Known Exploited Vulnerabilities · CISA KEV Catalog

CVE-2026-7273: Zyxel GS1900 Series Switches Stack-Based Buffer Overflow Vulnerability

Zyxel GS1900 series switches contain a stack-based buffer overflow vulnerability in the CGI program which could allow a LAN-based, unauthenticated attacker to exploit the flaw and potentially execute OS commands via a crafted HTTP request.

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Vulnerabilities & Patching
Mentions
CVE-2026-7273Zyxel
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