CVE-2019-20703 : Security Advisory and Response
Learn about CVE-2019-20703 affecting NETGEAR devices. Understand the impact, affected systems, exploitation mechanism, and mitigation steps for this command injection vulnerability.
A number of NETGEAR devices are vulnerable to command injection by authenticated users. This vulnerability impacts specific firmware versions of D3600, D6000, and XR500.
Understanding CVE-2019-20703
Certain NETGEAR devices are susceptible to command injection when accessed by authenticated users, affecting multiple firmware versions.
What is CVE-2019-20703?
CVE-2019-20703 is a vulnerability found in NETGEAR devices that allows authenticated users to execute commands, potentially leading to unauthorized access or control of the affected devices.
The Impact of CVE-2019-20703
This vulnerability has a CVSS base score of 6.3, indicating a medium severity issue with a high impact on availability. Although confidentiality impact is none, integrity impact is low, and privileges required are low as well.
Technical Details of CVE-2019-20703
NETGEAR devices are affected by command injection, with specific details as follows:
Vulnerability Description
The vulnerability allows authenticated users to perform command injection on affected NETGEAR devices.
Affected Systems and Versions
- D3600 firmware versions earlier than 1.0.0.76
- D6000 firmware versions earlier than 1.0.0.76
- XR500 firmware versions earlier than 2.3.2.32
Exploitation Mechanism
The vulnerability can be exploited by authenticated users to execute arbitrary commands on the affected devices.
Mitigation and Prevention
It is crucial to take immediate steps to mitigate the risks associated with CVE-2019-20703:
Immediate Steps to Take
- Update the firmware of the affected NETGEAR devices to versions that address this vulnerability.
- Restrict network access to the devices to minimize the risk of exploitation.
Long-Term Security Practices
- Regularly monitor for security advisories and updates from NETGEAR.
- Implement network segmentation and access controls to limit exposure to potential threats.
Patching and Updates
- Apply patches and firmware updates provided by NETGEAR to remediate the vulnerability and enhance device security.