Is CVE-2026-78239 being exploited?

No public exploit is currently tracked.

How severe is CVE-2026-78239?

CVE-2026-78239 has a CVSS v3 severity of CRITICAL (9.8).

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CVE-2026-78239

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.