Zyxel GS1900 Patch Falls Short: Zero-Day Still Grants Root Access on Switches
RedSide Security November 05, 2026 Vulnerability 6 views
Researchers at Binarly found that Zyxel's earlier fix for an actively exploited GS1900 switch flaw did not stop the attack, which grants unauthenticated root command execution. New firmware for ten models finally closes the hole.
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