CVE-2018-10561:CVE-2018-10561 is a vulnerability found in Dasan GPON home routers that allows attackers to bypass authentication by appending "?images" to any URL requiring authentication.

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Description Preview

An issue was discovered on Dasan GPON home routers, specifically in the authentication mechanism. By simply adding "?images" to the end of a URL that typically requires authentication, such as /menu.html?images/ or /GponForm/diag_FORM?images/, an attacker can bypass the authentication process and gain unauthorized access to manage the device.

Overview

This vulnerability in Dasan GPON home routers, assigned CVE-2018-10561, poses a critical risk as it allows attackers to bypass authentication and take control of the device. The vulnerability was made public on May 3, 2018, and has a CVSS v3.1 base score of 9.8, indicating a critical severity level with high impact on confidentiality, integrity, and availability.

Remediation

To mitigate the CVE-2018-10561 vulnerability, it is recommended to apply the following remediation steps:

  1. Update the firmware of the affected Dasan GPON home routers to the latest version that includes a patch for this authentication bypass issue.
  2. Implement strong password policies and multi-factor authentication to enhance the security of the device.
  3. Regularly monitor and audit network traffic for any suspicious activities that may indicate unauthorized access attempts.

References

  1. SecurityFocus BID-107053: http://www.securityfocus.com/bid/107053
  2. Exploit-DB-44576: https://www.exploit-db.com/exploits/44576/
  3. VPNMentor Blog - Critical Vulnerability in GPON Router: https://www.vpnmentor.com/blog/critical-vulnerability-gpon-router/

Early Warning

Armis Early Warning customers received an advanced alert on this vulnerability.

Armis Alert Date
Oct 29, 2020
CISA KEV Date
Mar 31, 2022
518days early
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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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