High 7.1Published Dec 19, 2025

CVE-2025-14299Improper Content-Length Validation in HTTPS Requests on Tapo C200

Updated under an hour ago (Oct 27, 2026, 3:10 AM ET)

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It affects TP-Link Systems Inc. Tapo C200 V3 and 1 other product. Add what you run to find out whether that includes you.

No exploitation reported and no EPSS estimate yet.

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Every CVE for TP-Link Systems Inc. Tapo C200 V3

Exploited in the last 30 days

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).

CVSS: 7.1 HIGH (v4.0, CNA)CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
Weakness (CWE): CWE-770
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: TPLink
NVD analysis: Analyzed
Record last updated: Dec 22, 2025
First seen by InfoSec Signals: Oct 9, 2026

Affected products

Affected products

TP-Link Systems Inc. Tapo C200 V3 tp_link_systems:tapo_c200_v3 (from the name)	before C200(US)_V3_1.4.5 Build 251104	CNA record
tp-link tapo_c200_firmware tp-link:tapo_c200_firmware	1.3.3; 1.3.4; 1.3.5; 1.3.7; 1.3.9; 1.3.11; 1.3.13; 1.3.14; and 4 more ranges	NVD

References

References

https://www.tp-link.com/us/support/download/tapo-c200/v3/#Firmware-Release-Notes	release-notes
https://www.tp-link.com/us/support/faq/4849/	vendor-advisory

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.