CVE-2026-76943 PUBLISHED

Xiiaozet LK100W Authentication Bypass Using an Alternate Path or Channel

Assigner: icscert
Reserved: 25.08.2026 Published: 27.08.2026 Updated: 28.08.2026

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 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS Score: 9.8

Attack Vector	Network	Scope	Unchanged
Attack Complexity	Low	Confidentiality Impact	High
Privileges Required	None	Integrity Impact	High
User Interaction	None	Availability Impact	High

CVSS 3.1

CVSS 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
CVSS Score: 9.3

Exploitability Metrics		Vulnerable System Impact Metrics		Subsequent System Impact Metrics
Attack Vector	Network	Confidentiality	High	Confidentiality	None
Attack Complexity	Low	Integrity	High	Integrity	None
Attack Requirements	None	Availability	High	Availability	None
Privileges Required	None
User Interaction	None

CVSS 4.0

Product Status

Vendor	Xiiaozet
Product	Xiiaozet LK100W
Versions	Default: unaffected affected from 0 to 2.1.240 (excl.) Version 2.1.240 is unaffected

Solutions

Xiiaozet recommends users update to v2.1.240.

Credits

Byron Guernsey of Okachobi, LLC reported this vulnerability to CISA. finder

References

Problem Types

CWE-288 CWE