CVE-2026-30702

The WiFi Extender WDR201A (HW V2.1, FW LFMZX28040922V1.02) implements a broken authentication mechanism in its web management interface

Critical · published March 18, 2026

CVSS v3.1
9.8
EPSS
1%
Percentile
53.1
In the wild
Unconfirmed
What it is

The WiFi Extender WDR201A (HW V2.1, FW LFMZX28040922V1.02) implements a broken authentication mechanism in its web management interface. The login page does not properly enforce session validation, allowing attackers to bypass authentication by directly accessing restricted web application endpoints through forced browsing

The record
Technical detail
CVSS v3.1
9.8 · CRITICAL
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.00712 · 53.1th percentile
Published
2026-03-18T00:00Z
EPSS history
Timeline
  • 18 MAR 00:00Z
    The WiFi Extender WDR201A (HW V2.1, FW LFMZX28040922V1.02) implements a broken authentication mechanism in its web management interface
    cvelistv5