KNOWN EXPLOITED VULNERABILITY DOSSIER

CVE-2026-7273

Zyxel · GS1900 Series Switches

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.

CISA KEV Added: 2026-09-21
Severity Rating: High (CVSS 9)
Legal Indictments: 0 Cases
Catalog Status: Active KEV Mandate

Correlated Federal Court Cases & Indictments (0)

No specific federal indictment in our landmark database directly links to this CVE yet. This vulnerability is monitored under CISA's Known Exploited Vulnerabilities catalog.

Associated Government Advisories

Direct advisory cross-references are being continuously mapped from CISA and allied CERT publications.

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