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CVE-2020-10823 is a critical severity vulnerability with a CVSS score of 9.8. Active exploits exist with no official patch available - immediate mitigation is required.
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Moderate 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.
A stack-based buffer overflow in /cgi-bin/activate.cgi through var parameter on Draytek Vigor3900, Vigor2960, and Vigor300B devices before 1.5.1 allows remote attackers to achieve code execution via a remote HTTP request (issue 1 of 3).
| Vendor | Product |
|---|---|
| Draytek | Vigor2960 |
| Draytek | Vigor2960 Firmware |
| Draytek | Vigor300b |
| Draytek | Vigor3900 |
| Draytek | Vigor300b Firmware |
| Draytek | Vigor3900 Firmware |