CVE-2023-33010

Published May 24, 2023

Last updated a year ago

Overview

Description
A buffer overflow vulnerability in the ID processing function in Zyxel ATP series firmware versions 4.32 through 5.36 Patch 1, USG FLEX series firmware versions 4.50 through 5.36 Patch 1, USG FLEX 50(W) firmware versions 4.25 through 5.36 Patch 1, USG20(W)-VPN firmware versions 4.25 through 5.36 Patch 1, VPN series firmware versions 4.30 through 5.36 Patch 1, ZyWALL/USG series firmware versions 4.25 through 4.73 Patch 1, could allow an unauthenticated attacker to cause denial-of-service (DoS) conditions and even a remote code execution on an affected device.
Source
security@zyxel.com.tw
NVD status
Analyzed

Risk scores

CVSS 3.1

Type
Primary
Base score
9.8
Impact score
5.9
Exploitability score
3.9
Vector string
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Severity
CRITICAL

Known exploits

Data from CISA

Vulnerability name
Zyxel Multiple Firewalls Buffer Overflow Vulnerability
Exploit added on
Jun 5, 2023
Exploit action due
Jun 26, 2023
Required action
Apply updates per vendor instructions.

Weaknesses

nvd@nist.gov
CWE-120
security@zyxel.com.tw
CWE-120

Social media

Hype score
Not currently trending

Configurations