CVE-2023-22923

MEDIUM

Zyxel NBG-418N v2 Firmware < V1.00(AARP.14)C0 - Authenticated Denial of Service via Format String Vulnerability

Title source: llm

Description

A format string vulnerability in a binary of the Zyxel NBG-418N v2 firmware versions prior to V1.00(AARP.14)C0 could allow a remote authenticated attacker to cause denial-of-service (DoS) conditions on an affected device.

References (1)

Core 1

Core References

Patch, Vendor Advisory

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

Scores

CVSS v3 6.5

EPSS 0.0079

EPSS Percentile 51.2%

Attack Vector NETWORK

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

CISA SSVC

Vulnrichment

Exploitation none

Automatable no

Technical Impact partial

Details

CWE

CWE-134

Status published

Products (1)

zyxel/nbg-418n_firmware < 1.00\(aarp.13\)c0

Published May 01, 2023

Tracked Since Feb 18, 2026