CVE-2019-20688 : Security Advisory and Response
Learn about CVE-2019-20688 affecting NETGEAR devices. Understand the impact, affected systems, and mitigation steps to prevent command injection risks.
A range of NETGEAR devices are susceptible to command injection by an authenticated user.
Understanding CVE-2019-20688
Certain NETGEAR devices, including D3600, D6000, D6100, EX2700, EX6100v2, EX6150v2, EX6200v2, EX6400, EX7300, EX8000, R7800, R8900, R9000, WN2000RPTv3, WN3000RPv2, WN3100RPv2, WNDR3700v4, WNDR4300v1, WNDR4300v2, WNDR4500v3, WNR2000v5, and XR500, are affected by command injection vulnerabilities.
What is CVE-2019-20688?
- Command injection vulnerability in various NETGEAR devices
- Vulnerabilities exist in specific versions of the mentioned devices
The Impact of CVE-2019-20688
- CVSS v3.0 Base Score: 6.8 (Medium)
- Attack Complexity: Low
- Attack Vector: Adjacent Network
- High impacts on Availability, Confidentiality, and Integrity
- High privileges required with no user interaction
Technical Details of CVE-2019-20688
Vulnerability Description
- Authenticated users can exploit command injection vulnerabilities
Affected Systems and Versions
- D3600, D6000, D6100, EX2700, EX6100v2, EX6150v2, EX6200v2, EX6400, EX7300, EX8000, R7800, R8900, R9000, WN2000RPTv3, WN3000RPv2, WN3100RPv2, WNDR3700v4, WNDR4300v1, WNDR4300v2, WNDR4500v3, WNR2000v5, XR500
- Vulnerable versions specified for each device
Exploitation Mechanism
- Command injection by authenticated users
Mitigation and Prevention
Immediate Steps to Take
- Update affected devices to the specified patched versions
- Monitor network for any suspicious activities
Long-Term Security Practices
- Regularly update firmware and security patches
- Implement strong authentication mechanisms
Patching and Updates
- Refer to NETGEAR's security advisory for specific patch details