Notice on potential impact of vulnerability CVE-2021-33945 towards Ricoh products and service
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 with touch panel | Models with 4-line LCD panel | Models with 2-line LCD panel | Models without LCD panel | ||
| Network connection by selecting an access point from the network list |
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. 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 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. |
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| Network connection by direct input of SSID |
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. |
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. |
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. |
1. Connect your PC with device via USB. 2. Launch Smart Organising 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. |
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RESOLUTION
Ricoh will release updated firmware on its driver site as they become available. The updates will be published here.
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.
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