CVE-2017-10930 in 1800-2S
Summary
by MITRE
The ZXR10 1800-2S before v3.00.40 incorrectly restricts access to a resource from an unauthorized actor, resulting in ordinary users being able to download configuration files to steal information like administrator accounts and passwords.
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Analysis
by VulDB Data Team • 03/07/2025
The CVE-2017-10930 vulnerability affects the ZXR10 1800-2S network device series prior to firmware version v3.00.40, representing a critical access control flaw that undermines the security posture of network infrastructure. This vulnerability resides in the device's authorization mechanisms, where insufficient access restrictions allow unauthorized users to gain access to sensitive configuration files that should only be accessible to administrative personnel. The flaw specifically manifests in the device's inability to properly validate user privileges when attempting to download system configuration data, creating an avenue for privilege escalation and information disclosure.
The technical implementation of this vulnerability stems from inadequate input validation and access control enforcement within the device's web management interface. When users attempt to download configuration files through the administrative portal, the system fails to properly authenticate and authorize the requesting user based on their privilege level. This weakness enables ordinary users or attackers who have gained basic access to the device to exploit the configuration download functionality without proper authorization. The vulnerability directly maps to CWE-284, which describes improper access control, and represents a classic case of insufficient authorization checks in network device management interfaces.
The operational impact of this vulnerability extends far beyond simple information disclosure, creating significant risks for organizations relying on ZXR10 1800-2S devices for their network infrastructure. Attackers who exploit this vulnerability can extract complete device configuration files containing administrator credentials, network topology information, and sensitive operational parameters that could facilitate further attacks within the network. This exposure enables adversaries to gain unauthorized access to network management systems, potentially leading to complete network compromise and persistent access. The vulnerability also aligns with ATT&CK technique T1078 which covers valid accounts usage, as compromised administrator credentials could be leveraged for lateral movement and privilege escalation across the network.
Organizations should immediately implement mitigations including firmware updates to version v3.00.40 or later, which address the access control weakness through proper authentication and authorization checks. Network segmentation and access control measures should be strengthened to limit direct access to administrative interfaces, while monitoring systems should be deployed to detect unauthorized configuration file access attempts. Additional security controls such as disabling unnecessary administrative interfaces, implementing multi-factor authentication for administrative access, and conducting regular security assessments of network infrastructure components should be considered. The vulnerability demonstrates the critical importance of proper access control implementation in network devices and highlights the need for regular firmware updates to address known security weaknesses that could be exploited by threat actors.