CVE-2020-10926 Explained : Impact and Mitigation

This vulnerability allows network-adjacent attackers to execute arbitrary code on affected installations of NETGEAR R6700 V1.0.4.84_10.0.58 routers without requiring authentication. The flaw lies in the handling of firmware updates, lacking proper validation of the firmware image, enabling attackers to execute code as root.

Understanding CVE-2020-10926

This CVE entry describes a critical vulnerability in NETGEAR R6700 routers that can be exploited by attackers to run arbitrary code.

What is CVE-2020-10926?

CVE-2020-10926 is a security vulnerability that permits network-adjacent attackers to execute arbitrary code on vulnerable NETGEAR R6700 routers without the need for authentication.

The Impact of CVE-2020-10926

The vulnerability has a CVSS base score of 7.5, indicating a high severity level. Attackers can exploit this flaw to compromise the confidentiality, integrity, and availability of the affected systems.

Technical Details of CVE-2020-10926

This section provides detailed technical information about the vulnerability.

Vulnerability Description

The specific flaw in CVE-2020-10926 exists in the handling of firmware updates on NETGEAR R6700 routers, where the lack of proper validation of the firmware image allows attackers to execute arbitrary code.

Affected Systems and Versions

Product: NETGEAR R6700
Version: V1.0.4.84_10.0.58

Exploitation Mechanism

Attackers can exploit this vulnerability by sending specially crafted firmware update requests to the affected routers, enabling them to execute arbitrary code as root.

Mitigation and Prevention

Protecting systems from CVE-2020-10926 requires immediate actions and long-term security practices.

Immediate Steps to Take

Apply security patches provided by NETGEAR promptly.
Implement network segmentation to limit exposure to potential attackers.
Monitor network traffic for any suspicious activities.

Long-Term Security Practices

Regularly update firmware and software to patch known vulnerabilities.
Conduct security assessments and penetration testing to identify and address weaknesses.
Educate users on best practices for network security and safe browsing habits.
Consider implementing intrusion detection and prevention systems.

Patching and Updates

Ensure that the affected NETGEAR R6700 routers are updated with the latest firmware patches to mitigate the vulnerability.