Paper/Archive/CVE-2023-33778

CVE-2023-33778

mitre — Draytek Vigor Routers firmware versions below 3.9.6/4.2.4, Access Points firmware versions below v1.4.0, Switches firmware versions below…

EPSS 0.6%public exploit CVSS 9.8

critical.is priorityof 100

CVSS 9.8 (ADP, NVD agree)9.8 / 10 × 3029.4 Not in CISA KEV+300.0 EPSS percentile 48.4.484 × 209.7 Exploit: SSVC poc+1010.0 SSVC exploitation: poc+100.0

Description · from the CVE record

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

ProductAffectedFixed inSource

n/an/a–CNA

Scores by source

CISA ADP9.8CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

NVD9.8CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

CISA ADPSSVCExploitation: poc · Automatable: yes · Technical impact: total

References

refgist.github.com/Ji4n1ng/6d028709d39458f5ab95b3ea211225ef