Vulnerability-Lookup

CVE-2025-20747 (GCVE-0-2025-20747)

Vulnerability from cvelistv5 – Published: 2025-11-04 06:20 – Updated: 2026-02-26 17:47

Summary

In gnss service, there is a possible out of bounds write due to an incorrect bounds check. This could lead to local escalation of privilege if a malicious actor has already obtained the System privilege. User interaction is not needed for exploitation. Patch ID: ALPS10010443; Issue ID: MSV-3966.

Severity

6.7 (Medium)


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

SSVC

Exploitation: none Automatable: no Technical Impact: total

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2025-11-05 04:55 UTC

CWE

CWE-121 - Stack Overflow

Assigner

MediaTek

References

1 reference

URL	Tags
https://corp.mediatek.com/product-security-bullet…

Impacted products

1 product

Vendor	Product	Version	CPE status
MediaTek, Inc.	MT2718, MT2737, MT6835, MT6878, MT6886, MT6897, MT6899, MT6982, MT6985, MT6986, MT6986D, MT6989, MT6990, MT6991, MT8676, MT8678, MT8755, MT8893	Affected: Android 14.0, 15.0 / openWRT 21.02, 23.05 / Yocto 4.0 / RDK-B 24Q1 / Zephyr 3.7.0	guessed

Show details on NVD website

JSON

To clipboard

{
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              "confidentialityImpact": "HIGH",
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FKIE_CVE-2025-20747

Vulnerability from fkie_nvd - Published: 2025-11-04 07:15 - Updated: 2026-06-17 08:41

Severity

6.7 (Medium) - CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

Summary

References

	URL	Tags
	security@mediatek.com	https://corp.mediatek.com/product-security-bulletin/November-2025	Vendor Advisory

Impacted products

Vendor	Product	Version
linuxfoundation	yocto	4.0
rdkcentral	rdk-b	2024q1
google	android	14.0
google	android	15.0
openwrt	openwrt	21.02.0
openwrt	openwrt	23.05.0
zephyrproject	zephyr	3.7.0
mediatek	mt2718	-
mediatek	mt2737	-
mediatek	mt6835	-
mediatek	mt6878	-
mediatek	mt6886	-
mediatek	mt6897	-
mediatek	mt6899	-
mediatek	mt6982	-
mediatek	mt6985	-
mediatek	mt6986	-
mediatek	mt6986d	-
mediatek	mt6989	-
mediatek	mt6990	-
mediatek	mt6991	-
mediatek	mt8676	-
mediatek	mt8678	-
mediatek	mt8755	-
mediatek	mt8893	-

JSON

To clipboard

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  "affected": [
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      "affectedData": [
        {
          "product": "MT2718, MT2737, MT6835, MT6878, MT6886, MT6897, MT6899, MT6982, MT6985, MT6986, MT6986D, MT6989, MT6990, MT6991, MT8676, MT8678, MT8755, MT8893",
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              "matchCriteriaId": "CBBB30DF-E963-4940-B742-F6801F68C3FC",
              "vulnerable": false
            },
            {
              "criteria": "cpe:2.3:h:mediatek:mt8676:-:*:*:*:*:*:*:*",
              "matchCriteriaId": "EE302F6F-170E-4350-A8F4-65BE0C50CB78",
              "vulnerable": false
            },
            {
              "criteria": "cpe:2.3:h:mediatek:mt8678:-:*:*:*:*:*:*:*",
              "matchCriteriaId": "152A5F3D-8004-4649-BDB1-E6F0798AF1CB",
              "vulnerable": false
            },
            {
              "criteria": "cpe:2.3:h:mediatek:mt8755:-:*:*:*:*:*:*:*",
              "matchCriteriaId": "1CF88096-5CBD-4A4B-8F47-33D38985956F",
              "vulnerable": false
            },
            {
              "criteria": "cpe:2.3:h:mediatek:mt8893:-:*:*:*:*:*:*:*",
              "matchCriteriaId": "CCFAADB1-C2B2-47A6-BB66-761B964E7DFB",
              "vulnerable": false
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ],
      "operator": "AND"
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "In gnss service, there is a possible out of bounds write due to an incorrect bounds check. This could lead to local escalation of privilege if a malicious actor has already obtained the System privilege. User interaction is not needed for exploitation. Patch ID: ALPS10010443; Issue ID: MSV-3966."
    }
  ],
  "id": "CVE-2025-20747",
  "lastModified": "2026-06-17T08:41:58.873",
  "metrics": {
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "LOCAL",
          "availabilityImpact": "HIGH",
          "baseScore": 6.7,
          "baseSeverity": "MEDIUM",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "privilegesRequired": "HIGH",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H",
          "version": "3.1"
        },
        "exploitabilityScore": 0.8,
        "impactScore": 5.9,
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "type": "Secondary"
      }
    ],
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2025-20747",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "total"
            }
          ],
          "role": "CISA Coordinator",
          "timestamp": "2025-11-05T04:55:31.620548Z",
          "version": "2.0.3"
        }
      }
    ]
  },
  "published": "2025-11-04T07:15:49.540",
  "references": [
    {
      "source": "security@mediatek.com",
      "tags": [
        "Vendor Advisory"
      ],
      "url": "https://corp.mediatek.com/product-security-bulletin/November-2025"
    }
  ],
  "sourceIdentifier": "security@mediatek.com",
  "vulnStatus": "Analyzed",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-121"
        }
      ],
      "source": "security@mediatek.com",
      "type": "Secondary"
    },
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-787"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    }
  ]
}

GHSA-XC4V-PX56-FFCM

Vulnerability from github – Published: 2025-11-04 09:31 – Updated: 2025-11-04 15:31

Details

Severity

6.7 (Medium)


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

Show details on source website

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{
  "affected": [],
  "aliases": [
    "CVE-2025-20747"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-121",
      "CWE-787"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2025-11-04T07:15:49Z",
    "severity": "MODERATE"
  },
  "details": "In gnss service, there is a possible out of bounds write due to an incorrect bounds check. This could lead to local escalation of privilege if a malicious actor has already obtained the System privilege. User interaction is not needed for exploitation. Patch ID: ALPS10010443; Issue ID: MSV-3966.",
  "id": "GHSA-xc4v-px56-ffcm",
  "modified": "2025-11-04T15:31:34Z",
  "published": "2025-11-04T09:31:16Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2025-20747"
    },
    {
      "type": "WEB",
      "url": "https://corp.mediatek.com/product-security-bulletin/November-2025"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H",
      "type": "CVSS_V3"
    }
  ]
}

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

CVE-2025-20747 (GCVE-0-2025-20747)

FKIE_CVE-2025-20747

GHSA-XC4V-PX56-FFCM

Tags

Sightings

Nomenclature