CVE-2014-7278: Zyxel SBG3300-N

Medium severity, CVSS 5.0. EPSS: 2.5% chance of exploitation in the next 30 days.

The login page on the ZyXEL SBG-3300 Security Gateway with firmware 1.00(AADY.4)C0 and earlier allows remote attackers to cause a denial of service (persistent web-interface outage) via JavaScript code within unspecified "welcome message" form data that is improperly handled during use for the loginMsg variable's value, a different vulnerability than CVE-2014-7277.

Affected products

  • Zyxel SBG3300-N
  • Zyxel SBG3300-N Firmware: up to and including 1.00\(aady.4\)c0

Published 2014-10-04. Last modified 2026-06-17.