CVE-2018-21116 Explained : Impact and Mitigation
Learn about CVE-2018-21116, a critical vulnerability allowing unauthenticated attackers to execute remote code on NETGEAR XR500 devices. Find out the impact, affected versions, and mitigation steps.
Unauthenticated attackers have the ability to perform remote code execution on vulnerable NETGEAR XR500 devices prior to version 2.3.2.32.
Understanding CVE-2018-21116
NETGEAR XR500 devices before version 2.3.2.32 are susceptible to remote code execution by unauthenticated attackers.
What is CVE-2018-21116?
CVE-2018-21116 is a vulnerability that allows unauthenticated attackers to execute remote code on NETGEAR XR500 devices.
The Impact of CVE-2018-21116
- CVSS Base Score: 8.8 (High)
- Attack Vector: Adjacent Network
- Attack Complexity: Low
- Confidentiality Impact: High
- Integrity Impact: High
- Availability Impact: High
Technical Details of CVE-2018-21116
NETGEAR XR500 devices are affected by a critical vulnerability that enables remote code execution.
Vulnerability Description
The vulnerability allows unauthenticated attackers to execute code remotely on vulnerable NETGEAR XR500 devices.
Affected Systems and Versions
- Affected Product: NETGEAR XR500
- Vulnerable Versions: Before 2.3.2.32
Exploitation Mechanism
Attackers can exploit this vulnerability remotely without requiring any privileges.
Mitigation and Prevention
It is crucial to take immediate steps to mitigate the risks posed by CVE-2018-21116.
Immediate Steps to Take
- Update affected devices to version 2.3.2.32 or later.
- Implement network segmentation to limit exposure.
- Monitor network traffic for any suspicious activity.
Long-Term Security Practices
- Regularly update firmware and security patches.
- Conduct security assessments and penetration testing.
Patching and Updates
- Apply patches and updates provided by NETGEAR to address this vulnerability.