CVE-2023-33778
What it is
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.
At a glance
- Exploitability
- Can be exploited over the network without logging in. High risk of data exposure, data tampering, service disruption.
- Exploit odds
- 0.6% chance of exploitation in the next 30 days (EPSS).
- Fix
- No patch or advisory is linked yet. Look at mitigations or restrict exposure.
Timeline
- ReservedThe CVE id was reserved by its CNA
- PublishedDisclosed publicly on CVE.org and NVD
- Last updatedMost recent change to the record
Why it ranks here
- Exploited in the wild: no, CISA does not list it.
- Exploit odds: 0.6% in the next 30 days (EPSS).
- Severity: 9.8 CRITICAL (CVSS).
- Fix: none linked yet, which raises it.
Details
- Published
- Last modified
- Exploit probability
- 0.6% · EPSS, next 30 days
- Weakness
- CWE-798 · Hard-coded credentials
- Record status
- Modified
Affected
- Draytek Myvigor < 2.3.2
- Draytek Vigorswitch pq2200xb Firmware < 2.6.7
- Draytek Vigorswitch pq2121x Firmware < 2.6.7
- Draytek Vigorswitch p2540xs Firmware < 2.6.7
- Draytek Vigorswitch p2280x Firmware < 2.6.7
- Draytek Vigorswitch p2100 Firmware < 2.6.7
- Draytek Vigorswitch q2200x Firmware < 2.6.7
- Draytek Vigorswitch q2121x Firmware < 2.6.7
Attack profile CVSS 3.1 · 9.8
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
- Scope
- Unchanged
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Raw vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Is it in your code?
Hand this to your coding agent. It searches your project for the affected products and checks versions. Nothing leaves your machine.
Read https://cve-list.com/agent/cve/CVE-2023-33778.md and follow it. Check whether this project is affected by CVE-2023-33778. Read only. Don't change anything and don't upload my code. Tell me yes, no or not sure, with the file as proof.
