CVE-2026-7273

CVSS Score & Metrics

Base Score

8.8 / 10

Vector String

                                        CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H                                    

Vulnerability Description

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.

Vulnerability Details

Published Date

June 16, 2026

Last Modified

June 16, 2026

CWE ID

CWE-121

Source

NVD

External References

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

CVSS Score & Metrics

Vulnerability Description

Vulnerability Details

External References

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