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CVE-2026-7273

CRITICAL CISA
CVSS Score
N/A
Severity
CRITICAL
Source
CISA
Published
Sep 21, 2026
Description

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.

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