CVE-2022-40602

CRITICAL

Zyxel LTE3301-M209 Firmware < 1.00(ABLG.6)C0 - Unauthenticated Remote Access via Pre-configured Password

Title source: llm

Description

A flaw in the Zyxel LTE3301-M209 firmware verisons prior to V1.00(ABLG.6)C0 could allow a remote attacker to access the device using an improper pre-configured password if the remote administration feature has been enabled by an authenticated administrator.

References (1)

Core 1

Core References

Patch, Vendor Advisory

https://www.zyxel.com/global/en/support/security-advisories/zyxel-security-advisory-for-pre-configured-password-vulnerability-of-lte3301-m209

Scores

CVSS v3 9.8

EPSS 0.0088

EPSS Percentile 75.6%

Attack Vector NETWORK

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

CISA SSVC

Vulnrichment

Exploitation none

Automatable yes

Technical Impact total

Details

CWE

CWE-287 CWE-798

Status published

Products (1)

zyxel/lte3301-m209_firmware < 1.00\(ablg.6\)c0

Published Nov 22, 2022

Tracked Since Feb 18, 2026