CVE-2021-45507 : Vulnerability Insights and Analysis
Learn about CVE-2021-45507 impacting NETGEAR devices with an authentication bypass vulnerability. Find out affected systems, the severity, and steps to mitigate the risk.
Certain NETGEAR devices are affected by authentication bypass. This vulnerability impacts multiple device models such as CBR40, CBR750, RBW30, RBK752, RBR750, RBS750, RBK852, RBR850, RBS850, and RBS40V.
Understanding CVE-2021-45507
This CVE involves an authentication bypass vulnerability in specific NETGEAR devices.
What is CVE-2021-45507?
The CVE-2021-45507 vulnerability pertains to the ability of attackers to bypass authentication mechanisms on affected NETGEAR devices.
The Impact of CVE-2021-45507
This critical vulnerability has the following impacts:
- Attack Complexity: Low
- Attack Vector: Adjacent Network
- Availability Impact: High
- Confidentiality Impact: High
- Integrity Impact: High
- Privileges Required: None
- Scope: Changed
- User Interaction: None
Technical Details of CVE-2021-45507
This section delves into the technical aspects of the vulnerability.
Vulnerability Description
The vulnerability allows unauthorized individuals to bypass authentication on affected NETGEAR devices.
Affected Systems and Versions
The following device versions are impacted:
- CBR40 before 2.5.0.24
- CBR750 before 4.6.3.6
- RBW30 before 2.6.2.2
- RBK752 before 3.2.17.12
- RBR750 before 3.2.17.12
- RBS750 before 3.2.17.12
- RBK852 before 3.2.17.12
- RBR850 before 3.2.17.12
- RBS850 before 3.2.17.12
- RBS40V before 2.6.2.8
Exploitation Mechanism
The exploitation of this vulnerability occurs through the bypassing of the authentication process, allowing unauthorized access to the affected devices.
Mitigation and Prevention
It is crucial to take immediate and long-term security measures to address this vulnerability.
Immediate Steps to Take
- Apply patches provided by NETGEAR for the affected devices.
- Implement strong network security measures to mitigate potential unauthorized access.
Long-Term Security Practices
- Regularly update device firmware to patch security vulnerabilities.
- Monitor network traffic for any suspicious activity.
- Enforce strict access control policies to prevent unauthorized access.
Patching and Updates
Ensure timely installation of security patches and firmware updates to safeguard against potential exploitation of this vulnerability.