CVE-2023-22921 HIGH

CVE-2023-22921

Vendor Zyxel
Product NBG-418N v2 firmware
Weakness CWE-79 · XSS
Published May 1, 2023
Last update January 30, 2025

CVSS base score

7.5/10
Attack vector Network
Attack complexity Low
Privileges required High
User interaction Required
Confidentiality Low
Integrity Low

CVSS vector

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

What the vulnerability does

01Description

A cross-site scripting (XSS) vulnerability in the Zyxel NBG-418N v2 firmware versions prior to V1.00(AARP.14)C0 could allow a remote authenticated attacker with administrator privileges to store malicious scripts using a web management interface parameter, resulting in denial-of-service (DoS) conditions on an affected device.

Key dates

02Disclosure timeline

May 1, 2023 CVE published
January 30, 2025 Record updated

Related vulnerabilities

04Related CVE