CVE-2020-12266

HIGH
7.5
CVSS Score
Published: April 27, 2020 at 02:33 PM UTC
Updated: June 17, 2026 at 02:51 AM UTC
30 products affected across 1 vendorWN530H4 FirmwareWN535G3 FirmwareWN533A8 Firmware

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Severity
HIGH7.5
Exploit prediction
EPSS 2%

Description

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

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

All versions
wavlink-jetstream-ac3000 (same device)
All versions
wavlink-jetstream-erac3000 (same device)
wavlink-wl-wn530hg4 (same device)
wavlink-wl-wn575a3 (same device)
wavlink-wl-wn579g3 (same device)
All versions
wavlink-wn531a6 (same device)
All versions
wavlink-wn531g3 (same device)
All versions
wavlink-wn533a8 (same device)
All versions
wavlink-wn535g3 (same device)

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

References (5)

x_refsource_MISCNot ApplicableThird Party Advisory
https://github.com/Roni-Carta/nyra
x_refsource_MISCVendor Advisory
https://www.wavlink.com

CVSS

Attack Vector
NETWORK
Complexity
LOW
Privileges
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
NONE
Availability
NONE
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-306

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