CVE-2026-66407

Improper WebSocket Authentication Enables Key Retrieval and Traffic Tampering on Deebot Pro M1 and K1VAC

Published Aug 10, 2026 CVSS 4.0 · 7.7 High EPSS < 1% KEV · Not listed
Description
DEEBOT PRO M1 and DEEBOT PRO K1VAC improperly implement authentication in WebSocket communication.
The WebSocket private key may be retrieved through analyzing the traffic data via a man-in-the-middle attack, and communication contents may be altered.

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 Ecovacs Robotics
Ecovacs Robotics deebot Pro K1vac
Ecovacs Robotics deebot Pro M1
Vendors & Products Ecovacs Robotics
Ecovacs Robotics deebot Pro K1vac
Ecovacs Robotics deebot Pro M1
Type Values Removed Values Added
Metrics ssvc

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

Type Values Removed Values Added
Title Improper WebSocket Authentication Enables Key Retrieval and Traffic Tampering on Deebot Pro M1 and K1VAC
Type Values Removed Values Added
Description DEEBOT PRO M1 and DEEBOT PRO K1VAC improperly implement authentication in WebSocket communication. The WebSocket private key may be retrieved through analyzing the traffic data via a man-in-the-middle attack, and communication contents may be altered.
Weaknesses CWE-327
References
Metrics cvssV3_1

{'score': 8.1, 'vector': 'CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H'}

cvssV4_0

{'score': 7.7, 'vector': 'CVSS:4.0/AV:N/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
jpcert
Published
Updated
Aug 10, 2026, 5:55 PM
Reserved
Jul 27, 2026, 12:45 AM
Status
Deferred
Published
Aug 10, 2026, 9:17 AM
Modified
Aug 28, 2026, 4:09 PM