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Back to active CVEs
Critical · CVSS 9.8CVE-2026-78239

Xiiaozet LK100W Missing Authentication for Critical FunctionCVE-2026-78239

Answer in brief

CVE-2026-78239 records a Critical severity (CVSS 9.8) vulnerability in Xiiaozet LK100W Missing Authentication for Critical Function. The current sources do not mark it as known exploited. The current feed maps Xiiaozet/Xiiaozet LK100W (generic). Check affected ranges and fixed versions before updating.

Analysis pending evidence review

HOL Guard separates source facts from reviewed analysis. See the methodology.

Published Aug 27, 2026Updated Aug 31, 2026Source checked Oct 12, 2026First seen by HOL Aug 27, 2026Material review Aug 31, 2026
Upstream Advisory

Key facts

Risk
Critical · CVSS 9.8
Exploitation
Not marked as known exploited
Affected software
1 mapped package or product
Fix availability
Available

Why this deserves its current priority

CVSS is 9.8. The current sources do not mark it as known exploited. Treat this as a source-backed prioritization signal, not a statement about your environment.

Analysis status

Analysis pending evidence review

Factual feed record only; HOL analysis is not approved for indexing. Read the methodology.

Affected scope and exposure questions

The current feed maps Xiiaozet/Xiiaozet LK100W (generic). Check affected ranges and fixed versions before updating.

Mapped affected packages and fixed versions
PackageAffected rangeFixed version
Xiiaozet/Xiiaozet LK100Wgeneric>=0 <2.1.2402.1.240

Recommended response

  1. 1Check inventory. Check lockfiles and deployed manifests for Xiiaozet/Xiiaozet LK100W.
  2. 2Review the reported fix. Source-reported solution: Xiiaozet recommends users update to v2.1.240.

Evidence timeline and material changes

  1. Published upstream

    Aug 27, 2026

    Evidence: source:cvelist:source_dates:source-dates:record

  2. Source modified

    Aug 31, 2026

    Evidence: source:cvelist:source_dates:source-dates:record

  3. First seen by HOL

    Aug 27, 2026

Sources and claim methodology

  • GitHub security advisorygithub.com
  • CISA Known Exploited Vulnerabilities catalogcisa.gov
Upstream source 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.

Quoted source text, attributed separately from HOL analysis.

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Record context

Vulnerability class
Missing Auth
EPSS
Not reported
CWE IDs
CWE-306
Source
CVE List V5
Source checked
Oct 12, 2026
References
2 linked sources
Open source record