VAR-200708-0018
Vulnerability from variot - Updated: 2025-04-10 23:13The management interface in ZyNOS firmware 3.62(WK.6) on the Zyxel Zywall 2 device has a certain default password, which allows remote attackers to perform administrative actions. Zywall 2 is prone to a remote security vulnerability.
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TITLE: ZyXEL ZyWALL / ZyNOS Cross-Site Request Forgery
SECUNIA ADVISORY ID: SA26381
VERIFY ADVISORY: http://secunia.com/advisories/26381/
CRITICAL: Less critical
IMPACT: Cross Site Scripting
WHERE:
From remote
OPERATING SYSTEM: ZyXEL ZyWALL Series http://secunia.com/product/147/ ZyXEL ZyNOS 3.x http://secunia.com/product/149/
DESCRIPTION: Henri Lindberg has reported a vulnerability in ZyXEL ZyWALL / ZyNOS, which can be exploited by malicious people to conduct cross-site request forgery attacks. This can be exploited to perform certain actions when a logged in administrator is tricked into visiting a malicious website.
NOTE: Reportedly, this can further be exploited to conduct script insertion attacks.
The vulnerabilities are reported in Zyxell ZyWALL 2 and in ZyNOS firmware version V3.62(WK.6). Other versions may also be affected.
SOLUTION: Do not browser untrusted sites while being logged in to the administrative section of the device.
PROVIDED AND/OR DISCOVERED BY: Henri Lindberg of Louhi Networks.
ORIGINAL ADVISORY: http://www.louhi.fi/advisory/zyxel_070810.txt
About: This Advisory was delivered by Secunia as a free service to help everybody keeping their systems up to date against the latest vulnerabilities.
Subscribe: http://secunia.com/secunia_security_advisories/
Definitions: (Criticality, Where etc.) http://secunia.com/about_secunia_advisories/
Please Note: Secunia recommends that you verify all advisories you receive by clicking the link. Secunia NEVER sends attached files with advisories. Secunia does not advise people to install third party patches, only use those supplied by the vendor.
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Nomenclature
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