CVE-2025-7673

CriticalCVSS 9.8/10Last modified Jun 17, 2026

Description

A buffer overflow vulnerability in the URL parser of the zhttpd web server in Zyxel VMG8825-T50K firmware versions prior to V5.50(ABOM.5)C0 could allow an unauthenticated attacker to cause denial-of-service (DoS) conditions and potentially execute arbitrary code by sending a specially crafted HTTP request.

Metrics

CVSS 3.1 9.8/10CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Weakness enumeration

Affected software

No affected versions have been published.

Timeline

Published
Jul 16, 2025
Last modified
Jun 17, 2026
NVD status
Analyzed

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CVE-2025-7673: Critical severity, CVSS 9.8 | Vulnix