What is CVE-2025-8627?

CVE-2025-8627 is a high-severity vulnerability in TP-Link Kp303, classified under Missing Authentication for Critical Function. CVSS score: 8.8/10. Published 2025-08-25.

How severe is CVE-2025-8627?

High severity. CVSS v3 base score is 8.8 out of 10.

Auth bypass in TP-Link Kp303

CVE-2025-8627

The TP-Link KP303 Smartplug can be issued unauthenticated protocol commands that may cause unintended power-off condition and potential information leak. This issue affects TP-Link KP303 (US) Smartplug: before 1.1.0.

Vulnerability class: Broken Authentication

EPSS: 0.003 (24.1th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Tp-link Kp303 — versions 2.0
Tp-link Kp303_firmware
Tp-link Systems Inc. Kp303 (Us) Smartplug — versions 0

Weakness classification (CWE)

CWE-306 — Missing Authentication for Critical Function

References

f23511db-6c3e-4e32-a477-6aa17d310630 (vendor-advisory, Vendor Advisory)

Frequently asked questions

What is CVE-2025-8627?: CVE-2025-8627 is a high-severity vulnerability in TP-Link Kp303, classified under Missing Authentication for Critical Function. CVSS score: 8.8/10. Published 2025-08-25.
How severe is CVE-2025-8627?: High severity. CVSS v3 base score is 8.8 out of 10.