CVE-2019-20697 : Vulnerability Insights and Analysis
Learn about CVE-2019-20697, a high-severity vulnerability allowing unauthorized individuals to exploit a stack-based buffer overflow on specific NETGEAR devices. Find out how to mitigate and prevent this security issue.
An unauthorized individual can exploit a stack-based buffer overflow on specific NETGEAR devices. This vulnerability affects various models prior to specific versions.
Understanding CVE-2019-20697
This CVE involves a stack-based buffer overflow vulnerability in certain NETGEAR devices, allowing unauthorized attackers to exploit the issue.
What is CVE-2019-20697?
CVE-2019-20697 is a security vulnerability that enables unauthorized individuals to perform a stack-based buffer overflow on specific NETGEAR devices. The affected models include GS728TPPv2, GS728TPv2, GS750E, GS752TPP, and GS752TPv2 before certain versions.
The Impact of CVE-2019-20697
The vulnerability has a CVSS v3.0 base score of 8.8, indicating a high severity level. It can lead to a significant impact on the availability of the affected systems.
Technical Details of CVE-2019-20697
This section provides more in-depth technical insights into the CVE.
Vulnerability Description
The vulnerability is a stack-based buffer overflow that allows unauthenticated attackers to compromise the affected NETGEAR devices.
Affected Systems and Versions
- GS728TPPv2 models before version 6.0.0.48
- GS728TPv2 models before version 6.0.0.48
- GS750E models before version 1.0.1.4
- GS752TPP models before version 6.0.0.48
- GS752TPv2 models before version 6.0.0.48
Exploitation Mechanism
The vulnerability can be exploited by an unauthorized individual through a stack-based buffer overflow on the specified NETGEAR device models.
Mitigation and Prevention
Protecting systems from CVE-2019-20697 requires immediate actions and long-term security practices.
Immediate Steps to Take
- Apply security patches provided by NETGEAR for the affected models.
- Implement network segmentation to limit the impact of potential attacks.
- 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
Ensure that all affected NETGEAR devices are updated to versions that address the stack-based buffer overflow vulnerability.