CVE-2026-78239

CVSS 9.8 (critical) · published 2026-08-28

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.

Weakness: CWE-306

Source: NVD CVE-2026-78239

References

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

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