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2 vulnerabilities found for MT6890, MT7615, MT7915, MT7916, MT7981, MT7986 by MediaTek, Inc.

CVE-2026-20408 (GCVE-0-2026-20408)

Vulnerability from nvd – Published: 2026-02-02 08:14 – Updated: 2026-02-03 14:54
VLAI?
Summary
In wlan, there is a possible out of bounds write due to a heap buffer overflow. This could lead to remote (proximal/adjacent) escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation. Patch ID: WCNCR00461651; Issue ID: MSV-4758.
Severity ?
8.8 (High)
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CWE
Assigner
References
Impacted products
Vendor Product Version
MediaTek, Inc. MT6890, MT7615, MT7915, MT7916, MT7981, MT7986 Affected: SDK release 7.6.7.2 and before / openWRT 19.07, 21.02, 23.05
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Show details on NVD website
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    "adp": [
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        "metrics": [
          {
            "cvssV3_1": {
              "attackComplexity": "LOW",
              "attackVector": "ADJACENT_NETWORK",
              "availabilityImpact": "HIGH",
              "baseScore": 8.8,
              "baseSeverity": "HIGH",
              "confidentialityImpact": "HIGH",
              "integrityImpact": "HIGH",
              "privilegesRequired": "NONE",
              "scope": "UNCHANGED",
              "userInteraction": "NONE",
              "vectorString": "CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
              "version": "3.1"
            }
          },
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            "other": {
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                "id": "CVE-2026-20408",
                "options": [
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                  },
                  {
                    "Technical Impact": "total"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2026-02-03T04:55:40.470235Z",
                "version": "2.0.3"
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        "providerMetadata": {
          "dateUpdated": "2026-02-03T14:54:18.206Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
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        {
          "product": "MT6890, MT7615, MT7915, MT7916, MT7981, MT7986",
          "vendor": "MediaTek, Inc.",
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              "status": "affected",
              "version": "SDK release 7.6.7.2 and before / openWRT 19.07, 21.02, 23.05"
            }
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        }
      ],
      "problemTypes": [
        {
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    "assignerOrgId": "ee979b05-11f8-4f25-a7e0-a1fa9c190374",
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    "dateReserved": "2025-11-03T01:30:59.008Z",
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    "state": "PUBLISHED"
  },
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CVE-2026-20408 (GCVE-0-2026-20408)

Vulnerability from cvelistv5 – Published: 2026-02-02 08:14 – Updated: 2026-02-03 14:54
VLAI?
Summary
In wlan, there is a possible out of bounds write due to a heap buffer overflow. This could lead to remote (proximal/adjacent) escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation. Patch ID: WCNCR00461651; Issue ID: MSV-4758.
Severity ?
8.8 (High)
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CWE
Assigner
References
Impacted products
Vendor Product Version
MediaTek, Inc. MT6890, MT7615, MT7915, MT7916, MT7981, MT7986 Affected: SDK release 7.6.7.2 and before / openWRT 19.07, 21.02, 23.05
Create a notification for this product.
Show details on NVD website
To clipboard 

{
  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "cvssV3_1": {
              "attackComplexity": "LOW",
              "attackVector": "ADJACENT_NETWORK",
              "availabilityImpact": "HIGH",
              "baseScore": 8.8,
              "baseSeverity": "HIGH",
              "confidentialityImpact": "HIGH",
              "integrityImpact": "HIGH",
              "privilegesRequired": "NONE",
              "scope": "UNCHANGED",
              "userInteraction": "NONE",
              "vectorString": "CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
              "version": "3.1"
            }
          },
          {
            "other": {
              "content": {
                "id": "CVE-2026-20408",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "total"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2026-02-03T04:55:40.470235Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2026-02-03T14:54:18.206Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
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        {
          "product": "MT6890, MT7615, MT7915, MT7916, MT7981, MT7986",
          "vendor": "MediaTek, Inc.",
          "versions": [
            {
              "status": "affected",
              "version": "SDK release 7.6.7.2 and before / openWRT 19.07, 21.02, 23.05"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
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        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
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              "description": "CWE-122 Heap Overflow",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
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        "orgId": "ee979b05-11f8-4f25-a7e0-a1fa9c190374",
        "shortName": "MediaTek"
      },
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        }
      ]
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