Security Advisory on Improper Certificate Validation in TP-Link Tapo H100 and P100 Allows Man-in-the-Middle Attack (CVE-2025-15557)

Vulnerability and Impact Description:

CVE-2025-15557:

An Improper Certificate Validation vulnerability in TP-Link Tapo H100 v1 and Tapo P100 v1 allows an on-path attacker on the same network segment to intercept and modify encrypted device-cloud communications. This may compromise the confidentiality and integrity of device-to-cloud communication, enabling manipulation of device data or operations.

CVSS v4.0 Score: 7.5 / High

CVSS:4.0/AV:A/AC:L/AT:P/PR:N/UI:P/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

Affected Products/Versions and Fixes:

Recommendations:

We strongly recommend that users with affected devices take the following actions:

1. Follow the instructions to update to the latest firmware version to fix the vulnerabilities.

EN: https://www.tp-link.com/en/support/download/tapo-h100/

https://www.tp-link.com/en/support/download/tapo-p100/

US: https://www.tp-link.com/us/support/download/tapo-h100/

https://www.tp-link.com/us/support/download/tapo-p100/

Disclaimer:

If you do not take all recommended actions, this vulnerability will remain. TP-Link cannot bear any responsibility for consequences that could have been avoided by following this advisory.