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CVE-2023-33009 is a critical severity vulnerability with a CVSS score of 9.8. Exploits are available; patches have been released and should be applied urgently.
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Lower probability of exploitation
EPSS predicts the probability of exploitation in the next 30 days based on real-world threat data, complementing CVSS severity scores with actual risk assessment.
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.
| Vendor | Product |
|---|---|
| Zyxel | Usg Flex 100 |
| Zyxel | Usg 20w VPN |
| Zyxel | Atp500 Firmware |
| Zyxel | Vpn100 Firmware |
| Zyxel | Atp700 |
| Zyxel | Usg Flex 500 |
| Zyxel | Usg Flex 50w Firmware |
| Zyxel | Vpn50 Firmware |
| Zyxel | Usg Flex 200 Firmware |
| Zyxel | Vpn300 Firmware |
And 36 more...