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).
Published · last modified .
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.
EPSS exploit prediction
EPSS: 0.002 (14.7th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 15th percentile — 14.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.002 · newest: 0.002 · change: -0.000
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.