CVE-2022-27642 : Vulnerability Insights and Analysis
Learn about CVE-2022-27642, a medium-severity vulnerability in NETGEAR R6700v3 routers allowing bypass of authentication, potentially leading to root code execution.
This CVE-2022-27642 article provides insights into a vulnerability in NETGEAR R6700v3 routers that allows attackers to bypass authentication, potentially leading to code execution in the context of root.
Understanding CVE-2022-27642
This section delves into the impact, technical details, and mitigation strategies related to CVE-2022-27642.
What is CVE-2022-27642?
The vulnerability in NETGEAR R6700v3 routers enables network-adjacent attackers to bypass authentication, exploiting a flaw in the httpd service's string matching logic to access protected pages without authentication.
The Impact of CVE-2022-27642
With a CVSS base score of 6.3 (Medium severity), this vulnerability can be leveraged by attackers to execute code within the root context without requiring any privileges.
Technical Details of CVE-2022-27642
This section provides more in-depth information on the vulnerability, affected systems, versions, and the exploitation mechanism.
Vulnerability Description
The flaw in the httpd service's string matching logic allows unauthorized access to protected pages, facilitating code execution as root for the attackers.
Affected Systems and Versions
The vulnerability affects NETGEAR R6700v3 routers running version 1.0.4.120_10.0.91.
Exploitation Mechanism
Attackers can exploit this vulnerability by leveraging the incorrect string matching logic in the httpd service, enabling code execution without authentication.
Mitigation and Prevention
In this section, we discuss immediate steps to take and long-term security practices to mitigate the risks posed by CVE-2022-27642.
Immediate Steps to Take
Users of affected NETGEAR R6700v3 routers should apply security updates provided by the vendor to patch the vulnerability and prevent unauthorized code execution.
Long-Term Security Practices
Regularly updating firmware, restricting network access, and implementing strong password policies can enhance the overall security posture and prevent similar vulnerabilities in the future.
Patching and Updates
Stay informed about security advisories from NETGEAR and promptly apply relevant patches to ensure your network devices are protected against known vulnerabilities.