CVE-2007-4319: The management interface in ZyNOS firmware 3.62(WK.6) on the Zyxel Zywall 2 device allows remote authentica...

Security readout for executives and security teams

CVE-2007-4319 describes a denial-of-service condition in the Zyxel Zywall 2 management interface running ZyNOS 3.62(WK.6). An authenticated administrator could submit invalid configuration data that causes an infinite reboot loop. The record itself warns the issue may not cross privilege boundaries and may involve CSRF, so the business risk is unclear without local exposure confirmation. Exposure is likely limited to organizations still operating legacy Zyxel Zywall 2 devices with the named ZyNOS firmware and reachable management interfaces. Public-facing or broadly reachable administration surfaces would increase operational risk, but the source bundle does not confirm internet-scale exposure. Prioritize this only if legacy Zywall 2 devices remain in production. It is an availability risk to firewall operations, but the evidence does not show active exploitation, unauthenticated access, or broad affected-product coverage. Mitigation focus: Check Zyxel/vendor guidance for fixed firmware or retirement advice.; Restrict management interface access to trusted administrative networks only.; Disable remote administration if it is not operationally required..

Prepared

Jun 29, 2026, 04:07 UTC (UTC+00:00)

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.