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.

INFO

Published Date :

2025-07-16T07:11:02.974Z

Last Modified :

2026-02-26T17:50:32.365Z

Source :

Zyxel
AFFECTED PRODUCTS

The following products are affected by CVE-2025-7673 vulnerability.

Vendors Products
Zyxel
  • Emg3525-t50b
  • Emg3525-t50b Firmware
  • Emg5523-t50b
  • Emg5523-t50b Firmware
  • Emg5723-t50k
  • Emg5723-t50k Firmware
  • Emg6726-b10a
  • Emg6726-b10a Firmware
  • Ex3510-b0
  • Ex3510-b0 Firmware
  • Ex5510-b0
  • Ex5510-b0 Firmware
  • Vmg1312-t20b
  • Vmg1312-t20b Firmware
  • Vmg3625-t50b
  • Vmg3625-t50b Firmware
  • Vmg3925-b10b
  • Vmg3925-b10b Firmware
  • Vmg3925-b10c
  • Vmg3925-b10c Firmware
  • Vmg3927-b50a
  • Vmg3927-b50a Firmware
  • Vmg3927-b50b
  • Vmg3927-b50b Firmware
  • Vmg3927-b60a
  • Vmg3927-b60a Firmware
  • Vmg3927-t50k
  • Vmg3927-t50k Firmware
  • Vmg4005-b50b
  • Vmg4005-b50b Firmware
  • Vmg4927-b50a
  • Vmg4927-b50a Firmware
  • Vmg8623-t50b
  • Vmg8623-t50b Firmware
  • Vmg8825-b50a
  • Vmg8825-b50a Firmware
  • Vmg8825-b60a
  • Vmg8825-b60a Firmware
  • Vmg8825-bx0b
  • Vmg8825-bx0b Firmware
  • Vmg8825-t50k
  • Vmg8825-t50k Firmware
  • Vmg8924-b10d
  • Vmg8924-b10d Firmware
  • Xmg3927-b50a
  • Xmg3927-b50a Firmware
  • Xmg8825-b50a
  • Xmg8825-b50a Firmware
REFERENCES

Here, you will find a curated list of external links that provide in-depth information to CVE-2025-7673.

CVSS Vulnerability Scoring System

Detailed values of each vector for above chart.
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality Impact
Integrity Impact
Availability Impact