GS1900 series
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Security timeline
- Zero-day reported by CISA AlertsPatched Zyxel GS1900 switches remain open to an exploited flaw, Binarly finds
Recent news
Patched Zyxel GS1900 switches remain open to an exploited flaw, Binarly finds
Binarly found that Zyxel GS1900 series switches patched for CVE-2026-7273 remain vulnerable to an in-the-wild exploit. The exploit relies on a separate bug, CVE-2026-107441, which the CVE-2026-7273 patch does not fix. Zyxel's June 2026 advisory covered CVE-2026-7273, a stack-based buffer overflow in a CGI program.