CVE-2020-35796 Explained : Impact and Mitigation
Learn about CVE-2020-35796, a critical buffer overflow vulnerability affecting various NETGEAR router models. Find out the impact, affected systems, exploitation details, and mitigation steps.
Certain NETGEAR devices are affected by a buffer overflow vulnerability that can be exploited by an unauthenticated attacker. This CVE impacts various router models before specific firmware versions.
Understanding CVE-2020-35796
This CVE identifies a critical buffer overflow vulnerability in multiple NETGEAR router models.
What is CVE-2020-35796?
The CVE-2020-35796 vulnerability involves a buffer overflow issue that allows an attacker to execute arbitrary code on affected devices.
The Impact of CVE-2020-35796
The vulnerability has a CVSS base score of 8.8, indicating a high severity level. It can lead to unauthorized remote code execution with significant impacts on confidentiality, integrity, and availability.
Technical Details of CVE-2020-35796
This section provides more in-depth technical information about the CVE.
Vulnerability Description
The vulnerability allows unauthenticated attackers to trigger a buffer overflow on affected NETGEAR devices, potentially leading to remote code execution.
Affected Systems and Versions
The following NETGEAR router models are affected by CVE-2020-35796:
- CBR40 before 2.5.0.10
- D6220 before 1.0.0.60
- D6400 before 1.0.0.94
- D7000v2 before 1.0.0.62
- and many more
Exploitation Mechanism
The vulnerability can be exploited by an attacker within the adjacent network without requiring any privileges, making it a critical security concern.
Mitigation and Prevention
Protecting your devices from CVE-2020-35796 is crucial to ensure network security.
Immediate Steps to Take
- Update affected devices to the latest firmware versions provided by NETGEAR.
- Implement strong network segmentation to limit the impact of potential attacks.
- Monitor network traffic for any suspicious activities.
Long-Term Security Practices
- Regularly update firmware and security patches on all network devices.
- Conduct security audits and penetration testing to identify and address vulnerabilities proactively.
- Educate users on best practices for network security and safe browsing habits.
Patching and Updates
NETGEAR has released patches for the affected router models. Ensure timely installation of these patches to mitigate the risk of exploitation.