CVE-2025-14299

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).

CVSS v3.1 Score

6.5

MEDIUM

CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Weakness Type (CWE)

CWE-770 CWE-770

CWE-190 Integer Overflow

Affected Products

Vendor	Product	Versions
tp-link	tapo_c200_firmware	All
tp-link	tapo_c200_firmware	All
tp-link	tapo_c200_firmware	All
tp-link	tapo_c200_firmware	All
tp-link	tapo_c200_firmware	All
tp-link	tapo_c200_firmware	All
tp-link	tapo_c200_firmware	All
tp-link	tapo_c200_firmware	All
tp-link	tapo_c200_firmware	All
tp-link	tapo_c200_firmware	All
tp-link	tapo_c200_firmware	All
tp-link	tapo_c200_firmware	All
tp-link	tapo_c200	All

References

Advisories & Patches

https://www.tp-link.com/us/support/faq/4849/

Other References

https://www.tp-link.com/us/support/download/tapo-c200/v3/#Firmware-Release-Notes

Frequently Asked Questions

What is 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). It has a CVSS v3.1 base score of 6.5 (MEDIUM).

How severe is CVE-2025-14299? +

CVE-2025-14299 has a CVSS v3.1 score of 6.5 out of 10, rated MEDIUM. This is a medium-severity vulnerability that should be remediated as part of regular maintenance.

What products are affected by CVE-2025-14299? +

CVE-2025-14299 affects products from tp-link, specifically: tapo_c200, tapo_c200_firmware. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2025-14299? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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