CVE-2025-14300: tapo c200 Missing Auth — Fix

Description

The HTTPS service on Tapo C200 V3 exposes a connectAP interface without proper authentication. An unauthenticated attacker on the same local network segment can exploit this to modify the device’s Wi-Fi configuration, resulting in loss of connectivity and denial-of-service (DoS).

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CVSS v3.1 Score

8.1

HIGH

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

Weakness Type (CWE)

CWE-306 Missing Authentication

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/en/support/download/tapo-c100/v5/#Firmware-Release-Notes https://www.tp-link.com/en/support/download/tapo-c200/v3/#Firmware-Release-Notes https://www.tp-link.com/us/support/download/tapo-c100/v5/#Firmware-Release-Notes https://www.tp-link.com/us/support/download/tapo-c200/v3/#Firmware-Release-Notes

Frequently Asked Questions

What is CVE-2025-14300? +

The HTTPS service on Tapo C200 V3 exposes a connectAP interface without proper authentication. An unauthenticated attacker on the same local network segment can exploit this to modify the device’s Wi-Fi configuration, resulting in loss of connectivity and denial-of-service (DoS). It has a CVSS v3.1 base score of 8.1 (HIGH).

How severe is CVE-2025-14300? +

CVE-2025-14300 has a CVSS v3.1 score of 8.1 out of 10, rated HIGH. This is a high-severity vulnerability that should be prioritized for patching.

What products are affected by CVE-2025-14300? +

CVE-2025-14300 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-2025-14300? +

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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