CVE-2017-2277 in WG-C10
Summary
by MITRE
WG-C10 v3.0.79 and earlier allows an attacker to bypass access restrictions to obtain or alter information stored in the external storage connected to the product via unspecified vectors.
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Analysis
by VulDB Data Team • 10/31/2019
The vulnerability identified as CVE-2017-2277 affects WG-C10 devices running firmware version 3.0.79 and earlier, presenting a critical security flaw that enables unauthorized access to external storage systems connected to these network appliances. This issue represents a significant weakness in the device's access control mechanisms, potentially allowing attackers to bypass authentication and authorization protocols that should protect sensitive data stored on external storage devices. The unspecified vectors used for exploitation suggest that the vulnerability may be present across multiple attack surfaces or that the specific technical details were not fully disclosed in the initial vulnerability report, making the threat assessment more challenging for security professionals.
The technical flaw manifests as a failure in the device's access restriction implementation, where the system does not properly validate or authenticate requests attempting to access external storage resources. This weakness likely stems from inadequate input validation, insufficient session management, or flawed privilege escalation mechanisms within the device's firmware architecture. According to CWE classification, this vulnerability aligns with CWE-284 Access Control Issues, specifically representing improper access control that allows unauthorized users to gain access to protected resources. The device's failure to enforce proper access controls for external storage connections creates a direct pathway for attackers to either read sensitive information or modify data stored on connected storage devices, potentially leading to data breaches or system compromise.
The operational impact of this vulnerability extends beyond simple unauthorized access, as it fundamentally undermines the security posture of any network infrastructure relying on these devices for storage connectivity. Organizations using affected WG-C10 devices may experience data exfiltration, data corruption, or unauthorized modification of critical information stored on external storage systems. The attack surface is particularly concerning because external storage devices often contain sensitive corporate data, backup files, or operational information that could be leveraged for further attacks. From an ATT&CK framework perspective, this vulnerability maps to techniques such as T1078 Valid Accounts and T1566 Phishing, as attackers could potentially use compromised access to external storage as a stepping stone for lateral movement or credential theft within the network environment.
Mitigation strategies for CVE-2017-2277 should prioritize immediate firmware updates to versions that address the access control flaw, as this represents the most direct solution to the vulnerability. Organizations should also implement network segmentation to isolate external storage connections from critical network segments, reducing the potential impact of successful exploitation. Additional protective measures include implementing robust monitoring of external storage access patterns, conducting regular security audits of connected storage devices, and establishing strict access control policies that limit which devices or users can interact with external storage systems. Security teams should also consider deploying intrusion detection systems capable of identifying suspicious access attempts to external storage resources and implementing multi-factor authentication mechanisms where possible to add additional layers of protection against unauthorized access attempts.