CVE-2023-33009
Zyxel Multiple Firewalls Buffer Overflow Vulnerability
⚠ KEVEPSS 28.1%
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.
How to fix CVE-2023-33009
No package mapping is available — consult the references below for vendor-specific guidance.
Is CVE-2023-33009 being exploited?
Yes — CVE-2023-33009 is on the CISA Known Exploited Vulnerabilities (KEV) catalog. Patch immediately.
Affected packages (0)
No package mapping in OSV.