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Zyxel GS1900 Patch Falls Short: Zero-Day Still Grants Root Access on Switches

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.

Continue reading: Zyxel GS1900 Patch Falls Short: Zero-Day Still Gra…