PT-2026-49603 · Zyxel · Gs1900-10Hp Firmware+9

Published

2026-06-16

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Updated

2026-06-16

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CVE-2026-7273

CVSS v3.1

8.8

High

VectorAV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
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.

Fix

Stack Overflow

Weakness Enumeration

Related Identifiers

CVE-2026-7273

Affected Products

Gs1900-10Hp Firmware
Gs1900-16 Firmware
Gs1900-24 Firmware
Gs1900-24E Firmware
Gs1900-24Ep Firmware
Gs1900-24Hpv2 Firmware
Gs1900-48 Firmware
Gs1900-48Hpv2 Firmware
Gs1900-8 Firmware
Gs1900-8Hp Firmware