What is CVE-2019-7163?

CVE-2019-7163 is a critical-severity vulnerability in Tcl Alcatel Linkzone, classified under Improper Authentication. CVSS score: 9.8/10. Published 2019-08-02.

How severe is CVE-2019-7163?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Auth bypass in Tcl Alcatel Linkzone

CVE-2019-7163

The web interface of Alcatel LINKZONE MW40-V-V1.0 MW40_LU_02.00_02 devices is vulnerable to an authentication bypass that allows an unauthenticated user to have access to the web interface without knowing the administrator's password.

Vulnerability class: Broken Authentication

Published 2019-08-02 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.021 (81.4th percentile), scored 2026-10-07.

Low probability of exploitation in the next 30 days, but still tracked. 81st percentile — 81.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.021 · newest: 0.021 · change: 0.000

Affected products

Tcl Alcatel Linkzone
Tcl Alcatel Linkzone Firmware — versions mw40-v-v1.0_mw40_lu_02.00_02

Weakness classification (CWE)

CWE-287 — Improper Authentication

References

rhaidiz.net/2019/02/27/dribble-router-vulns-dlink-alcatel-cve-2019-6969-cve-201… (Exploit, Third Party Advisory)

Frequently asked questions

What is CVE-2019-7163?: CVE-2019-7163 is a critical-severity vulnerability in Tcl Alcatel Linkzone, classified under Improper Authentication. CVSS score: 9.8/10. Published 2019-08-02.
How severe is CVE-2019-7163?: Critical severity. CVSS v3 base score is 9.8 out of 10.