Goal Reached Thanks to every supporter — we hit 100%!

Goal: 1000 CNY · Raised: 1336 CNY

100%
Buy Us a Coffee

CVE-2026-78239— Xiiaozet LK100W Missing Authentication for Critical Function

Quick assessment

Affected
Xiiaozet Xiiaozet LK100W
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Xiiaozet LK100W 存在一个关键管理功能，该功能可在无需身份验证的情况下被调用，从而允许远程攻击者启用本应受限制的管理服务。成功利用该漏洞可能导致未授权的访问权限被获得。

CVSS 9.8 · Critical EPSS 0.55% · P44

Affected Version Matrix 2

VendorProduct Version RangeStatus
Xiiaozet Xiiaozet LK100W < 2.1.240 affected
2.1.240 unaffected
Get alerts for future matching vulnerabilities Log in to subscribe

I. Basic Information for CVE-2026-78239

Vulnerability Information
Have questions about the vulnerability? See if Shenlong's analysis helps!
View Shenlong Deep Dive ↗

Although we use advanced large model technology, its output may still contain inaccurate or outdated information.Shenlong tries to ensure data accuracy, but please verify and judge based on the actual situation.

Vulnerability Title
Xiiaozet LK100W Missing Authentication for Critical Function
Source: CVE Program / CVE List V5
Vulnerability 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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
关键功能的认证机制缺失
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
Xiiaozet Xiiaozet LK100W 0 ~ 2.1.240 -

II. Public POCs for CVE-2026-78239

# POC Description Source Link Shenlong Link
AI-Generated POC Premium

No public POC found.

Login to generate AI POC

III. Intelligence Information for CVE-2026-78239

请登录查看更多情报信息。

Patches & Fixes for CVE-2026-78239 (1)

Vendor Advisories for CVE-2026-78239 (1)

Same Patch Batch · Xiiaozet · 2026-08-27 · 3 CVEs total

CVE-2026-76943 9.8 CRITICAL Xiiaozet LK100W Authentication Bypass Using an Alternate Path or Channel
CVE-2026-78037 8.8 HIGH Xiiaozet LK100W OS Command Injection

IV. Related Vulnerabilities

Same product: Xiiaozet LK100W
Same vendor: Xiiaozet
Same weakness: CWE-306

V. Comments for CVE-2026-78239

No comments yet

Leave a comment