CVE-2019-20761 Explained : Impact and Mitigation
Learn about CVE-2019-20761, command injection vulnerabilities in NETGEAR R7800 devices before 1.0.2.62. Find out the impact, affected systems, exploitation mechanism, and mitigation steps.
Command injection vulnerabilities have been discovered in NETGEAR R7800 devices with software versions prior to 1.0.2.62. These vulnerabilities can be exploited by a user who is authenticated on the device.
Understanding CVE-2019-20761
Command injection vulnerabilities in NETGEAR R7800 devices.
What is CVE-2019-20761?
CVE-2019-20761 refers to command injection vulnerabilities found in NETGEAR R7800 devices before version 1.0.2.62. These vulnerabilities can be abused by an authenticated user to execute arbitrary commands on the device.
The Impact of CVE-2019-20761
The impact of this vulnerability is rated as high, with a CVSS base score of 7.6. The confidentiality impact is low, but the availability and integrity impacts are high. The attack complexity is low, and privileges required are also low.
Technical Details of CVE-2019-20761
Details about the vulnerability in NETGEAR R7800 devices.
Vulnerability Description
The vulnerability allows authenticated users to perform command injections on affected devices, potentially leading to unauthorized access and control.
Affected Systems and Versions
- Vulnerable Systems: NETGEAR R7800 devices
- Affected Versions: Versions prior to 1.0.2.62
Exploitation Mechanism
The vulnerability can be exploited by authenticated users to inject and execute malicious commands on the device, compromising its security.
Mitigation and Prevention
Ways to mitigate and prevent exploitation of CVE-2019-20761.
Immediate Steps to Take
- Update the NETGEAR R7800 device to version 1.0.2.62 or later to patch the vulnerability.
- Regularly monitor and restrict user access to minimize the risk of unauthorized command injections.
Long-Term Security Practices
- Implement strong authentication mechanisms to prevent unauthorized access.
- Conduct regular security audits and penetration testing to identify and address vulnerabilities proactively.
Patching and Updates
- Apply security patches and updates provided by NETGEAR promptly to ensure the device is protected against known vulnerabilities.