter the administrator password. Select “enter SSID” Enter SSID and password to connect to network
with 4-line LCD panel	Press Menu key to transition to Settings and select “Wi-Fi Setup Wizard” If there is a password set up, please enter the administrator password. Select an access point from the list of SSID/access points Enter password to connect	Press Menu key to transition to Settings and select “Wi-Fi Setup Wizzard” If there is a password set up, please enter the administrator password. Select “Input SSID” and enter SSID and password to connect to network
with 2-line LCD panel	Press Menu key to transition to Menu and select “Host Interface”, “Network Setup”, “Wi-fi Config”, and “Setup Wizard”. Select an access point from the list of SSID/access points Enter password to connect	Press Menu key to transition to Menu and select “Host Interface”, “Network Setup”, “Wi-fi Config”, and “Setup Wizard”. Select “Input SSID” and enter SSID and password to connect to network
without LCD panel	—	Connect your PC with device via USB Launch Smart Organizing Monitor Click [User Tool] tab Click [Printer Configuration] button and input Access Code if necessary. Click [Wireless] tab Check “Manual Setup” at “Configuration Method” menu. Enter SSID and Password to connect to network

Ricoh is committed to supporting customers across the globe, enabling them to operate Ricoh products equipped with the latest security settings. Please note that this page will be updated if there is a change in the status. For further details on best practices for securely setting up your printer or MFP, please visit here.