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.

Attack Vector Network

Attack Complexity Low

Privileges Required None

Attack Requirements Present

User Interaction Passive

Vulnerable System Confidentiality Impact High

Vulnerable System Integrity Impact High

Vulnerable System Availability Impact High

Subsequent System Confidentiality Impact None

Subsequent System Integrity Impact None

Subsequent System Availability Impact None

Attack Vector Network

Attack Complexity High

Privileges Required None

Scope Unchanged

Confidentiality Impact High

Integrity Impact High

Availability Impact High

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

The EPSS score is 0.00329.

Exploitation none

Automatable no

Technical Impact total

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions
ECOVACS ROBOTICS DEEBOT PRO M1 unaffected
Version Status Constraints
0 affected < M1-1.7.27
ECOVACS ROBOTICS DEEBOT PRO K1VAC unaffected
Version Status Constraints
0 affected < V1.7.821

No data.

No data.

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No data.

Project Subscriptions

No data.

Advisories

No advisories yet.

Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

References
Link Providers
https://jvn.jp/en/vu/JVNVU92804348/ cve-icon
https://robot.hellohas.co.jp/news/update_20260331/ cve-icon
History

Mon, 10 Aug 2026 19:30:00 +0000

Type Values Removed Values Added
Metrics ssvc

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

Mon, 10 Aug 2026 10:15:00 +0000

Type Values Removed Values Added
Title Improper WebSocket Authentication Enables Key Retrieval and Traffic Tampering on Deebot Pro M1 and K1VAC

Mon, 10 Aug 2026 08:30:00 +0000

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'}

Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: jpcert

Published:

Updated: 2026-08-10T17:55:21.647Z

Reserved: 2026-07-27T00:45:20.457Z

Link: CVE-2026-66407

cve-icon Vulnrichment

Updated: 2026-08-10T17:55:17.971Z

cve-icon NVD

No data.

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-08-10T10:00:04Z

Weaknesses