Vulnerability in N/a

CVE-2026-30704

The WiFi Extender WDR201A (HW V2.1, FW LFMZX28040922V1.02) exposes an unprotected UART interface through accessible hardware pads on the PCB

EPSS: 0.003 (23.0th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.1 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H.

Affected products

N/a — versions n/a

Weakness classification (CWE)

CWE-912 — Hidden Functionality

References

Frequently asked questions

What is CVE-2026-30704?: CVE-2026-30704 is a critical-severity vulnerability in N/a, classified under Hidden Functionality. CVSS score: 9.1/10. Published 2026-03-18.
How severe is CVE-2026-30704?: Critical severity. CVSS v3 base score is 9.1 out of 10.