CVE-2020-35795 : What You Need to Know
Learn about CVE-2020-35795, a critical buffer overflow vulnerability affecting certain NETGEAR devices. Understand the impact, affected systems, exploitation mechanism, and mitigation steps.
Certain NETGEAR devices are affected by a buffer overflow vulnerability that can be exploited by an unauthenticated attacker. This CVE impacts a wide range of NETGEAR router models.
Understanding CVE-2020-35795
This CVE identifies a critical vulnerability in NETGEAR devices that could allow an attacker to execute arbitrary code on the affected devices.
What is CVE-2020-35795?
The vulnerability is a buffer overflow issue that can be triggered by an unauthenticated attacker, potentially leading to a complete compromise of the affected device.
The Impact of CVE-2020-35795
The CVSS v3.1 base score for this vulnerability is 9.8, indicating a critical severity level. The impact includes high availability, confidentiality, and integrity impacts, with no privileges required for exploitation.
Technical Details of CVE-2020-35795
This section provides more technical insights into the vulnerability.
Vulnerability Description
The vulnerability allows an unauthenticated attacker to trigger a buffer overflow on certain NETGEAR devices, leading to potential arbitrary code execution.
Affected Systems and Versions
The following NETGEAR devices are affected by this vulnerability:
- AC2100, AC2400, AC2600
- CBK40, CBR40, D7800
- EAX20, EAX80, EX7500
- Various models of R series, including R6700, R7000, R8000
- Orbi WiFi Systems and more
Exploitation Mechanism
The vulnerability can be exploited remotely over the network without requiring any user interaction, making it a significant security concern.
Mitigation and Prevention
It is crucial to take immediate steps to mitigate the risks posed by CVE-2020-35795.
Immediate Steps to Take
- Update the firmware of affected NETGEAR devices to the latest patched versions provided by the vendor.
- Implement network segmentation to limit the impact of potential attacks.
- Monitor network traffic for any signs of exploitation.
Long-Term Security Practices
- Regularly update firmware and security patches on all network devices.
- Conduct security assessments and penetration testing to identify and address vulnerabilities proactively.
- Educate users and administrators about best security practices to prevent future incidents.
Patching and Updates
NETGEAR has released patches for the affected devices. Ensure that all vulnerable devices are updated to the latest firmware versions to mitigate the risk of exploitation.