Integer overflow in TP-Link Tapo C200
CVE-2025-14299
The HTTPS server on Tapo C200 V3 does not properly validate the Content-Length header, which can lead to an integer overflow. An unauthenticated attacker on the same local network segment can send crafted HTTPS requests to trigger excessive memory allocation, causing the device to crash and resulting in denial-of-service (DoS).
EPSS: 0.002 (15.8th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/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 C200 V3 — versions 0
Weakness classification (CWE)
References
- f23511db-6c3e-4e32-a477-6aa17d310630 (Release Notes)
- f23511db-6c3e-4e32-a477-6aa17d310630 (Vendor Advisory)
Frequently asked questions
- What is CVE-2025-14299?
- CVE-2025-14299 is a medium-severity vulnerability in TP-Link Tapo C200, classified under Allocation of Resources Without Limits or Throttling. CVSS score: 6.5/10. Published 2025-12-20.
- How severe is CVE-2025-14299?
- Medium severity. CVSS v3 base score is 6.5 out of 10.