CVE-2014-7278

Severity: medium (CVSS 5.0 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 2.5% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2014-10-04 · updated 2026-06-17
Weakness: CWE-20

Description

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: all versions
Zyxel Sbg3300-N Firmware: through 1.00\(aady.4\)c0

References

http://archives.neohapsis.com/archives/bugtraq/2014-10/0025.html
http://packetstormsecurity.com/files/128550/ZyXEL-SBG-3300-Security-Gateway-Denial-Of-Service.html
http://seclists.org/fulldisclosure/2014/Oct/20
https://exchange.xforce.ibmcloud.com/vulnerabilities/96892
http://archives.neohapsis.com/archives/bugtraq/2014-10/0025.html
http://packetstormsecurity.com/files/128550/ZyXEL-SBG-3300-Security-Gateway-Denial-Of-Service.html
http://seclists.org/fulldisclosure/2014/Oct/20
https://exchange.xforce.ibmcloud.com/vulnerabilities/96892

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