CVE-2023-22921

Published: May 1, 2023

Modified: Jan 30, 2025

PUBLISHED

CVSS v3.1

7.5

HIGH

Description

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.

Vendor	Product	Versions
Zyxel	NBG-418N v2 firmware	affected `< V1.00(AARP.14)C0`

Weaknesses (CWE)

CWE-79

CVSS v3.1 Details

CVSS v3.1 Vector

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

Attack Vector

Network

Attack Complexity

Low

Privileges Required

High

User Interaction

Required

Scope

Changed

Confidentiality

Low

Integrity

Low

Availability

High

References

https://www.zyxel.com/global/en/support/security-advisories/zyxel-security-advisory-for-multiple-vulnerabilities-in-nbg-418n-v2-home-router

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CVE-2023-22921

Description

Affected Products

Weaknesses (CWE)

CVSS v3.1 Details

References