All CVE records
CVE-2023-33009 — Zyxel Multiple Firewalls Buffer Overflow Vulnerability
CISA KEV listed
Added June 5, 2023 Remediate by June 26, 2023
Description
Zyxel ATP, USG FLEX, USG FLEX 50(W), USG20(W)-VPN, VPN, and ZyWALL/USG firewalls contain a buffer overflow vulnerability in the notification function that could allow an unauthenticated attacker to cause denial-of-service (DoS) conditions and remote code execution on an affected device.
Required action
Apply updates per vendor instructions.
Notes
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-2023-33009
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