cvedb.io
CVE-2023-33778
CRITICAL · CVSS 9.8
EPSS exploitation probability: 0%
Published 2023-06-01T04:15:10.313 · Last modified 2026-06-17T06:02:16.407

Summary

Draytek Vigor Routers firmware versions below 3.9.6/4.2.4, Access Points firmware versions below v1.4.0, Switches firmware versions below 2.6.7, and Myvigor firmware versions below 2.3.2 were discovered to use hardcoded encryption keys which allows attackers to bind any affected device to their own account. Attackers are then able to create WCF and DrayDDNS licenses and synchronize them from the website.

Affected products

draytek — myvigor

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References

This product uses data from the NVD API but is not endorsed or certified by the NVD. Informational only; not professional security advice.