Gigabyte Technology GN-B46B router allows authentication to be bypassed

gigabyte-gnb46b-bypass-authentication (15313) The risk level is classified as HighHigh Risk


GN-B46B could allow a local attacker to bypass security and gain unauthorized access to the router. Files stored on the server are protected with basic authorization, and are available from an HTML menu on the router itself. A local attacker can log into the local network and access the router's menu, allowing the attacker to bypass authentication and access files without having to authenticate.


Bypass Security


No remedy available as of September 1, 2014.


  • BugTraq Mailing List, Tue Feb 24 2004 - 08:44:03 CST: Gigabyte Broadband Router - Multiple Vulnerabilities.
  • BID-9740: Gigabyte Gn-B46B Wireless Router Authentication Bypass Vulnerability
  • CVE-2004-0328: Gigabyte Gn-B46B 2.4Ghz wireless broadband router firmware 1.003.00 allows local users on the same local network as the router to bypass authentication by using a copy of the router's html menu on a separate system.
  • OSVDB ID: 6797: Gigabyte Gn-B46B Local Network Authentication Bypass

Platforms Affected:

  • Gigabyte Technology GN-B46B firmware 1.003.00


Feb 24, 2004

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