HIGHCVSS 8.8KNOWN EXPLOITED

CVE-2026-7273

CVE-2026-7273 updated by NVD

Published: 2026-09-21
Modified: 2026-11-04
Sources: cisa-kev, nvd

Summary

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.

References

https://nvd.nist.gov/vuln/detail/CVE-2026-7273

Includes data from the CISA Known Exploited Vulnerabilities catalog.

Includes data from the National Vulnerability Database (NIST). NVD data is in the public domain; this page is not endorsed by NIST.

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