CVE-2021-29075 : What You Need to Know
Learn about CVE-2021-29075 affecting certain NETGEAR devices with a stack-based buffer overflow. Find out the impact, technical details, and mitigation steps to safeguard your devices.
Certain NETGEAR devices are affected by a stack-based buffer overflow by an authenticated user. This vulnerability impacts devices such as RBW30, RBK852, RBR850, RBS850, RBK752, RBK753, RBK753S, RBK754, RBR750, and RBS750 prior to specific firmware versions.
Understanding CVE-2021-29075
This section will provide an overview of CVE-2021-29075, its impact, technical details, and mitigation strategies.
What is CVE-2021-29075?
CVE-2021-29075 is a vulnerability found in certain NETGEAR devices, leading to a stack-based buffer overflow when exploited by an authenticated user.
The Impact of CVE-2021-29075
The vulnerability poses a high risk with a CVSS base score of 8.4, affecting confidentiality, integrity, and availability of the devices. Attackers with high privileges can exploit this issue post-authentication.
Technical Details of CVE-2021-29075
This section will delve into the technical aspects of the vulnerability, including its description, affected systems, and exploitation mechanism.
Vulnerability Description
The stack-based buffer overflow vulnerability in NETGEAR devices allows attackers to execute arbitrary code on the affected devices, compromising their security.
Affected Systems and Versions
Devices such as RBW30, RBK852, RBR850, RBS850, RBK752, RBK753, RBK753S, RBK754, RBR750, and RBS750 are vulnerable if running firmware versions prior to specific versions.
Exploitation Mechanism
An authenticated user can exploit this vulnerability to trigger a stack-based buffer overflow on the affected NETGEAR devices, potentially leading to unauthorized access.
Mitigation and Prevention
This section will outline steps to mitigate the CVE-2021-29075 vulnerability and prevent future security risks.
Immediate Steps to Take
Users should update their NETGEAR devices to the latest firmware versions provided by the manufacturer to mitigate the risk of exploitation.
Long-Term Security Practices
Implementing strong network security measures, such as regular security audits and access controls, can help prevent unauthorized access to the devices.
Patching and Updates
Regularly check for firmware updates from NETGEAR and apply patches promptly to address known security vulnerabilities and enhance device security.