CVE-2023-33009: Zyxel Multiple Firewalls Buffer Overflow Vulnerability.
Zyxel Multiple Firewalls Buffer Overflow Vulnerability. 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.
- CISA KEV-listed (remediation due 2023-06-26)
- EPSS 5.6% (90.5% percentile)