Threats Tagged 'cve-2023-33009'
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Threats Tagged 'cve-2023-33009'
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0 CVE-2023-33009 is a critical buffer overflow vulnerability in multiple Zyxel firewall and VPN device firmware versions (4.60 through 5.36 Patch 1). It affects Zyxel ATP, USG FLEX, USG20(W)-VPN, VPN series, and ZyWALL/USG series devices. The flaw exists in the notification function and can be exploited remotely without authentication or user interaction. Successful exploitation can lead to denial-of-service or remote code execution, compromising confidentiality, integrity, and availability. No known exploits are currently reported in the wild, but the high CVSS score (9.8) indicates severe risk. European organizations using these Zyxel devices should prioritize patching and implement network-level protections. Countries with significant Zyxel deployments and critical infrastructure reliance on these devices are at higher risk. Join the discussion | CVE Database V5 | 05/24/2023, 00:00:00 UTC Added: 10/21/2025, 19:06:17 UTC |
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