Vulnerability · Published Feb 5, 2026 · Assigned by TPLink

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

High 7.5

In plain English

A high-severity improper certificate validation in Tapo H100 v1 from TP-Link Systems Inc.. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.2% (higher than 10% of all known vulnerabilities).

Severity (CVSS 4.0)7.5High

Exploit odds (30 days)0.2%top 90.0% of all CVEs

Exploited in the wildNo reportsCISA SSVC: none

Attack toolingNoneno public tooling known

Official description

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.

Affected products (as reported)

Vendor	Product	Versions
TP-Link Systems Inc.	Tapo H100 v1	0 – before 1.6.1
TP-Link Systems Inc.	Tapo P100 v1	0 – before 1.2.6

Weakness: CWE-295 · 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

In plain English

Official description

Affected products (as reported)

References