Zyxel Product Security Update Advisory (CVE-2026-7273)
Zyxel has issued a security update advisory for the GS1900 Series switches. The resolved vulnerability is CVE-2026-7273, a stack-based buffer overflow vulnerability occurring in the CGI program (a program that processes web requests). Affected products are those running the following versions or earlier: GS1900-8: 2.90(AAHH.1)C0 or earlier. GS1900-8HP: 2.90(AAHI.1)C0 or
