CVE-2025-15557

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

Published Feb 5, 2026 CVSS 4.0 · 7.5 High EPSS < 1% KEV · Not listed
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
First Time appeared Tp-link tapo H100 Firmware
Tp-link tapo P100
Tp-link tapo P100 Firmware
CPEs cpe:2.3:h:tp-link:tapo_h100:1.0:*:*:*:*:*:*:*
cpe:2.3:h:tp-link:tapo_p100:1.0:*:*:*:*:*:*:*
cpe:2.3:o:tp-link:tapo_h100_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:tp-link:tapo_p100_firmware:*:*:*:*:*:*:*:*
Vendors & Products Tp-link tapo H100 Firmware
Tp-link tapo P100
Tp-link tapo P100 Firmware
Metrics cvssV3_1

{'score': 8.8, 'vector': 'CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H'}

Type Values Removed Values Added
First Time appeared Tp-link
Tp-link tapo H100
Vendors & Products Tp-link
Tp-link tapo H100
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Type Values Removed Values Added
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.
Title Improper Certificate Validation in TP-Link Tapo H100 and P100 Allows Man-in-the-Middle Attack
Weaknesses CWE-295
References
Metrics cvssV4_0

{'score': 7.5, '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'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
TPLink
Published
Updated
Feb 5, 2026, 8:33 PM
Reserved
Feb 3, 2026, 7:41 PM
Status
Analyzed
Published
Feb 5, 2026, 6:16 PM
Modified
Jun 17, 2026, 8:38 AM