CVE-2020-10928 : Security Advisory and Response
Learn about CVE-2020-10928, a critical vulnerability in NETGEAR R6700 routers allowing attackers to execute arbitrary code without authentication. Find mitigation steps and preventive measures here.
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 string table file uploads, leading to a heap-based buffer overflow.
Understanding CVE-2020-10928
This CVE entry describes a critical vulnerability in NETGEAR R6700 routers that enables attackers to run malicious code without authentication.
What is CVE-2020-10928?
CVE-2020-10928 is a heap-based buffer overflow vulnerability in NETGEAR R6700 routers, allowing network-adjacent attackers to execute arbitrary code.
The Impact of CVE-2020-10928
The vulnerability has a CVSS base score of 8.4 (High severity) with significant impacts on confidentiality, integrity, and availability of the affected systems.
Technical Details of CVE-2020-10928
This section provides detailed technical information about the vulnerability.
Vulnerability Description
The flaw arises from inadequate validation of user-supplied data length before copying it to a fixed-length, heap-based buffer, enabling attackers to exploit this weakness.
Affected Systems and Versions
- Product: NETGEAR R6700
- Version: V1.0.4.84_10.0.58
Exploitation Mechanism
Attackers can leverage the vulnerability in the handling of string table file uploads to execute arbitrary code within the web server context.
Mitigation and Prevention
Protecting systems from CVE-2020-10928 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 address security vulnerabilities.
- Conduct security assessments and penetration testing to identify and mitigate potential risks.
Patching and Updates
Regularly check for security updates and patches from NETGEAR to address CVE-2020-10928.