CVE-2022-27647 : Vulnerability Insights and Analysis
Learn about CVE-2022-27647, a critical vulnerability in NETGEAR R6700v3 routers allowing arbitrary code execution. Understand the impact, affected systems, and mitigation steps.
This article provides detailed information about CVE-2022-27647, a vulnerability found in NETGEAR R6700v3 1.0.4.120_10.0.91 routers that allows attackers to execute arbitrary code with root privileges.
Understanding CVE-2022-27647
This section explores the impact and technical details of CVE-2022-27647.
What is CVE-2022-27647?
CVE-2022-27647 is a vulnerability that enables network-adjacent attackers to run malicious code on affected NETGEAR R6700v3 routers. By bypassing the authentication mechanism, an attacker can exploit a flaw in libreadycloud.so's handling of user-supplied input to execute system calls, leading to code execution as root.
The Impact of CVE-2022-27647
The vulnerability poses a high risk as it allows unauthorized code execution with elevated privileges, potentially leading to complete system compromise.
Technical Details of CVE-2022-27647
This section delves into the vulnerability description, affected systems, and the exploitation mechanism.
Vulnerability Description
CVE-2022-27647 stems from insufficient validation of user input in libreadycloud.so, enabling attackers to trigger system calls with malicious payloads.
Affected Systems and Versions
The vulnerability affects NETGEAR R6700v3 routers running version 1.0.4.120_10.0.91.
Exploitation Mechanism
By exploiting the flaw in the handling of name or email fields, attackers can inject and execute arbitrary code on vulnerable devices.
Mitigation and Prevention
This section outlines the steps to mitigate the risk and prevent exploitation of CVE-2022-27647.
Immediate Steps to Take
Users should apply security patches released by NETGEAR to address the vulnerability. Additionally, restricting network access and implementing strong authentication measures can help reduce the attack surface.
Long-Term Security Practices
Regularly updating firmware, employing network segmentation, and monitoring for suspicious activities are essential for maintaining robust network security.
Patching and Updates
Stay informed about security advisories from NETGEAR and promptly apply patches to protect against known vulnerabilities.