CVE-2025-7673

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

VulnCheck KEV: CVE-2025-7673

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

VulnCheck KEV: CVE-2023-28769

The buffer overflow vulnerability in the library “libclinkc.so” of the web server “zhttpd” in Zyxel DX5401-B0 firmware versions prior to V5.17ABYO.1C0 could allow a remote unauthenticated attacker to execute some OS commands or to cause denial-of-service DoS conditions on a vulnerable device...

The vulnerability of the zhttpd component in the libclinkc.so library of the ZyXEL DX5401-B0 router’s software allows a malicious actor to execute certain operating system commands remotely.

The vulnerability of the zhttpd component in the libclinkc.so library of the ZyXEL DX5401-B0 router microprogramming system is related to the possibility of buffer overflow in memory. Exploiting this vulnerability could allow a remote attacker to execute certain commands on the operating system...

CVE-2023-28769

The buffer overflow vulnerability in the library “libclinkc.so” of the web server “zhttpd” in Zyxel DX5401-B0 firmware versions prior to V5.17ABYO.1C0 could allow a remote unauthenticated attacker to execute some OS commands or to cause denial-of-service DoS conditions on a vulnerable device...

PT-2023-2520 · Zyxel · Zyxel Dx5401-B0

Name of the Vulnerable Software and Affected Versions: ZyXEL DX5401-B0 firmware versions prior to V5.17ABYO.1C0 Description: The issue is related to a buffer overflow vulnerability in the libclinkc.so library of the zhttpd web server. This vulnerability could allow a remote unauthenticated attack...

Zyxel DX5401-B0 安全漏洞

The Zyxel DX5401-B0 is a wireless enhancement device from China's Hopkins Zyxel. A security vulnerability exists in the Zyxel DX5401-B0 V5.17ABYO.1C0 firmware version, which originates from a buffer overflow in the zhttpd library libclinkc.so. An attacker can exploit this vulnerability to execute...

Zyxel Unauthenticated LAN Remote Code Execution

This module requires Metasploit: https://metasploit.com/download Current source: https://github.com/rapid7/metasploit-framework require 'openssl' class MetasploitModule 'Zyxel Unauthenticated LAN Remote Code Execution', 'Description' = %q This module exploits a buffer overflow in the zhttpd binar...

Zyxel chained RCE using LFI and weak password derivation algorithm

This module exploits multiple vulnerabilities in the zhttpd binary /bin/zhttpd and zcmd binary /bin/zcmd. It is present on more than 40 Zyxel routers and CPE devices. The remote code execution vulnerability can be exploited by chaining the local file disclosure vulnerability in the zhttpd binary...