CVE-2021-45641 Explained : Impact and Mitigation
Learn about CVE-2021-45641 impacting NETGEAR devices due to security misconfigurations. Understand the vulnerability, its impact, affected systems, and mitigation steps.
NETGEAR devices are impacted by a security misconfiguration issue affecting various models.
Understanding CVE-2021-45641
Certain NETGEAR devices are affected by incorrect security settings configuration.
What is CVE-2021-45641?
The CVE-2021-45641 vulnerability pertains to the incorrect configuration of security settings on multiple NETGEAR devices, leaving them exposed to potential risks.
The Impact of CVE-2021-45641
This vulnerability has a base score of 4.6, with medium severity, affecting confidentiality, integrity, and requiring low privileges for exploitation. The attack complexity is low, with an adjacent network attack vector and no availability impact.
Technical Details of CVE-2021-45641
The technical details of the CVE-2021-45641 vulnerability are as follows:
Vulnerability Description
The security misconfiguration affects a range of NETGEAR devices, including popular models like D7000, R7000, and others, before specific firmware versions (e.g., D7000 before 1.0.1.74).
Affected Systems and Versions
NETGEAR devices impacted by this vulnerability include D3600, D6200, D7000, R6700, and many more before certain firmware versions as specified.
Exploitation Mechanism
Exploiting this vulnerability requires low privileges and no user interaction, allowing attackers in an adjacent network to potentially compromise confidentiality and integrity.
Mitigation and Prevention
To address CVE-2021-45641, consider the following mitigations:
Immediate Steps to Take
- Verify if your device is affected by checking the firmware version against the mentioned vulnerable releases.
- Update affected devices to the latest firmware provided by NETGEAR.
- Restrict network access to vulnerable devices and implement firewall rules.
Long-Term Security Practices
- Regularly monitor vendor security advisories and apply updates promptly.
- Conduct security assessments to identify and address potential misconfigurations.
- Implement network segmentation to limit the impact of potential breaches.
Patching and Updates
- Install patches provided by NETGEAR for the affected devices to mitigate the security misconfiguration vulnerability.