Critical 9.8Published Aug 27, 2026

CVE-2026-76943Xiiaozet LK100W Authentication Bypass Using an Alternate Path or Channel

Updated under an hour ago (2026-10-19 07:10 UTC)

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It affects Xiiaozet LK100W. Add what you run to find out whether that includes you.

No exploitation reported and no EPSS estimate yet.

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Every CVE for Xiiaozet LK100W

Exploited in the last 30 days

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: 9.8 CRITICAL (v3.1, CNA)CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness (CWE): CWE-288
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: icscert
NVD analysis: Deferred
Record last updated: Aug 28, 2026
First seen by InfoSec Signals: Oct 9, 2026

Affected products

Affected products

Xiiaozet Xiiaozet LK100W xiiaozet:lk100w (from the name)	before 2.1.240; 2.1.240 not affected	CNA record

References

https://www.cisa.gov/news-events/ics-advisories/icsa-26-239-01
https://github.com/cisagov/CSAF/blob/develop/csaf_files/OT/white/2026/icsa-26-239-01.json

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.