CVE-2025-15557 - CVE House
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Status published High CVE-2025-15557

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

Vulnerability 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.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

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Credits & Attribution

The following person or organization is credited with identifying this vulnerability, as recorded in the NVD database:

  • Jere Ainasoja and Jack Sundholm from Test of Things

References

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Affected Vendor

TP-Link Systems Inc.

View all reports →

Affected Software

Tapo H100 v1, Tapo P100 v1
Vulnerable Versions:
0

Timeline

Official Publish: February 5th, 2026
Last Modified: February 5th, 2026
Added to House: July 22nd, 2026

CVSS Vectors

Weaknesses (CWE)

CWE-295

MITRE ATT&CK TTPs

T1557 Adversary-in-the-Middle
Credential Access
T1040 Network Sniffing
Collection
T1552 Unsecured Credentials
Credential Access
T1071 Application Layer Protocol
Command and Control
T1565 Data Manipulation
Impact