CVE-2026-7273

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

CVE-2026-7273

CVE-2026-7273 affects Zyxel GS1900-48HPv2 devices with firmware up to 2.90(ABTQ.1)C0. The flaw is a stack-based buffer overflow in the CGI program, enabling a LAN-based, unauthenticated attacker to potentially execute OS commands via a crafted HTTP request. Impact is described in the CVE metrics ...

EUVD-2026-37030

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

CVE-2026-7273

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

PT-2026-49603

Name of the Vulnerable Software and Affected Versions Zyxel GS1900-48HPv2 versions prior to 2.90ABTQ.1C0 Description A stack-based buffer overflow exists in the CGI program. This flaw allows an unauthenticated attacker on the local area network LAN to potentially execute operating system commands...