CVE-2025-15557 HIGH

CVE-2025-15557: Improper Certificate Validation in TP-Link Tapo H100 and P100 Allows Man-in-the-Middle Attack

Vendor Tp-Link Systems Inc.
Product Tapo H100 v1
Weakness CWE-295
Published February 5, 2026
Last update February 5, 2026

CVSS base score

7.5/10
Attack vector Adjacent
Attack complexity Low
Privileges required None
User interaction
Confidentiality
Integrity

CVSS vector

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

What the vulnerability does

01Description

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.

Key dates

02Disclosure timeline

February 5, 2026 CVE published
February 5, 2026 Record updated