CVE-2018-21182 : Vulnerability Insights and Analysis
Discover the impact of CVE-2018-21182, a stack-based buffer overflow vulnerability in NETGEAR routers. Learn about affected systems, exploitation risks, and mitigation steps.
A stack-based buffer overflow vulnerability has been discovered in specific NETGEAR devices when accessed by an authorized user. This vulnerability impacts various NETGEAR router models.
Understanding CVE-2018-21182
This CVE identifies a critical security issue in certain NETGEAR routers that could be exploited by an authenticated user.
What is CVE-2018-21182?
The CVE-2018-21182 vulnerability is a stack-based buffer overflow found in NETGEAR routers, including R7800, R9000, WNDR3700v4, and WNDR4300 devices.
The Impact of CVE-2018-21182
The vulnerability has a CVSS base score of 6.8, indicating a medium severity issue with high impacts on confidentiality, integrity, and availability of the affected devices.
Technical Details of CVE-2018-21182
This section provides more in-depth technical insights into the CVE-2018-21182 vulnerability.
Vulnerability Description
The vulnerability allows an authenticated user to trigger a stack-based buffer overflow on the affected NETGEAR routers.
Affected Systems and Versions
- R7800 versions earlier than 1.0.2.40
- R9000 versions earlier than 1.0.2.52
- WNDR3700v4 versions earlier than 1.0.2.92
- WNDR4300 versions earlier than 1.0.2.94
Exploitation Mechanism
The vulnerability can be exploited by an attacker with high privileges through an adjacent network without requiring user interaction.
Mitigation and Prevention
Protecting your systems from CVE-2018-21182 is crucial to maintaining security.
Immediate Steps to Take
- Update affected NETGEAR routers to the latest firmware versions provided by the manufacturer.
- Implement strong access controls and restrict network access to authorized users only.
Long-Term Security Practices
- Regularly monitor security advisories from NETGEAR and apply patches promptly.
- Conduct security assessments and penetration testing to identify and address vulnerabilities proactively.
Patching and Updates
Ensure that all NETGEAR routers are updated with the latest firmware releases to mitigate the CVE-2018-21182 vulnerability.