Vulnerability-Lookup

CVE-2026-66407 (GCVE-0-2026-66407)

Vulnerability from cvelistv5 – Published: 2026-08-10 08:00 – Updated: 2026-08-10 17:55

Summary

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.

Severity

8.1 (High)


                        
                          CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

7.7 (High)


                        
                          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

SSVC

Exploitation: none Automatable: no Technical Impact: total

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2026-08-10 17:54 UTC

CWE

CWE-327 - Use of a broken or risky cryptographic algorithm

Assigner

jpcert jpcert root Scorecard

References

2 references

URL	Tags
https://robot.hellohas.co.jp/news/update_20260331/
https://jvn.jp/en/vu/JVNVU92804348/

Impacted products

2 products

Vendor	Product	Version
ECOVACS ROBOTICS	DEEBOT PRO M1	Affected: 0 , < M1-1.7.27 (semver)
ECOVACS ROBOTICS	DEEBOT PRO K1VAC	Affected: 0 , < V1.7.821 (semver)

Show details on NVD website

JSON

To clipboard

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EUVD-2026-350743

European Vulnerability Database identifier assigned by ENISA

Reserved

2026-10-02 08:20

Assigner

ENISA

Alias of

a CVE record, shown under related vulnerabilities. This identifier carries no description, severity or references of its own: they belong to that CVE.

JSON

To clipboard

{
  "assigner": "ENISA",
  "date_reserved": "2026-10-02T08:20:40.373525+00:00",
  "id": "EUVD-2026-350743"
}

FKIE_CVE-2026-66407

Vulnerability from fkie_nvd - Published: 2026-08-10 09:17 - Updated: 2026-08-28 16:09

Severity

8.1 (High) - CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

Summary

References

	URL	Tags
	vultures@jpcert.or.jp	https://jvn.jp/en/vu/JVNVU92804348/
	vultures@jpcert.or.jp	https://robot.hellohas.co.jp/news/update_20260331/

Impacted products

	Vendor	Product	Version

JSON

To clipboard

{
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    {
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          "defaultStatus": "unaffected",
          "product": "DEEBOT PRO M1",
          "vendor": "ECOVACS ROBOTICS",
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              "status": "affected",
              "version": "0",
              "versionType": "semver"
            }
          ]
        },
        {
          "defaultStatus": "unaffected",
          "product": "DEEBOT PRO K1VAC",
          "vendor": "ECOVACS ROBOTICS",
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              "version": "0",
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            }
          ]
        }
      ],
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    }
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    }
  ],
  "id": "CVE-2026-66407",
  "lastModified": "2026-08-28T16:09:10.947",
  "metrics": {
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        },
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}

GHSA-85WR-C4P3-GMH4

Vulnerability from github – Published: 2026-08-10 09:31 – Updated: 2026-08-10 09:31

Details

Severity

8.1 (High)


                  
                    CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

7.7 (High)


                  
                    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

Show details on source website

JSON

To clipboard

{
  "affected": [],
  "aliases": [
    "CVE-2026-66407"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-327"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2026-08-10T09:17:22Z",
    "severity": "HIGH"
  },
  "details": "DEEBOT PRO M1 and DEEBOT PRO K1VAC improperly implement authentication in WebSocket communication.\nThe WebSocket private key may be retrieved through analyzing the traffic data via a man-in-the-middle attack, and communication contents may be altered.",
  "id": "GHSA-85wr-c4p3-gmh4",
  "modified": "2026-08-10T09:31:23Z",
  "published": "2026-08-10T09:31:23Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-66407"
    },
    {
      "type": "WEB",
      "url": "https://jvn.jp/en/vu/JVNVU92804348"
    },
    {
      "type": "WEB",
      "url": "https://robot.hellohas.co.jp/news/update_20260331"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H",
      "type": "CVSS_V3"
    },
    {
      "score": "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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X",
      "type": "CVSS_V4"
    }
  ]
}

JVNDB-2026-026400

Vulnerability from jvndb - Published: 2026-08-04 05:10 - Updated:2026-08-05 03:28

Severity

7.5 (High) - cvssV3_0 - CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Summary

Multiple vulnerabilities in DEEBOT PRO M1, DEEBOT PRO K1VAC and ECOVACS PRO App

Details

Robotic cleaners DEEBOT PRO M1 and DEEBOT PRO K1VAC, and mobile app ECOVACS PRO App developed by ECOVACS ROBOTICS contain multiple vulnerabilities. They are provided in Japan by Hellohas Robotics Inc.

web server for debugging purposes remains enabled (CWE-489) - CVE-2026-66403
Missing server certificate verification in MQTT communications (CWE-295) - CVE-2026-66404
telnet server remains enabled (CWE-489) - CVE-2026-66405
Missing server certificate verification in wget command (CWE-295) - CVE-2026-66406

A man-in-the-middle attack may allow an attacker to obtain and/or alter communications of the affected product.

Use of a Broken or Risky Cryptographic Algorithm in WebSocket communication authentication (CWE-327) - CVE-2026-66407

A man-in-the-middle attack could allow an attacker to analyze the WebSocket private key.

Weak password for root account (CWE-1391) - CVE-2026-66408
Weak password for Wi-Fi hotspot network (CWE-1391) - CVE-2026-66409
Improper server certificate verification in the smartphone app (CWE-295) - CVE-2026-66410
Dependency on vulnerable third-party component (CWE-1395)

Known vulnerability in Quectel EG25-G device (CVE-2021-31698)

Incorrect implementation of authentication algorithm in Websocket communications (CWE-303) - CVE-2026-66411

Hellohas Robotics Inc. reported and coordinated these vulnerabilities with ECOVACS ROBOTICS, and reported to JPCERT/CC to notify users of the solutions through JVN.

References

Type

URL

	JVN	https://jvn.jp/en/vu/JVNVU92804348/index.html
	CVE	https://www.cve.org/CVERecord?id=CVE-2021-31698
	CVE	https://www.cve.org/CVERecord?id=CVE-2026-66403
	CVE	https://www.cve.org/CVERecord?id=CVE-2026-66404
	CVE	https://www.cve.org/CVERecord?id=CVE-2026-66405
	CVE	https://www.cve.org/CVERecord?id=CVE-2026-66406
	CVE	https://www.cve.org/CVERecord?id=CVE-2026-66407
	CVE	https://www.cve.org/CVERecord?id=CVE-2026-66408
	CVE	https://www.cve.org/CVERecord?id=CVE-2026-66409
	CVE	https://www.cve.org/CVERecord?id=CVE-2026-66410
	CVE	https://www.cve.org/CVERecord?id=CVE-2026-66411
	Use of Weak Credentials(CWE-1391)	https://cwe.mitre.org/data/definitions/1391.html
	Dependency on Vulnerable Third-Party Component(CWE-1395)	https://cwe.mitre.org/data/definitions/1395.html
	Improper Certificate Validation(CWE-295)	https://cwe.mitre.org/data/definitions/295.html
	Incorrect Implementation of Authentication Algorithm(CWE-303)	https://cwe.mitre.org/data/definitions/303.html
	Use of a Broken or Risky Cryptographic Algorithm(CWE-327)	https://cwe.mitre.org/data/definitions/327.html
	Active Debug Code(CWE-489)	https://cwe.mitre.org/data/definitions/489.html

Impacted products

Vendor

Product

	ECOVACS	ECOVACS PRO
	Hellohas Robotics Inc.	DEEBOT PRO

Show details on JVN DB website

JSON

To clipboard

{
  "@rdf:about": "https://jvndb.jvn.jp/en/contents/2026/JVNDB-2026-026400.html",
  "dc:date": "2026-08-05T12:28+09:00",
  "dcterms:issued": "2026-08-04T14:10+09:00",
  "dcterms:modified": "2026-08-05T12:28+09:00",
  "description": "Robotic cleaners DEEBOT PRO M1 and DEEBOT PRO K1VAC, and mobile app ECOVACS PRO App developed by ECOVACS ROBOTICS contain multiple vulnerabilities. They are provided in Japan by Hellohas Robotics Inc.\u003cul\u003e\u003cli\u003eweb server for debugging purposes remains enabled (CWE-489) - CVE-2026-66403\u003c/li\u003e\u003cli\u003eMissing server certificate verification in MQTT communications (CWE-295) - CVE-2026-66404\u003c/li\u003e\u003cli\u003etelnet server remains enabled (CWE-489) - CVE-2026-66405\u003c/li\u003e\u003cli\u003eMissing server certificate verification in wget command (CWE-295) - CVE-2026-66406\u003c/li\u003e\u003cul\u003e\u003cli\u003eA man-in-the-middle attack may allow an attacker to obtain and/or alter communications of the affected product.\u003c/li\u003e\u003c/ul\u003e\u003cli\u003eUse of a Broken or Risky Cryptographic Algorithm in WebSocket communication authentication (CWE-327) - CVE-2026-66407\u003c/li\u003e\u003cul\u003e\u003cli\u003eA man-in-the-middle attack could allow an attacker to analyze the WebSocket private key.\u003c/li\u003e\u003c/ul\u003e\u003cli\u003eWeak password for root account (CWE-1391) - CVE-2026-66408\u003c/li\u003e\u003cli\u003eWeak password for Wi-Fi hotspot network (CWE-1391) - CVE-2026-66409\u003c/li\u003e\u003cli\u003eImproper server certificate verification in the smartphone app (CWE-295) - CVE-2026-66410\u003c/li\u003e\u003cli\u003eDependency on vulnerable third-party component (CWE-1395)\u003c/li\u003e\u003cul\u003e\u003cli\u003eKnown vulnerability in Quectel EG25-G device (CVE-2021-31698)\u003c/li\u003e\u003c/ul\u003e\u003cli\u003eIncorrect implementation of authentication algorithm in Websocket communications (CWE-303) - CVE-2026-66411\u003c/li\u003e\u003c/ul\u003eHellohas Robotics Inc. reported and coordinated these vulnerabilities with ECOVACS ROBOTICS, and reported to JPCERT/CC to notify users of the solutions through JVN.",
  "link": "https://jvndb.jvn.jp/en/contents/2026/JVNDB-2026-026400.html",
  "sec:cpe": [
    {
      "#text": "cpe:/a:ecovacs:ecovacs_pro",
      "@product": "ECOVACS PRO",
      "@vendor": "ECOVACS",
      "@version": "2.2"
    },
    {
      "#text": "cpe:/h:misc:hellohas_robotics_deebot_pro",
      "@product": "DEEBOT PRO",
      "@vendor": "Hellohas Robotics Inc.",
      "@version": "2.2"
    }
  ],
  "sec:cvss": {
    "@score": "7.5",
    "@severity": "High",
    "@type": "Base",
    "@vector": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N",
    "@version": "3.0"
  },
  "sec:identifier": "JVNDB-2026-026400",
  "sec:references": [
    {
      "#text": "https://jvn.jp/en/vu/JVNVU92804348/index.html",
      "@id": "JVNVU#92804348",
      "@source": "JVN"
    },
    {
      "#text": "https://www.cve.org/CVERecord?id=CVE-2021-31698",
      "@id": "CVE-2021-31698",
      "@source": "CVE"
    },
    {
      "#text": "https://www.cve.org/CVERecord?id=CVE-2026-66403",
      "@id": "CVE-2026-66403",
      "@source": "CVE"
    },
    {
      "#text": "https://www.cve.org/CVERecord?id=CVE-2026-66404",
      "@id": "CVE-2026-66404",
      "@source": "CVE"
    },
    {
      "#text": "https://www.cve.org/CVERecord?id=CVE-2026-66405",
      "@id": "CVE-2026-66405",
      "@source": "CVE"
    },
    {
      "#text": "https://www.cve.org/CVERecord?id=CVE-2026-66406",
      "@id": "CVE-2026-66406",
      "@source": "CVE"
    },
    {
      "#text": "https://www.cve.org/CVERecord?id=CVE-2026-66407",
      "@id": "CVE-2026-66407",
      "@source": "CVE"
    },
    {
      "#text": "https://www.cve.org/CVERecord?id=CVE-2026-66408",
      "@id": "CVE-2026-66408",
      "@source": "CVE"
    },
    {
      "#text": "https://www.cve.org/CVERecord?id=CVE-2026-66409",
      "@id": "CVE-2026-66409",
      "@source": "CVE"
    },
    {
      "#text": "https://www.cve.org/CVERecord?id=CVE-2026-66410",
      "@id": "CVE-2026-66410",
      "@source": "CVE"
    },
    {
      "#text": "https://www.cve.org/CVERecord?id=CVE-2026-66411",
      "@id": "CVE-2026-66411",
      "@source": "CVE"
    },
    {
      "#text": "https://cwe.mitre.org/data/definitions/1391.html",
      "@id": "CWE-1391",
      "@title": "Use of Weak Credentials(CWE-1391)"
    },
    {
      "#text": "https://cwe.mitre.org/data/definitions/1395.html",
      "@id": "CWE-1395",
      "@title": "Dependency on Vulnerable Third-Party Component(CWE-1395)"
    },
    {
      "#text": "https://cwe.mitre.org/data/definitions/295.html",
      "@id": "CWE-295",
      "@title": "Improper Certificate Validation(CWE-295)"
    },
    {
      "#text": "https://cwe.mitre.org/data/definitions/303.html",
      "@id": "CWE-303",
      "@title": "Incorrect Implementation of Authentication Algorithm(CWE-303)"
    },
    {
      "#text": "https://cwe.mitre.org/data/definitions/327.html",
      "@id": "CWE-327",
      "@title": "Use of a Broken or Risky Cryptographic Algorithm(CWE-327)"
    },
    {
      "#text": "https://cwe.mitre.org/data/definitions/489.html",
      "@id": "CWE-489",
      "@title": "Active Debug Code(CWE-489)"
    }
  ],
  "title": "Multiple vulnerabilities in DEEBOT PRO M1, DEEBOT PRO K1VAC and ECOVACS PRO App"
}

Sightings

Author	Source	Type	Date	Other

Nomenclature

Seen: The vulnerability was mentioned, discussed, or observed by the user.
Confirmed: The vulnerability has been validated from an analyst's perspective.
Published Proof of Concept: A public proof of concept is available for this vulnerability.
Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
Not confirmed: The user expressed doubt about the validity of the vulnerability.
Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base model, served locally by ML-Gateway. They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.

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Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.

Action not permitted

CVE-2026-66407 (GCVE-0-2026-66407)

EUVD-2026-350743

FKIE_CVE-2026-66407

GHSA-85WR-C4P3-GMH4

JVNDB-2026-026400

Tags

Sightings

Nomenclature

Related by attack behaviour