CVE-2020-35716 Explained : Impact and Mitigation
Learn about CVE-2020-35716 affecting Belkin LINKSYS RE6500 devices. Discover the impact, technical details, and mitigation steps for this denial of service vulnerability.
Belkin LINKSYS RE6500 devices before 1.0.012.001 are vulnerable to a denial of service attack due to a specific parameter.
Understanding CVE-2020-35716
This CVE identifies a vulnerability in Belkin LINKSYS RE6500 devices that can be exploited by remote attackers to cause a persistent denial of service.
What is CVE-2020-35716?
The CVE-2020-35716 vulnerability allows remote attackers to trigger a persistent denial of service (segmentation fault) by sending a long /goform/langSwitch langSelectionOnly parameter to the affected devices.
The Impact of CVE-2020-35716
Exploitation of this vulnerability can lead to a sustained denial of service condition on the targeted Belkin LINKSYS RE6500 devices, disrupting their normal operation.
Technical Details of CVE-2020-35716
This section provides more in-depth technical information about the CVE.
Vulnerability Description
The vulnerability in Belkin LINKSYS RE6500 devices before version 1.0.012.001 allows remote attackers to cause a persistent denial of service through a specific parameter.
Affected Systems and Versions
- Affected System: Belkin LINKSYS RE6500 devices
- Vulnerable Versions: Before 1.0.012.001
Exploitation Mechanism
Attackers can exploit this vulnerability by sending a lengthy /goform/langSwitch langSelectionOnly parameter to the targeted devices, triggering a segmentation fault and causing a denial of service.
Mitigation and Prevention
Protecting systems from CVE-2020-35716 requires immediate actions and long-term security measures.
Immediate Steps to Take
- Update the affected Belkin LINKSYS RE6500 devices to version 1.0.012.001 or later to mitigate the vulnerability.
- Monitor network traffic for any suspicious activities that could indicate an ongoing attack.
Long-Term Security Practices
- Regularly update and patch all network-connected devices to prevent known vulnerabilities.
- Implement network segmentation and access controls to limit the impact of potential attacks.
Patching and Updates
- Apply security patches and firmware updates provided by Belkin for the LINKSYS RE6500 devices to address the vulnerability and enhance overall security.