Zyxel VMG3927-B50B

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.

Published: 2025-07-16T07:11:02.974Z
Updated: 2026-02-26T17:50:32.365Z

An uncontrolled resource consumption vulnerability in the web server of Zyxel DX3301-T0 firmware version 5.50(ABVY.6.3)C0 and earlier could allow an attacker to perform Slowloris‑style denial‑of‑service (DoS) attacks. Such attacks may temporarily block legitimate HTTP requests and partially disrupt access to the web management interface, while other networking services remain unaffected.

Published: 2025-11-18T01:19:47.163Z
Updated: 2025-11-18T16:35:31.932Z

A post-authentication command injection vulnerability in the "host" parameter of the diagnostic function in Zyxel VMG4005-B50A firmware versions through V5.15(ABQA.2.2)C0 could allow an authenticated attacker with administrator privileges to execute operating system (OS) commands on a vulnerable device.

Published: 2024-12-03T01:33:47.398Z
Updated: 2024-12-06T04:55:23.779Z

A buffer overflow vulnerability in the packet parser of the third-party library "libclinkc" in Zyxel VMG8825-T50K firmware versions through V5.50(ABOM.8.4)C0 could allow an attacker to cause a temporary denial of service (DoS) condition against the web management interface by sending a crafted HTTP POST request to a vulnerable device.

Published: 2024-12-03T01:15:46.610Z
Updated: 2024-12-03T16:31:58.508Z

A potential buffer overflow vulnerability was identified in some internal functions of Zyxel VMG3312-T20A firmware version 5.30(ABFX.5)C0, which could be exploited by a local authenticated attacker to cause a denial of service.

Published: 2022-04-11T12:05:11.000Z
Updated: 2024-08-03T05:03:32.637Z