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.
Correlated Federal Court Cases & Exploitation Context (0)
No federal court indictment in the current archive directly cites CVE-2026-7273. This record tracks its addition to the CISA Known Exploited Vulnerabilities (KEV) catalog on 2026-09-21.
Associated Government Advisories
Tracked under CISA Known Exploited Vulnerabilities Binding Operational Directive 22-01 for federal civilian agency remediation.