CVE-2006-6946 in MultiWriter 1700C
Summary
by MITRE
The web server in the NEC MultiWriter 1700C allows remote attackers to modify the device configuration via unspecified vectors.
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Analysis
by VulDB Data Team • 10/06/2017
The NEC MultiWriter 1700C is a network-connected device that serves as a print server and document management system within enterprise environments. This device operates as a web-based interface that allows administrators to configure and manage print jobs, device settings, and network parameters through a standard web browser interface. The vulnerability exists within the web server component that handles configuration modifications, representing a critical security flaw that exposes the device to unauthorized administrative control. The device's web interface provides access to core system parameters that govern print queue management, network configuration, and device operation settings, making it a prime target for attackers seeking to compromise document processing workflows.
The technical flaw in CVE-2006-6946 manifests as insufficient input validation and authentication mechanisms within the web server implementation. Attackers can exploit unspecified vectors to manipulate device configuration parameters without proper authorization, potentially gaining full administrative control over the print server. This vulnerability stems from inadequate access controls that fail to properly verify user credentials or validate input parameters submitted through the web interface. The flaw allows remote attackers to bypass normal authentication procedures and directly modify system configuration files, network settings, or print queue parameters. The unspecified nature of the attack vectors suggests that multiple pathways exist for exploitation, including potential issues with session management, parameter validation, or direct manipulation of web-based configuration interfaces.
The operational impact of this vulnerability extends beyond simple unauthorized access to encompass complete device compromise and potential network infiltration. An attacker who successfully exploits this vulnerability can modify critical device settings such as network addresses, print queue configurations, or authentication parameters, potentially disrupting document processing workflows or creating backdoor access points. The device's role in enterprise document management makes it particularly valuable as a target, as compromising it could enable attackers to intercept print jobs, modify document routing, or redirect sensitive information to unauthorized recipients. Additionally, the compromised device could serve as a pivot point for further attacks within the network, especially if it lacks proper network segmentation or isolation controls.
Mitigation strategies for this vulnerability should focus on immediate access control improvements and network security measures. Organizations should implement network segmentation to isolate critical devices like the NEC MultiWriter 1700C from general network traffic, ensuring that only authorized administrative workstations can access the device's web interface. Network access controls should be configured to restrict web server access to specific IP addresses or ranges, while implementing strong authentication mechanisms including multi-factor authentication for administrative access. Regular firmware updates and security patches should be applied to address known vulnerabilities, with particular attention to web server implementations and authentication mechanisms. The vulnerability aligns with CWE-284, which addresses improper access control, and may relate to ATT&CK techniques involving privilege escalation and persistence through device compromise. Network monitoring should be enhanced to detect unauthorized configuration changes, and security audits should verify that administrative access controls are properly configured and functioning as intended.