CVE-2026-78239

Xiiaozet LK100W Missing Authentication for Critical Function

Published Aug 27, 2026 CVSS 4.0 · 9.3 Critical EPSS < 1% KEV · Not listed
Description
Xiiaozet LK100W exposes a critical management function that can be
invoked without authentication, allowing a remote attacker to enable
administrative services that should be restricted. Successful
exploitation may permit unauthorized access to the device.

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 LK100W exposes a critical management function that can be invoked without authentication, allowing a remote attacker to enable administrative services that should be restricted. Successful exploitation may permit unauthorized access to the device.
Title Xiiaozet LK100W Missing Authentication for Critical Function
Weaknesses CWE-306
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
Aug 31, 2026, 7:18 PM