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

February 28, 2022
Last updated: April 7, 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.

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
  1. At the home screen, select “Setting” and “Network Settings.” If there is a password set up, please enter the administrator password.
  2. Select “Wi-fi Configuration” and then “Setup Wizard”
  3. Select an access point from the list of SSID/access points
  4. Enter password to connect
  1. At the home screen, select “Setting” and “Network Settings.” If there is a password set up, please enter the administrator password.
  2. Select “enter SSID”
  3. Enter SSID and password to connect to network
with
4-line
LCD panel
  1. 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.
  2. Select an access point from the list of SSID/access points
  3. Enter password to connect
  1. 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.
  2. Select “Input SSID” and enter SSID and password to connect to network
with
2-line
LCD panel
  1. Press Menu key to transition to Menu and select “Host Interface”, “Network Setup”, “Wi-fi Config”, and “Setup Wizard”.
  2. Select an access point from the list of SSID/access points
  3. Enter password to connect
  1. Press Menu key to transition to Menu and select “Host Interface”, “Network Setup”, “Wi-fi Config”, and “Setup Wizard”.
  2. Select “Input SSID” and enter SSID and password to connect to network
without
LCD
panel
  1. Connect your PC with device via USB
  2. Launch Smart Organizing Monitor
  3. Click [User Tool] tab
  4. Click [Printer Configuration] button and input Access Code if necessary.
  5. Click [Wireless] tab
  6. Check “Manual Setup” at “Configuration Method” menu.
  7. Enter SSID and Password to connect to network

RESOLUTION

Ricoh is releasing updated firmware on its driver site as they become available. Please download and apply the updated firmware as instructed.

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.


| About Ricoh |

Ricoh is empowering digital workplaces using innovative technologies and services that enable individuals to work smarter from anywhere.

With cultivated knowledge and organizational capabilities nurtured over its 85-years history, Ricoh is a leading provider of digital services and information management, and print and imaging solutions designed to support digital transformation and optimize business performance.

Headquartered in Tokyo, Ricoh Group has major operations throughout the world and its products and services now reach customers in approximately 200 countries and regions. In the financial year ended March 2021, Ricoh Group had worldwide sales of 1,682 billion yen (approx. 15.1 billion USD).

For further information, please visit www.ricoh.com

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