CVE-2024-11253

HIGH

Zyxel DSL/ONT/Extender Firmware < 5.50(ABOM.8.5)C0 - Authenticated OS Command Injection via DNSServer Parameter

Title source: llm

Description

A post-authentication command injection vulnerability in the "DNSServer” parameter of the diagnostic function in the Zyxel VMG8825-T50K firmware version V5.50(ABOM.8.5)C0 and earlier could allow an authenticated attacker with administrator privileges to execute operating system (OS) commands on a vulnerable device.

References (1)

Core 1

Core References

Vendor Advisory vendor-advisory

https://www.zyxel.com/global/en/support/security-advisories/zyxel-security-advisory-for-post-authentication-command-injection-vulnerabilities-in-certain-dsl-ethernet-cpe-fiber-ont-and-wifi-extender-devices-03-11-2025

Scores

CVSS v3 7.2

EPSS 0.0034

EPSS Percentile 56.8%

Attack Vector NETWORK

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

CISA SSVC

Vulnrichment

Exploitation none

Automatable no

Technical Impact total

Details

CWE

CWE-78

Status published

Products (6)

zyxel/dm4200-b0_firmware < 5.17\(acbs.1\)c0

zyxel/emg5723-t50k_firmware < 5.50\(abom.8.5\)c0

zyxel/vmg3927-t50k_firmware < 5.50\(abom.8.5\)c0

zyxel/vmg4005-b50a_firmware < 5.15\(abqa.2.3\)c0

zyxel/vmg4005-b60a_firmware < 5.15\(abqa.2.3\)c0

zyxel/vmg8825-t50k_firmware < 5.50\(abom.8.5\)c0

Published Mar 11, 2025

Tracked Since Feb 18, 2026