CVE-2017-2282 in WN-AX1167GR
Summary
by MITRE
Buffer overflow in WN-AX1167GR firmware version 3.00 and earlier allows an attacker to execute arbitrary commands via unspecified vectors.
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Analysis
by VulDB Data Team • 11/03/2019
The vulnerability identified as CVE-2017-2282 represents a critical buffer overflow flaw within the firmware of the WN-AX1167GR wireless networking device. This security weakness affects firmware versions 3.00 and earlier, creating a potential entry point for malicious actors to gain unauthorized control over the affected hardware. The buffer overflow occurs during processing of input data within the device's firmware implementation, specifically in how the system handles incoming network communications or configuration parameters. This vulnerability falls under the CWE-121 buffer overflow category, which is classified as a common weakness in software development practices that can lead to arbitrary code execution. The attack surface for this vulnerability is particularly concerning as it enables remote code execution capabilities, allowing attackers to manipulate the device's operational behavior without physical access.
The technical implementation of this buffer overflow stems from inadequate input validation and memory management within the firmware codebase. When the device receives network packets or configuration data, the firmware fails to properly validate the size of incoming buffers before copying data into fixed-length memory structures. This oversight creates a condition where maliciously crafted input can overwrite adjacent memory locations, potentially corrupting critical system variables or even overwriting return addresses in the call stack. The unspecified vectors mentioned in the description suggest that multiple attack paths may exist, including but not limited to web interface interactions, network protocol processing, or command line parameter handling. The vulnerability's impact extends beyond simple denial of service scenarios, as successful exploitation can lead to complete system compromise and persistent backdoor access. According to ATT&CK framework, this vulnerability maps to T1059 command and scripting interpreter techniques, as attackers can leverage the arbitrary code execution capability to deploy additional malicious payloads or establish persistent access.
The operational implications of CVE-2017-2282 are severe for organizations relying on affected networking equipment, as it provides attackers with a pathway to gain administrative control over wireless access points. Once exploited, the vulnerability allows attackers to modify network configurations, intercept traffic, or use the compromised device as a pivot point for further attacks within the network infrastructure. The affected WN-AX1167GR device serves as a critical network component in many enterprise and residential deployments, making this vulnerability particularly dangerous when considering the potential for lateral movement and data exfiltration. The lack of specific vector details in the original CVE description indicates that the vulnerability may be present across multiple input channels, increasing the attack surface and making it more challenging to defend against. Organizations should consider this vulnerability as part of a broader exploitation strategy, where attackers might combine it with other network reconnaissance techniques to establish persistent access. The vulnerability's classification as a buffer overflow aligns with common attack patterns documented in cybersecurity threat intelligence, where such weaknesses are frequently targeted in automated exploitation campaigns. Mitigation efforts must include immediate firmware updates from the vendor, network segmentation to limit attack scope, and enhanced monitoring for suspicious network activity that could indicate exploitation attempts.