CVE-2026-7273

취약점 유형

A stack-based buffer overflow vulnerability in the CGI program of Zyxel GS1900-48HPv2 firmware versions through 2.90(ABTQ.1)C0 could allow a LAN-based, unauthenticated attacker to exploit the flaw and potentially execute OS commands via a crafted HTTP request.

영향받는 제품

• zyxel gs1900-8_firmware
• zyxel gs1900-8
• zyxel gs1900-8hp_firmware
• zyxel gs1900-8hp
• zyxel gs1900-10hp_firmware
• zyxel gs1900-10hp
• zyxel gs1900-16_firmware
• zyxel gs1900-16

참고 자료

• https://www.zyxel.com/global/en/support/security-advisories/zyxel-security-advisory-for-stack-based-buffer-overflow-vulnerability-in-gs1900-series-switches-06-16-2026
• https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-7273
• https://www.greynoise.io/blog/open-season-on-kapibala-attacker-steals-government-records-wordpress-exploitation