Auth bypass in TP-Link Tapo C200
CVE-2025-14300
The HTTPS service on Tapo C200 v3, v5, C425 v1.2 and C100 v5 exposes a connectAP interface without proper authentication. An unauthenticated attacker on the same local network segment can exploit this to modify the device’s Wi-Fi configuration, resulting in loss of connectivity and denial-of-service (DoS).
Vulnerability class: Broken Authentication
EPSS: 0.004 (30.3th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 8.1 (High). Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H.
Affected products
- Tp-link Tapo_c200 — versions 3
- Tp-link Tapo_c200_firmware — versions 1.3.3, 1.3.4, 1.3.5
- Tp Link Systems Inc. Tapo C100 V5 — versions 0
- Tp Link Systems Inc. Tapo C425 V1.2 — versions 0
- Tp-link Systems Inc. Tapo C200 — versions 0
- Tp-link Systems Inc. Tapo C200 V3 — versions 0
Weakness classification (CWE)
References
- f23511db-6c3e-4e32-a477-6aa17d310630 (Release Notes, patch)
- f23511db-6c3e-4e32-a477-6aa17d310630 (vendor-advisory, Vendor Advisory)
- f23511db-6c3e-4e32-a477-6aa17d310630 (patch)
- f23511db-6c3e-4e32-a477-6aa17d310630 (patch)
- f23511db-6c3e-4e32-a477-6aa17d310630 (patch)
- f23511db-6c3e-4e32-a477-6aa17d310630 (patch)
- f23511db-6c3e-4e32-a477-6aa17d310630 (patch)
- f23511db-6c3e-4e32-a477-6aa17d310630 (patch)
- f23511db-6c3e-4e32-a477-6aa17d310630 (patch)
Frequently asked questions
- What is CVE-2025-14300?
- CVE-2025-14300 is a high-severity vulnerability in TP-Link Tapo C200, classified under Missing Authentication for Critical Function. CVSS score: 8.1/10. Published 2025-12-20.
- How severe is CVE-2025-14300?
- High severity. CVSS v3 base score is 8.1 out of 10.