CVE-2026-20406 (GCVE-0-2026-20406)
Vulnerability from cvelistv5
Published
2026-02-02 08:14
Modified
2026-03-30 13:02
CWE
  • CWE-770 - Allocation of Resources Without Limits or Throttling
Summary
In Modem, there is a possible system crash due to an uncaught exception. This could lead to remote denial of service, if a UE has connected to a rogue base station controlled by the attacker, with no additional execution privileges needed. User interaction is not needed for exploitation. Patch ID: MOLY01726634; Issue ID: MSV-5728.
Impacted products
Vendor Product Version
MediaTek, Inc. MediaTek chipset Version: MT2735
Version: MT2737
Version: MT6813
Version: MT6815
Version: MT6833
Version: MT6835
Version: MT6853
Version: MT6855
Version: MT6858
Version: MT6873
Version: MT6875
Version: MT6877
Version: MT6878
Version: MT6879
Version: MT6880
Version: MT6883
Version: MT6885
Version: MT6886
Version: MT6889
Version: MT6890
Version: MT6891
Version: MT6893
Version: MT6895
Version: MT6896
Version: MT6897
Version: MT6899
Version: MT6980
Version: MT6983
Version: MT6985
Version: MT6986
Version: MT6989
Version: MT6990
Version: MT6991
Version: MT6993
Version: MT8668
Version: MT8673
Version: MT8675
Version: MT8676
Version: MT8678
Version: MT8755
Version: MT8771
Version: MT8791
Version: MT8791T
Version: MT8792
Version: MT8793
Version: MT8795T
Version: MT8797
Version: MT8798
Version: MT8863
Version: MT8873
Version: MT8883
Version: MT8893
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Show details on NVD website


{
  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "cvssV3_1": {
              "attackComplexity": "LOW",
              "attackVector": "ADJACENT_NETWORK",
              "availabilityImpact": "HIGH",
              "baseScore": 6.5,
              "baseSeverity": "MEDIUM",
              "confidentialityImpact": "NONE",
              "integrityImpact": "NONE",
              "privilegesRequired": "NONE",
              "scope": "UNCHANGED",
              "userInteraction": "NONE",
              "vectorString": "CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
              "version": "3.1"
            }
          },
          {
            "other": {
              "content": {
                "id": "CVE-2026-20406",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2026-02-17T14:13:31.407121Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2026-02-17T14:13:54.700Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
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        {
          "defaultStatus": "unaffected",
          "product": "MediaTek chipset",
          "vendor": "MediaTek, Inc.",
          "versions": [
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              "status": "affected",
              "version": "MT2735"
            },
            {
              "status": "affected",
              "version": "MT2737"
            },
            {
              "status": "affected",
              "version": "MT6813"
            },
            {
              "status": "affected",
              "version": "MT6815"
            },
            {
              "status": "affected",
              "version": "MT6833"
            },
            {
              "status": "affected",
              "version": "MT6835"
            },
            {
              "status": "affected",
              "version": "MT6853"
            },
            {
              "status": "affected",
              "version": "MT6855"
            },
            {
              "status": "affected",
              "version": "MT6858"
            },
            {
              "status": "affected",
              "version": "MT6873"
            },
            {
              "status": "affected",
              "version": "MT6875"
            },
            {
              "status": "affected",
              "version": "MT6877"
            },
            {
              "status": "affected",
              "version": "MT6878"
            },
            {
              "status": "affected",
              "version": "MT6879"
            },
            {
              "status": "affected",
              "version": "MT6880"
            },
            {
              "status": "affected",
              "version": "MT6883"
            },
            {
              "status": "affected",
              "version": "MT6885"
            },
            {
              "status": "affected",
              "version": "MT6886"
            },
            {
              "status": "affected",
              "version": "MT6889"
            },
            {
              "status": "affected",
              "version": "MT6890"
            },
            {
              "status": "affected",
              "version": "MT6891"
            },
            {
              "status": "affected",
              "version": "MT6893"
            },
            {
              "status": "affected",
              "version": "MT6895"
            },
            {
              "status": "affected",
              "version": "MT6896"
            },
            {
              "status": "affected",
              "version": "MT6897"
            },
            {
              "status": "affected",
              "version": "MT6899"
            },
            {
              "status": "affected",
              "version": "MT6980"
            },
            {
              "status": "affected",
              "version": "MT6983"
            },
            {
              "status": "affected",
              "version": "MT6985"
            },
            {
              "status": "affected",
              "version": "MT6986"
            },
            {
              "status": "affected",
              "version": "MT6989"
            },
            {
              "status": "affected",
              "version": "MT6990"
            },
            {
              "status": "affected",
              "version": "MT6991"
            },
            {
              "status": "affected",
              "version": "MT6993"
            },
            {
              "status": "affected",
              "version": "MT8668"
            },
            {
              "status": "affected",
              "version": "MT8673"
            },
            {
              "status": "affected",
              "version": "MT8675"
            },
            {
              "status": "affected",
              "version": "MT8676"
            },
            {
              "status": "affected",
              "version": "MT8678"
            },
            {
              "status": "affected",
              "version": "MT8755"
            },
            {
              "status": "affected",
              "version": "MT8771"
            },
            {
              "status": "affected",
              "version": "MT8791"
            },
            {
              "status": "affected",
              "version": "MT8791T"
            },
            {
              "status": "affected",
              "version": "MT8792"
            },
            {
              "status": "affected",
              "version": "MT8793"
            },
            {
              "status": "affected",
              "version": "MT8795T"
            },
            {
              "status": "affected",
              "version": "MT8797"
            },
            {
              "status": "affected",
              "version": "MT8798"
            },
            {
              "status": "affected",
              "version": "MT8863"
            },
            {
              "status": "affected",
              "version": "MT8873"
            },
            {
              "status": "affected",
              "version": "MT8883"
            },
            {
              "status": "affected",
              "version": "MT8893"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "In Modem, there is a possible system crash due to an uncaught exception. This could lead to remote denial of service, if a UE has connected to a rogue base station controlled by the attacker, with no additional execution privileges needed. User interaction is not needed for exploitation. Patch ID: MOLY01726634; Issue ID: MSV-5728."
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-770",
              "description": "CWE-770 Allocation of Resources Without Limits or Throttling",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-03-30T13:02:51.973Z",
        "orgId": "ee979b05-11f8-4f25-a7e0-a1fa9c190374",
        "shortName": "MediaTek"
      },
      "references": [
        {
          "url": "https://corp.mediatek.com/product-security-bulletin/February-2026"
        }
      ],
      "x_generator": {
        "engine": "cvelib 1.8.0"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "ee979b05-11f8-4f25-a7e0-a1fa9c190374",
    "assignerShortName": "MediaTek",
    "cveId": "CVE-2026-20406",
    "datePublished": "2026-02-02T08:14:52.889Z",
    "dateReserved": "2025-11-03T01:30:59.007Z",
    "dateUpdated": "2026-03-30T13:02:51.973Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2",
  "vulnerability-lookup:meta": {
    "vulnrichment": {
      "containers": "{\"adp\": [{\"title\": \"CISA ADP Vulnrichment\", \"metrics\": [{\"cvssV3_1\": {\"scope\": \"UNCHANGED\", \"version\": \"3.1\", \"baseScore\": 6.5, \"attackVector\": \"ADJACENT_NETWORK\", \"baseSeverity\": \"MEDIUM\", \"vectorString\": \"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H\", \"integrityImpact\": \"NONE\", \"userInteraction\": \"NONE\", \"attackComplexity\": \"LOW\", \"availabilityImpact\": \"HIGH\", \"privilegesRequired\": \"NONE\", \"confidentialityImpact\": \"NONE\"}}, {\"other\": {\"type\": \"ssvc\", \"content\": {\"id\": \"CVE-2026-20406\", \"role\": \"CISA Coordinator\", \"options\": [{\"Exploitation\": \"none\"}, {\"Automatable\": \"no\"}, {\"Technical Impact\": \"partial\"}], \"version\": \"2.0.3\", \"timestamp\": \"2026-02-17T14:13:31.407121Z\"}}}], \"providerMetadata\": {\"orgId\": \"134c704f-9b21-4f2e-91b3-4a467353bcc0\", \"shortName\": \"CISA-ADP\", \"dateUpdated\": \"2026-02-02T21:03:15.476Z\"}}], \"cna\": {\"affected\": [{\"vendor\": \"MediaTek, Inc.\", \"product\": \"MediaTek chipset\", \"versions\": [{\"status\": \"affected\", \"version\": \"MT2735\"}, {\"status\": \"affected\", \"version\": \"MT2737\"}, {\"status\": \"affected\", \"version\": \"MT6813\"}, {\"status\": \"affected\", \"version\": \"MT6815\"}, {\"status\": \"affected\", \"version\": \"MT6833\"}, {\"status\": \"affected\", \"version\": \"MT6835\"}, {\"status\": \"affected\", \"version\": \"MT6853\"}, {\"status\": \"affected\", \"version\": \"MT6855\"}, {\"status\": \"affected\", \"version\": \"MT6858\"}, {\"status\": \"affected\", \"version\": \"MT6873\"}, {\"status\": \"affected\", \"version\": \"MT6875\"}, {\"status\": \"affected\", \"version\": \"MT6877\"}, {\"status\": \"affected\", \"version\": \"MT6878\"}, {\"status\": \"affected\", \"version\": \"MT6879\"}, {\"status\": \"affected\", \"version\": \"MT6880\"}, {\"status\": \"affected\", \"version\": \"MT6883\"}, {\"status\": \"affected\", \"version\": \"MT6885\"}, {\"status\": \"affected\", \"version\": \"MT6886\"}, {\"status\": \"affected\", \"version\": \"MT6889\"}, {\"status\": \"affected\", \"version\": \"MT6890\"}, {\"status\": \"affected\", \"version\": \"MT6891\"}, {\"status\": \"affected\", \"version\": \"MT6893\"}, {\"status\": \"affected\", \"version\": \"MT6895\"}, {\"status\": \"affected\", \"version\": \"MT6896\"}, {\"status\": \"affected\", \"version\": \"MT6897\"}, {\"status\": \"affected\", \"version\": \"MT6899\"}, {\"status\": \"affected\", \"version\": \"MT6980\"}, {\"status\": \"affected\", \"version\": \"MT6983\"}, {\"status\": \"affected\", \"version\": \"MT6985\"}, {\"status\": \"affected\", \"version\": \"MT6986\"}, {\"status\": \"affected\", \"version\": \"MT6989\"}, {\"status\": \"affected\", \"version\": \"MT6990\"}, {\"status\": \"affected\", \"version\": \"MT6991\"}, {\"status\": \"affected\", \"version\": \"MT6993\"}, {\"status\": \"affected\", \"version\": \"MT8668\"}, {\"status\": \"affected\", \"version\": \"MT8673\"}, {\"status\": \"affected\", \"version\": \"MT8675\"}, {\"status\": \"affected\", \"version\": \"MT8676\"}, {\"status\": \"affected\", \"version\": \"MT8678\"}, {\"status\": \"affected\", \"version\": \"MT8755\"}, {\"status\": \"affected\", \"version\": \"MT8771\"}, {\"status\": \"affected\", \"version\": \"MT8791\"}, {\"status\": \"affected\", \"version\": \"MT8791T\"}, {\"status\": \"affected\", \"version\": \"MT8792\"}, {\"status\": \"affected\", \"version\": \"MT8793\"}, {\"status\": \"affected\", \"version\": \"MT8795T\"}, {\"status\": \"affected\", \"version\": \"MT8797\"}, {\"status\": \"affected\", \"version\": \"MT8798\"}, {\"status\": \"affected\", \"version\": \"MT8863\"}, {\"status\": \"affected\", \"version\": \"MT8873\"}, {\"status\": \"affected\", \"version\": \"MT8883\"}, {\"status\": \"affected\", \"version\": \"MT8893\"}], \"defaultStatus\": \"unaffected\"}], \"references\": [{\"url\": \"https://corp.mediatek.com/product-security-bulletin/February-2026\"}], \"x_generator\": {\"engine\": \"cvelib 1.8.0\"}, \"descriptions\": [{\"lang\": \"en\", \"value\": \"In Modem, there is a possible system crash due to an uncaught exception. This could lead to remote denial of service, if a UE has connected to a rogue base station controlled by the attacker, with no additional execution privileges needed. User interaction is not needed for exploitation. Patch ID: MOLY01726634; Issue ID: MSV-5728.\"}], \"problemTypes\": [{\"descriptions\": [{\"lang\": \"en\", \"type\": \"CWE\", \"cweId\": \"CWE-770\", \"description\": \"CWE-770 Allocation of Resources Without Limits or Throttling\"}]}], \"providerMetadata\": {\"orgId\": \"ee979b05-11f8-4f25-a7e0-a1fa9c190374\", \"shortName\": \"MediaTek\", \"dateUpdated\": \"2026-03-30T13:02:51.973Z\"}}}",
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    }
  }
}


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  • Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
  • Confirmed: The vulnerability is confirmed from an analyst perspective.
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