CVE-2023-33009 - Zyxel Multiple Firewalls Buffer Overflow Vulnerability
Zyxel | Multiple Firewalls
- Date Added:
- 2023-06-05
- Due Date:
- 2023-06-26
- Vulnerability Name
Zyxel Multiple Firewalls Buffer Overflow Vulnerability
- 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.
- Known To Be Used in Ransomware Campaigns?
Unknown
- Action
Apply updates per vendor instructions.
- Additional 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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