Vulnerabilities targeting specific Ricoh MFP and Printer Products (CVE-2023-50733), (CVE-2023-50738) and (CVE-2023-50739)
Ricoh has identified a server-side request forgery vulnerability (CVE-2023-50733), a firmware downgrade prevention vulnerability (CVE-2023-50738) and a buffer overflow vulnerability (CVE-2023-50739) towards Ricoh printers.
List 1 below shows the affected printers. Ricoh offers countermeasures detailed in the hyperlinked pages in the list.
CVE-2023-50733：Server-Side Request Forgery (SSRF) vulnerability in the Web Services feature that can be leveraged by an attacker to execute arbitrary code.
CVE-2023-50738：Firmware downgrade prevention vulnerability that can be leveraged by an attacker to execute arbitrary code.
CVE-2023-50739：Buffer overflow vulnerability in the Internet Printing Protocol (IPP) that can be leveraged by an attacker to execute arbitrary code.
List 1: Ricoh products and services affected by this vulnerability| Product/service | Link to details |
| P C200W | Affected. For details, please refer to the following URL. https://www.ricoh.com/products/security/vulnerabilities/adv?id=ricoh-prod000065-2024-000003 |
| M C240FW | Affected. For details, please refer to the following URL. https://www.ricoh.com/products/security/vulnerabilities/adv?id=ricoh-prod000067-2024-000003 |
Please contact your local Ricoh representative or dealer if you have any queries.
| About Ricoh |
Ricoh is a global integrator in workplace transformation, operating in approximately 200 countries and regions and headquartered in Tokyo. Supporting customers’ value creation, Ricoh offers workplace services and solutions that empower organisations to work smarter through advanced technologies, including AI— together with long-standing expertise rooted in printing. Ricoh also operates commercial and industrial printing businesses and delivers new solutions leveraging inkjet technology. In the financial year ended March 2026, Ricoh Group had worldwide sales of 2,608 billion yen (approx. 16.4 billion USD).
For 90 years since our founding, Ricoh has upheld its mission and vision of empowering individuals to find Fulfillment through Work—and that commitment continues today. By understanding and transforming how people work, we unleash their potential and creativity to realise a sustainable future.
For further information, please visit www.ricoh.com