CVE-2017-18723 : Security Advisory and Response
Learn about CVE-2017-18723, a stack-based buffer overflow vulnerability in NETGEAR devices. Find out affected systems, impacts, and mitigation steps to secure your network.
A stack-based buffer overflow vulnerability has been discovered in specific NETGEAR devices, allowing unauthorized attackers to exploit the affected devices.
Understanding CVE-2017-18723
What is CVE-2017-18723?
Certain NETGEAR devices, including D6200, R6700v2, R6800, and R6900v2, are susceptible to a stack-based buffer overflow vulnerability.
The Impact of CVE-2017-18723
The vulnerability has a CVSS base score of 8.8 (High severity) with significant impacts on confidentiality, integrity, and availability.
Technical Details of CVE-2017-18723
Vulnerability Description
- A stack-based buffer overflow vulnerability in specific NETGEAR devices
Affected Systems and Versions
- NETGEAR D6200 (versions prior to 1.1.00.24)
- NETGEAR R6700v2 (versions prior to 1.1.0.42)
- NETGEAR R6800 (versions prior to 1.1.0.42)
- NETGEAR R6900v2 (versions prior to 1.1.0.42)
Exploitation Mechanism
- Unauthorized attackers can exploit the vulnerability
Mitigation and Prevention
Immediate Steps to Take
- Update affected devices to versions 1.1.00.24 (D6200) or 1.1.0.42 (R6700v2, R6800, R6900v2)
- Implement network segmentation to limit exposure
Long-Term Security Practices
- Regularly update firmware and security patches
- Conduct security assessments and penetration testing
Patching and Updates
- NETGEAR has released patches to address the vulnerability