CVE-2022-27947 : Vulnerability Insights and Analysis
Learn about CVE-2022-27947, a vulnerability in NETGEAR R8500 1.0.2.158 devices allowing remote authenticated users to execute arbitrary commands. Find mitigation steps and prevention measures.
This article provides detailed information about CVE-2022-27947, a vulnerability found in NETGEAR R8500 1.0.2.158 devices that allows remote authenticated users to execute arbitrary commands.
Understanding CVE-2022-27947
CVE-2022-27947 is a security flaw in NETGEAR R8500 1.0.2.158 devices that enables authenticated remote users to run arbitrary commands through specific parameters.
What is CVE-2022-27947?
The vulnerability in NETGEAR R8500 1.0.2.158 devices allows remote authenticated users to execute arbitrary commands (e.g., telnetd) by utilizing shell metacharacters in certain parameters.
The Impact of CVE-2022-27947
The impact of CVE-2022-27947 could lead to unauthorized remote access and control of affected devices, potentially resulting in sensitive data exposure or system compromise.
Technical Details of CVE-2022-27947
The technical details of CVE-2022-27947 include:
Vulnerability Description
The vulnerability arises due to insufficient input validation in the affected NETGEAR R8500 1.0.2.158 devices, allowing attackers to inject and execute arbitrary commands remotely.
Affected Systems and Versions
NETGEAR R8500 1.0.2.158 devices are affected by this vulnerability.
Exploitation Mechanism
Attackers can exploit this vulnerability by inserting shell metacharacters in specific parameters such as ipv6_fix.cgi ipv6_wan_ipaddr, ipv6_lan_ipaddr, ipv6_wan_length, or ipv6_lan_length after gaining remote authenticated access.
Mitigation and Prevention
Given the severity of CVE-2022-27947, it is crucial to take immediate action to mitigate the risk and secure the affected devices.
Immediate Steps to Take
- Update the firmware to the latest patched version provided by NETGEAR.
- Restrict network access to trusted users and devices.
Long-Term Security Practices
- Regularly monitor for security advisories and updates from NETGEAR.
- Implement strong password policies and multi-factor authentication.
Patching and Updates
Ensure timely installation of software updates and patches released by NETGEAR to address the CVE-2022-27947 vulnerability.