CVE-2025-14299 - CVE House
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Status published High CVE-2025-14299

Improper Content-Length Validation in HTTPS Requests on Tapo C200

Vulnerability Description

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).

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

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Credits & Attribution

The following person or organization is credited with identifying this vulnerability, as recorded in the NVD database:

  • Simone Margaritelli (evilsocket)

References

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Affected Vendor

TP-Link Systems Inc.

View all reports →

Affected Software

Tapo C200 V3
Vulnerable Versions:
0

Timeline

Official Publish: December 20th, 2025
Last Modified: December 22nd, 2025
Added to House: July 22nd, 2026

CVSS Vectors

Weaknesses (CWE)

CWE-770

MITRE ATT&CK TTPs

T1499 Endpoint Denial of Service
Impact
T1498 Network Denial of Service
Impact
T1190 Exploit Public-Facing Application
Initial Access
T1562 Impair Defenses
Defense Evasion
T1046 Network Service Discovery
Discovery