CVE-2026-76943

Xiiaozet LK100W Authentication Bypass Using an Alternate Path or Channel

Published Aug 27, 2026 CVSS 4.0 · 9.3 Critical EPSS 1.0% KEV · Not listed
Description
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.

Remediation

Vendor Solution

Xiiaozet recommends users update to v2.1.240.

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
First Time appeared Xiiaozet
Xiiaozet xiiaozet Lk100w
Vendors & Products Xiiaozet
Xiiaozet xiiaozet Lk100w
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Type Values Removed Values Added
Description 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.
Title Xiiaozet LK100W Authentication Bypass Using an Alternate Path or Channel
Weaknesses CWE-288
References
Metrics cvssV3_1

{'score': 9.8, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H'}

cvssV4_0

{'score': 9.3, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
icscert
Published
Updated
Aug 28, 2026, 2:13 PM
Reserved
Aug 25, 2026, 3:37 PM
Status
Deferred
Published
Aug 28, 2026, 12:18 AM
Modified
Sep 3, 2026, 5:45 PM