Auth bypass in Wavlink Jetstream Ac3000
CVE-2020-12266
An issue was discovered where there are multiple externally accessible pages that do not require any sort of authentication, and store system information for internal usage. The devices automatically query these pages to update dashboards and other statistics, but the pages can be accessed externally without any authentication. All the pages follow the naming convention live_(string).shtml. Among the information disclosed is: interface status logs, IP address of the device, MAC address of the device, model and current firmware version, location, all running processes, all interfaces and their statuses, all current DHCP leases and the associated hostnames, all other wireless networks in range of the router, memory statistics, and components of the configuration of the device such as enabled features. Affected devices: Affected devices are: Wavlink WN530HG4, Wavlink WN575A3, Wavlink WN579G3,Wavlink WN531G3, Wavlink WN533A8, Wavlink WN531A6, Wavlink WN551K1, Wavlink WN535G3, Wavlink WN530H4, Wavlink WN57X93, WN572HG3, Wavlink WN578A2, Wavlink WN579G3, Wavlink WN579X3, and Jetstream AC3000/ERAC3000
Vulnerability class: Broken Authentication
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N.
EPSS exploit prediction
EPSS: 0.018 (77.2th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 77th percentile — 77.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.017 · newest: 0.018 · change: +0.000
Affected products
- Wavlink Jetstream Ac3000
- Wavlink Jetstream Ac3000 Firmware
- Wavlink Jetstream Erac3000
- Wavlink Jetstream Erac3000 Firmware
- Wavlink Wl-Wn530hg4
- Wavlink Wl-Wn530hg4 Firmware — versions m30hg4.v5030.191116
- Wavlink Wl-Wn575a3
- Wavlink Wl-Wn575a3 Firmware — versions rpt75a3.v4300.180801
- Wavlink Wl-Wn579g3
- Wavlink Wl-Wn579g3 Firmware — versions m79x3.v5030.180719
Weakness classification (CWE)
Public proof-of-concept exploits
References
- www.wavlink.com (Vendor Advisory)
- github.com/sudo-jtcsec/CVE/blob/master/CVE-2020-12266 (Third Party Advisory)
- github.com/sudo-jtcsec/Nyra (Broken Link)
- github.com/Roni-Carta/nyra (Third Party Advisory, Not Applicable)
- github.com/sudo-jtcsec/CVE/blob/master/CVE-2020-12266-affected_devices (Third Party Advisory)
Frequently asked questions
- What is CVE-2020-12266?
- CVE-2020-12266 is a high-severity vulnerability in Wavlink Jetstream Ac3000, classified under Missing Authentication for Critical Function. CVSS score: 7.5/10. Published 2020-04-27.
- How severe is CVE-2020-12266?
- High severity. CVSS v3 base score is 7.5 out of 10.
- Is CVE-2020-12266 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.