CVE-2017-18798:Security Misconfiguration Vulnerability in Multiple NETGEAR Router Models

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Certain NETGEAR router and DSL modem router models are affected by incorrect configuration of security settings. This vulnerability (CVE-2017-18798) impacts R6700v2 before firmware version 1.1.0.38, R6800 before firmware version 1.1.0.38, D7000 before firmware version 1.0.1.50, and D1500 before firmware version 1.0.0.25. The misconfiguration could potentially allow attackers to bypass security controls and gain unauthorized access to the affected devices.

Overview

This vulnerability (CWE-20: Improper Input Validation) affects multiple NETGEAR router models due to security misconfiguration issues. The affected devices have incorrect security settings that could potentially be exploited by attackers to compromise the device. The vulnerability impacts home networking equipment including both standard routers (R6700v2, R6800) and DSL modem routers (D7000, D1500) running firmware versions prior to those specified in the advisory. Security misconfigurations can lead to various security issues including unauthorized access, information disclosure, or potential device compromise.

Remediation

To remediate this vulnerability, NETGEAR recommends updating the firmware of affected devices to the following versions or later:

  • R6700v2: Update to firmware version 1.1.0.38 or later
  • R6800: Update to firmware version 1.1.0.38 or later
  • D7000: Update to firmware version 1.0.1.50 or later
  • D1500: Update to firmware version 1.0.0.25 or later

Users should download the latest firmware from the NETGEAR support website and follow the manufacturer's instructions for updating their specific device model. Additionally, it's recommended to:

  1. Change default admin credentials
  2. Disable remote management if not needed
  3. Ensure WPA2 or later encryption is used for wireless networks
  4. Regularly check for and apply firmware updates

References

  1. NETGEAR Security Advisory for Security Misconfiguration Vulnerability (PSV-2017-2159): https://kb.netgear.com/000049358/Security-Advisory-for-Security-Misconfiguration-Vulnerability-on-Some-Routers-and-Some-DSL-Modem-Routers-PSV-2017-2159
  2. MITRE CWE-20 (Improper Input Validation): https://cwe.mitre.org/data/definitions/20.html

Industry ExposureMost to least
This section illustrates the prevalence of a specific Common Vulnerabilities and Exposures (CVE) across various industries based on customer reports. The ranking displays industries from the most to least affected by this particular vulnerability, offering valuable insight into where this CVE has been most frequently observed. This information can help organizations within these sectors prioritize their security efforts, understand their relative risk exposure compared to their peers, and focus remediation strategies where they are most needed. By understanding the industry-specific impact, organizations can make more informed decisions regarding patching, resource allocation, and overall risk management related to this CVE.

  1. Accommodation & Food Services
    Accommodation & Food Services
  2. Administrative, Support, Waste Management & Remediation Services
    Administrative, Support, Waste Management & Remediation Services
  3. Agriculture, Forestry Fishing & Hunting
    Agriculture, Forestry Fishing & Hunting
  4. Arts, Entertainment & Recreation
    Arts, Entertainment & Recreation
  5. Construction
    Construction
  6. Educational Services
    Educational Services
  7. Finance and Insurance
    Finance and Insurance
  8. Health Care & Social Assistance
    Health Care & Social Assistance
  9. Information
    Information
  10. Management of Companies & Enterprises
    Management of Companies & Enterprises
  11. Manufacturing
    Manufacturing
  12. Mining
    Mining
  13. Other Services (except Public Administration)
    Other Services (except Public Administration)
  14. Professional, Scientific, & Technical Services
    Professional, Scientific, & Technical Services
  15. Public Administration
    Public Administration
  16. Real Estate Rental & Leasing
    Real Estate Rental & Leasing
  17. Retail Trade
    Retail Trade
  18. Transportation & Warehousing
    Transportation & Warehousing
  19. Utilities
    Utilities
  20. Wholesale Trade
    Wholesale Trade

Focus on What Matters

  1. See Everything.
  2. Identify True Risk.
  3. Proactively Mitigate Threats.

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