Vulnerability-Lookup

GHSA-X6V7-JJVQ-5RR9

Vulnerability from github – Published: 2026-08-24 18:31 – Updated: 2026-08-24 18:31

Details

Multiple vulnerabilities exist in OpenThread's handling of MLE packets. An authenticated attacker on the same Thread network could send specially crafted packets to cause a denial of service. These issues include triggerable assertion failures and a stack-based buffer overflow.

Severity

10.0 (Critical)


                  
                    CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H

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{
  "affected": [],
  "aliases": [
    "CVE-2025-36939"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-121"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2026-08-24T17:17:21Z",
    "severity": "CRITICAL"
  },
  "details": "Multiple vulnerabilities exist in OpenThread\u0027s handling of MLE packets. An authenticated attacker on the same Thread network could send specially crafted packets to cause a denial of service. These issues include triggerable assertion failures and a stack-based buffer overflow.",
  "id": "GHSA-x6v7-jjvq-5rr9",
  "modified": "2026-08-24T18:31:51Z",
  "published": "2026-08-24T18:31:51Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2025-36939"
    },
    {
      "type": "WEB",
      "url": "https://support.google.com/product-documentation/answer/17072818?hl=en\u0026ref_topic=12974021\u0026sjid=16276349370796658455-NC"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/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"
    }
  ]
}

CVE-2025-36939 (GCVE-0-2025-36939)

Vulnerability from cvelistv5 – Published: 2026-08-24 16:38 – Updated: 2026-08-24 17:20

Summary

Severity

10 (Critical)


                        
                          CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H

SSVC

Exploitation: none Automatable: no Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2026-08-24 17:20 UTC

CWE

CWE-121 - Stack-based Buffer Overflow

Assigner

Google_Devices Google root

References

1 reference

URL	Tags
https://support.google.com/product-documentation/…	vendor-advisory

Impacted products

1 product

Vendor	Product	Version
Google	Nest	Affected: 3.78.518349

Date Public

2026-08-20 16:35

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JSON

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  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "other": {
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                "id": "CVE-2025-36939",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2026-08-24T17:20:11.291949Z",
                "version": "2.0.3"
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                "description": "CWE-121 Stack-based Buffer Overflow",
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          "dateUpdated": "2026-08-24T17:20:14.187Z",
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          "shortName": "CISA-ADP"
        },
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      }
    ],
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            "attackVector": "NETWORK",
            "baseScore": 10,
            "baseSeverity": "CRITICAL",
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            "vulnIntegrityImpact": "HIGH",
            "vulnerabilityResponseEffort": "NOT_DEFINED"
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    "datePublished": "2026-08-24T16:38:45.696Z",
    "dateReserved": "2025-04-16T00:33:54.107Z",
    "dateUpdated": "2026-08-24T17:20:14.187Z",
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  },
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}

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.

Detection rules are retrieved from Rulezet.

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.

Action not permitted

GHSA-X6V7-JJVQ-5RR9

CVE-2025-36939 (GCVE-0-2025-36939)

Tags

Sightings

Nomenclature