CISA Known Exploited Vulnerability

This vulnerability is actively exploited in the wild and listed in the CISA Known Exploited Vulnerabilities catalog.

Remediation Deadline: Jun 26, 2023

High

CISA KEV

CVE-2023-33010

Zyxel—Multiple Firewalls

Zyxel ATP, USG FLEX, USG FLEX 50(W), USG20(W)-VPN, VPN, and ZyWALL/USG firewalls contain a buffer overflow vulnerability in the ID processing function that could allow an unauthenticated attacker to cause denial-of-service (DoS) conditions and remote code execution on an affected device.

Required Action

https://www.zyxel.com/global/en/support/security-advisories/zyxel-security-advisory-for-multiple-buffer-overflow-vulnerabilities-of-firewalls; https://nvd.nist.gov/vuln/detail/CVE-2023-33010

Vulnerability Overview

Severity: High
CISA KEV: Yes
Ransomware: Unknown
Published: Jun 5, 2023
KEV Added: Jun 5, 2023
Due Date: Jun 26, 2023
Related Articles: 0

Vendor

Zyxel

Multiple Firewalls