What is CVE-2026-76943?

CVE-2026-76943 is a critical-severity vulnerability in Xiiaozet Lk100w, classified under Authentication Bypass Using an Alternate Path or Channel. CVSS score: 9.8/10. Published 2026-08-28.

How severe is CVE-2026-76943?

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

Vulnerability in Xiiaozet Lk100w

CVE-2026-76943

Xiiaozet LK100Wt contains an authentication weakness within an administrative service that may allow an attacker to bypass intended access controls and obtain command execution capabilities. Successful exploitation could allow unauthorized interaction with privileged functionality and may lead to complete device compromise.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Xiiaozet Lk100w

Weakness classification (CWE)

CWE-288 — Authentication Bypass Using an Alternate Path or Channel

References

ics-cert@hq.dhs.gov
ics-cert@hq.dhs.gov

Frequently asked questions

What is CVE-2026-76943?: CVE-2026-76943 is a critical-severity vulnerability in Xiiaozet Lk100w, classified under Authentication Bypass Using an Alternate Path or Channel. CVSS score: 9.8/10. Published 2026-08-28.
How severe is CVE-2026-76943?: Critical severity. CVSS v3 base score is 9.8 out of 10.