CVE-2020-35799 : Exploit Details and Defense Strategies
Learn about CVE-2020-35799, a critical vulnerability in NETGEAR routers allowing unauthenticated attackers to execute arbitrary code. Find out affected systems and mitigation steps.
Certain NETGEAR devices are affected by a stack-based buffer overflow vulnerability that can be exploited by an unauthenticated attacker. This vulnerability impacts various NETGEAR router models.
Understanding CVE-2020-35799
This CVE identifies a critical security issue in NETGEAR routers that could allow attackers to execute arbitrary code or crash affected devices.
What is CVE-2020-35799?
The CVE-2020-35799 vulnerability is a stack-based buffer overflow in certain NETGEAR devices, enabling unauthenticated attackers to compromise the devices.
The Impact of CVE-2020-35799
The vulnerability has a CVSS base score of 8.8, indicating a high severity level with significant impacts on confidentiality, integrity, and availability of the affected systems.
Technical Details of CVE-2020-35799
This section provides more in-depth technical insights into the CVE-2020-35799 vulnerability.
Vulnerability Description
The vulnerability allows unauthenticated attackers to trigger a stack-based buffer overflow on specific NETGEAR router models, potentially leading to arbitrary code execution or denial of service.
Affected Systems and Versions
The following NETGEAR devices are impacted by this vulnerability:
- D3600 before 1.0.0.76
- D6000 before 1.0.0.78
- D6200 before 1.1.00.32
- D7000 before 1.0.1.68
- and more (refer to the JSON data for the full list).
Exploitation Mechanism
Attackers can exploit this vulnerability by sending specially crafted packets to the affected devices, triggering the buffer overflow and potentially gaining unauthorized access.
Mitigation and Prevention
Protecting your systems from CVE-2020-35799 requires immediate actions and long-term security practices.
Immediate Steps to Take
- Apply security patches provided by NETGEAR for the affected devices immediately.
- Monitor network traffic for any suspicious activities that could indicate exploitation attempts.
Long-Term Security Practices
- Regularly update firmware and software to patch known vulnerabilities.
- Implement network segmentation and access controls to limit the attack surface.
Patching and Updates
Ensure that all affected NETGEAR devices are updated to the latest firmware versions that address the CVE-2020-35799 vulnerability.