Auth bypass in Xiiaozet Lk100w
CVE-2026-78239
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.
Vulnerability class: Broken Authentication
CVSS v3 metric
CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
Affected products
Weakness classification (CWE)
References
Frequently asked questions
- What is CVE-2026-78239?
- CVE-2026-78239 is a critical-severity vulnerability in Xiiaozet Lk100w, classified under Missing Authentication for Critical Function. CVSS score: 9.8/10. Published 2026-08-28.
- How severe is CVE-2026-78239?
- Critical severity. CVSS v3 base score is 9.8 out of 10.