CVE-2017-2281 in WN-AX1167GR
Summary
by MITRE
WN-AX1167GR firmware version 3.00 and earlier allows an attacker to execute arbitrary OS commands via unspecified vectors.
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Analysis
by VulDB Data Team • 11/03/2019
The vulnerability identified as CVE-2017-2281 affects the WN-AX1167GR device firmware version 3.00 and earlier, representing a critical command injection flaw that enables remote code execution. This vulnerability falls under the CWE-77 attack pattern category, specifically targeting improper neutralization of special elements used in OS commands, which allows attackers to inject malicious commands into the underlying operating system. The device in question is a wireless networking appliance that likely operates on a Linux-based embedded system, making it susceptible to OS command injection attacks that can bypass normal security controls.
The technical implementation of this vulnerability stems from insufficient input validation and sanitization within the firmware's web interface or network management components. Attackers can exploit unspecified vectors to manipulate system commands through crafted input parameters, potentially leveraging this flaw to execute arbitrary OS commands with the privileges of the affected service or user account. The vulnerability exists in the firmware processing logic where user-supplied data is not properly sanitized before being passed to system execution functions, creating a direct pathway for command injection attacks. This type of vulnerability typically manifests when the application directly incorporates user input into system calls without adequate filtering or escaping mechanisms.
The operational impact of this vulnerability is severe and multifaceted, as it provides attackers with full control over the affected device's operating system. An attacker could potentially gain root access to the embedded system, allowing them to modify network configurations, install malicious software, steal sensitive data, or use the device as a pivot point for attacking other systems within the network. The remote nature of the exploit means that attackers can target the device from outside the local network without requiring physical access or prior authentication. This vulnerability particularly affects enterprise and home networking environments where such devices are commonly deployed, potentially leading to widespread network compromise and persistent backdoor access.
Mitigation strategies for this vulnerability should focus on immediate firmware updates to version 3.01 or later, which would contain patches addressing the command injection flaw. Network administrators should implement strict access controls and segmentation to limit exposure of such devices to untrusted networks. Additional defensive measures include disabling unnecessary services, implementing network monitoring for suspicious command execution patterns, and conducting regular security assessments of network infrastructure. The vulnerability aligns with ATT&CK technique T1059.001 for command and scripting interpreter, where adversaries execute commands through legitimate system interfaces. Organizations should also consider deploying intrusion detection systems that can identify and alert on potential command injection attempts, while ensuring proper network access controls and firewall rules to prevent unauthorized remote access to management interfaces.