CVE-2023-22922

HIGH

Zyxel Nbg-418n Firmware < 1.00\(aarp.13\)c0 - Buffer Overflow

Title source: rule

Description

A buffer overflow vulnerability in the Zyxel NBG-418N v2 firmware versions prior to V1.00(AARP.14)C0 could allow a remote unauthenticated attacker to cause DoS conditions by sending crafted packets if Telnet is enabled on a vulnerable 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 7.5

EPSS 0.0060

EPSS Percentile 69.5%

Attack Vector NETWORK

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

CISA SSVC

Vulnrichment

Exploitation none

Automatable yes

Technical Impact partial

Details

CWE

CWE-120

Status published

Products (1)

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

Published May 01, 2023

Tracked Since Feb 18, 2026