CVE-2017-2276 in WG-C10
Summary
by MITRE
Buffer overflow in WG-C10 v3.0.79 and earlier allows an attacker to execute arbitrary commands via unspecified vectors.
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Analysis
by VulDB Data Team • 10/31/2019
The vulnerability identified as CVE-2017-2276 represents a critical buffer overflow flaw affecting WG-C10 v3.0.79 and earlier versions. This security weakness resides within the network management software used for configuring and managing wireless gateways, specifically targeting the command processing functionality. The buffer overflow condition occurs when the system fails to properly validate input data length before copying it into fixed-size memory buffers, creating an exploitable condition that can be leveraged by malicious actors.
The technical implementation of this vulnerability stems from improper input validation mechanisms within the software's command execution pipeline. When legitimate users or attackers provide command parameters exceeding the allocated buffer space, the excess data overflows into adjacent memory locations, potentially corrupting critical program execution flow. This flaw falls under the CWE-121 buffer overflow category, which is classified as a fundamental memory safety issue that enables arbitrary code execution through stack or heap corruption. The unspecified vectors mentioned in the description suggest that multiple attack surfaces within the command processing framework could be exploited, including but not limited to configuration file parsing, network command handling, or user input interfaces.
The operational impact of CVE-2017-2276 extends beyond simple system compromise, as successful exploitation can lead to complete system takeover and persistent access within the network infrastructure. Attackers can leverage this vulnerability to execute arbitrary commands with the privileges of the affected service, potentially gaining unauthorized access to network resources, modifying configurations, or establishing backdoors for continued unauthorized access. The implications are particularly severe in enterprise environments where wireless gateways serve as critical network access points, as this vulnerability could enable attackers to bypass network security controls and gain access to sensitive internal systems. The attack surface is further expanded by the fact that the vulnerability affects the command processing functionality, meaning that even legitimate administrative commands could be used as attack vectors if properly crafted.
Mitigation strategies for CVE-2017-2276 should prioritize immediate software updates to versions that address the buffer overflow conditions through proper input validation and memory management practices. Organizations should implement network segmentation and access controls to limit exposure of affected systems, while also deploying intrusion detection systems to monitor for suspicious command execution patterns. The remediation process must include comprehensive testing of updated firmware to ensure that the vulnerability is fully addressed without introducing new compatibility issues. Additionally, security teams should conduct thorough vulnerability assessments of their wireless gateway infrastructure to identify other potential attack vectors and ensure that similar buffer overflow conditions do not exist in related systems. The ATT&CK framework categorizes this type of vulnerability under privilege escalation and execution techniques, making it particularly dangerous when combined with other exploitation methods. Regular security monitoring and patch management processes should be strengthened to prevent similar vulnerabilities from remaining unaddressed for extended periods, as the timeframe between vulnerability disclosure and exploitation demonstrates the critical need for rapid remediation in enterprise environments.