CVE-2017-18706:Security Misconfiguration Vulnerability in Multiple NETGEAR Router Models

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Multiple NETGEAR router models contain a security vulnerability due to incorrect configuration of security settings. This affects several models including R6100, R7500, WNDR3700v4, WNDR4300, WNDR4300v2, WNDR4500v3, and WNR2000v5 running firmware versions prior to their respective security updates. The misconfiguration could potentially allow attackers to bypass security controls, potentially leading to unauthorized access or other security implications.

Overview

This vulnerability (CVE-2017-18706) stems from incorrect configuration of security settings in multiple NETGEAR router models. The affected devices include:

  • R6100 before firmware version 1.0.1.20
  • R7500 before firmware version 1.0.0.118
  • WNDR3700v4 before firmware version 1.0.2.88
  • WNDR4300 before firmware version 1.0.2.90
  • WNDR4300v2 before firmware version 1.0.0.48
  • WNDR4500v3 before firmware version 1.0.0.48
  • WNR2000v5 before firmware version 1.0.0.62

While specific details of the security misconfiguration are not fully disclosed, such vulnerabilities typically allow attackers to bypass intended security controls, potentially leading to unauthorized access, information disclosure, or other security compromises in the affected network environments.

Remediation

To address this vulnerability, users should:

  1. Update the firmware on affected devices to the following versions or later:

    • R6100: Update to version 1.0.1.20 or later
    • R7500: Update to version 1.0.0.118 or later
    • WNDR3700v4: Update to version 1.0.2.88 or later
    • WNDR4300: Update to version 1.0.2.90 or later
    • WNDR4300v2: Update to version 1.0.0.48 or later
    • WNDR4500v3: Update to version 1.0.0.48 or later
    • WNR2000v5: Update to version 1.0.0.62 or later

  2. Follow NETGEAR's recommended firmware update procedure:

    • Access your router's web interface (typically http://www.routerlogin.net or http://192.168.1.1)
    • Log in with your administrator credentials
    • Navigate to the firmware update section
    • Download and install the appropriate firmware from NETGEAR's support site
    • Restart the router after the update is complete

  3. After updating, verify that all security settings are properly configured:

    • Change default passwords
    • Disable remote management if not needed
    • Enable WPA2/WPA3 encryption for wireless networks
    • Review and update other security settings as needed

References

  1. NETGEAR Security Advisory for Security Misconfiguration on Some Routers (PSV-2017-0516): https://kb.netgear.com/000053196/Security-Advisory-for-Security-Misconfiguration-on-Some-Routers-PSV-2017-0516

  2. MITRE CVE Entry: https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-18706

  3. NETGEAR Support and Downloads: https://www.netgear.com/support/

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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