The U.S. Cybersecurity and Infrastructure Security Agency (CISA) has included a high-severity vulnerability affecting Zyxel GS1900 Series switches in its Known Exploited Vulnerabilities (KEV) Catalog. This warning highlights that the flaw, tracked as CVE-2026-7273, has been exploited in the wild. The vulnerability stems from a stack-based buffer overflow in the device’s CGI program. CISA added […]

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