CVE-2017-18719 : Exploit Details and Defense Strategies
Learn about CVE-2017-18719, a high-severity vulnerability in NETGEAR devices allowing unauthenticated attackers to trigger a stack-based buffer overflow. Find mitigation steps and prevention measures.
An unauthenticated attacker can exploit a stack-based buffer overflow vulnerability present in specific NETGEAR devices. This vulnerability impacts D6200 version 1.1.00.24 and earlier, R6020 version 1.1.00.26 and earlier, R6080 version 1.1.00.26 and earlier, R6700v2 version 1.1.0.42 and earlier, R6800 version 1.1.0.42 and earlier, and R6900v2 version 1.1.0.42 and earlier.
Understanding CVE-2017-18719
Certain NETGEAR devices are affected by a stack-based buffer overflow vulnerability that can be exploited by an unauthenticated attacker.
What is CVE-2017-18719?
CVE-2017-18719 is a vulnerability that allows an unauthenticated attacker to trigger a stack-based buffer overflow on specific NETGEAR devices.
The Impact of CVE-2017-18719
This vulnerability has a CVSS base score of 8.8, indicating a high severity level. The impact includes high confidentiality, integrity, and availability impacts, with low attack complexity and no privileges required.
Technical Details of CVE-2017-18719
NETGEAR devices are susceptible to a stack-based buffer overflow vulnerability.
Vulnerability Description
The vulnerability allows unauthenticated attackers to exploit a stack-based buffer overflow on affected NETGEAR devices.
Affected Systems and Versions
- D6200 version 1.1.00.24 and earlier
- R6020 version 1.1.00.26 and earlier
- R6080 version 1.1.00.26 and earlier
- R6700v2 version 1.1.0.42 and earlier
- R6800 version 1.1.0.42 and earlier
- R6900v2 version 1.1.0.42 and earlier
Exploitation Mechanism
The vulnerability can be exploited by an unauthenticated attacker through a stack-based buffer overflow on the affected NETGEAR devices.
Mitigation and Prevention
Steps to address and prevent the CVE-2017-18719 vulnerability.
Immediate Steps to Take
- Apply security patches provided by NETGEAR for the affected devices.
- Implement network segmentation to limit exposure to potential attacks.
- Monitor network traffic for any suspicious activity.
Long-Term Security Practices
- Regularly update firmware and software on all network devices.
- Conduct security assessments and penetration testing to identify vulnerabilities.
- Educate users on best practices for online security and awareness.
Patching and Updates
Ensure timely installation of security patches and updates released by NETGEAR to address the CVE-2017-18719 vulnerability.