CVE-2023-28769 CRITICAL

CVE-2023-28769

Vendor Zyxel
Product DX5401-B0 firmware
Weakness CWE-120
Published April 27, 2023
Last update January 31, 2025

CVSS base score

9.8/10
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Confidentiality High
Integrity High

CVSS vector

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

What the vulnerability does

01Description

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

Key dates

02Disclosure timeline

April 27, 2023 CVE published
January 31, 2025 Record updated