CVE-2019-20712 : Vulnerability Insights and Analysis
Learn about CVE-2019-20712, a buffer overflow vulnerability in NETGEAR devices, impacting models like D6220, D6400, D7000v2. Find mitigation steps and updates to secure your devices.
NETGEAR devices are vulnerable to a buffer overflow issue when accessed by authenticated users. This impacts various models including D6220, D6400, D7000v2, D8500, DGN2200v4, and more.
Understanding CVE-2019-20712
This CVE identifies a buffer overflow vulnerability in several NETGEAR devices, potentially exploited by authenticated users.
What is CVE-2019-20712?
The vulnerability allows authenticated users to trigger a buffer overflow on specific NETGEAR models, potentially leading to unauthorized access or denial of service.
The Impact of CVE-2019-20712
The vulnerability has a CVSS base score of 6.8, indicating a medium severity issue with high impacts on confidentiality, integrity, and availability of affected devices.
Technical Details of CVE-2019-20712
This section provides more in-depth technical insights into the CVE-2019-20712 vulnerability.
Vulnerability Description
The vulnerability involves a buffer overflow in NETGEAR devices when accessed by authenticated users, potentially leading to unauthorized access or denial of service.
Affected Systems and Versions
The following NETGEAR models are affected by this vulnerability:
- D6220 (version 1.0.0.52 and earlier)
- D6400 (version 1.0.0.86 and earlier)
- D7000v2 (version 1.0.0.53 and earlier)
- D8500 (version 1.0.3.44 and earlier)
- DGN2200v4 (version 1.0.0.110 and earlier)
- And more
Exploitation Mechanism
The vulnerability can be exploited by authenticated users to trigger a buffer overflow, potentially leading to unauthorized access or denial of service.
Mitigation and Prevention
To address CVE-2019-20712, users and administrators can take the following steps:
Immediate Steps to Take
- Update affected NETGEAR devices to the latest firmware versions.
- Implement strong authentication mechanisms to prevent unauthorized access.
- Monitor network traffic for any suspicious activities.
Long-Term Security Practices
- Regularly update and patch all network devices to mitigate potential vulnerabilities.
- Conduct security assessments and penetration testing to identify and address security gaps.
Patching and Updates
- NETGEAR has released patches to address the buffer overflow vulnerability. Ensure all affected devices are updated to the latest firmware versions.