FKIE_CVE-2026-20431

Vulnerability from fkie_nvd - Published: 2026-04-07 04:16 - Updated: 2026-04-10 19:58
Severity ?
6.5 (Medium) - CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Summary
In Modem, there is a possible system crash due to a logic error. 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: MOLY01106496; Issue ID: MSV-4467.
References
security@mediatek.comhttps://corp.mediatek.com/product-security-bulletin/April-2026Vendor Advisory
Impacted products
Vendor Product Version
mediatek mt6813_firmware -
mediatek mt6813 -
mediatek mt6815_firmware -
mediatek mt6815 -
mediatek mt6835_firmware -
mediatek mt6835 -
mediatek mt6878_firmware -
mediatek mt6878 -
mediatek mt6897_firmware -
mediatek mt6897 -
mediatek mt6899_firmware -
mediatek mt6899 -
mediatek mt6986_firmware -
mediatek mt6986 -
mediatek mt6991_firmware -
mediatek mt6991 -
mediatek mt6993_firmware -
mediatek mt6993 -
mediatek mt8668_firmware -
mediatek mt8668 -
mediatek mt8676_firmware -
mediatek mt8676 -
mediatek mt8678_firmware -
mediatek mt8678 -
mediatek mt8755_firmware -
mediatek mt8755 -
mediatek mt8775_firmware -
mediatek mt8775 -
mediatek mt8792_firmware -
mediatek mt8792 -
mediatek mt8793_firmware -
mediatek mt8793 -
mediatek mt8863_firmware -
mediatek mt8863 -
mediatek mt8873_firmware -
mediatek mt8873 -
mediatek mt8883_firmware -
mediatek mt8883 -
To clipboard 

{
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:o:mediatek:mt6813_firmware:-:*:*:*:*:*:*:*",
              "matchCriteriaId": "0E1CB25C-4643-4239-AE47-B5AE876416ED",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        },
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:h:mediatek:mt6813:-:*:*:*:*:*:*:*",
              "matchCriteriaId": "66F9EAE4-F1D7-46DB-AA2A-0290F6EF0501",
              "vulnerable": false
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ],
      "operator": "AND"
    },
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:o:mediatek:mt6815_firmware:-:*:*:*:*:*:*:*",
              "matchCriteriaId": "6FE3EEC2-1B07-40FA-90CA-3209C3578FA2",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        },
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:h:mediatek:mt6815:-:*:*:*:*:*:*:*",
              "matchCriteriaId": "B7122918-8C44-4F24-82E4-B8448247FC83",
              "vulnerable": false
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ],
      "operator": "AND"
    },
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:o:mediatek:mt6835_firmware:-:*:*:*:*:*:*:*",
              "matchCriteriaId": "00B1D726-8183-4667-B46D-18EF110EA9D9",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        },
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:h:mediatek:mt6835:-:*:*:*:*:*:*:*",
              "matchCriteriaId": "19A63103-C708-48EC-B44D-5E465A6B79C5",
              "vulnerable": false
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ],
      "operator": "AND"
    },
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:o:mediatek:mt6878_firmware:-:*:*:*:*:*:*:*",
              "matchCriteriaId": "207954E6-D413-4762-9F4A-3A147CFB4FE2",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        },
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:h:mediatek:mt6878:-:*:*:*:*:*:*:*",
              "matchCriteriaId": "855A8046-34ED-4891-ACE5-76AB10AC8D53",
              "vulnerable": false
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ],
      "operator": "AND"
    },
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:o:mediatek:mt6897_firmware:-:*:*:*:*:*:*:*",
              "matchCriteriaId": "A04EA650-730F-4E5D-A0E0-90570CACDD5E",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        },
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:h:mediatek:mt6897:-:*:*:*:*:*:*:*",
              "matchCriteriaId": "2A7D8055-F4B6-41EE-A078-11D56285AB66",
              "vulnerable": false
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ],
      "operator": "AND"
    },
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:o:mediatek:mt6899_firmware:-:*:*:*:*:*:*:*",
              "matchCriteriaId": "BEBA484A-EC07-4D3D-80CD-BDE9E7807F71",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        },
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:h:mediatek:mt6899:-:*:*:*:*:*:*:*",
              "matchCriteriaId": "C6E9F80F-9AC9-41E0-BB14-9DB6F14B62CD",
              "vulnerable": false
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ],
      "operator": "AND"
    },
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:o:mediatek:mt6986_firmware:-:*:*:*:*:*:*:*",
              "matchCriteriaId": "17581EC0-D68B-4EA3-845C-366C4A65FC6B",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        },
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:h:mediatek:mt6986:-:*:*:*:*:*:*:*",
              "matchCriteriaId": "1F419FE2-2D6D-48EE-9B6C-E88AC5D44186",
              "vulnerable": false
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ],
      "operator": "AND"
    },
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:o:mediatek:mt6991_firmware:-:*:*:*:*:*:*:*",
              "matchCriteriaId": "D9DD2119-39E8-4A9C-8E2A-8FB7F92A1001",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        },
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:h:mediatek:mt6991:-:*:*:*:*:*:*:*",
              "matchCriteriaId": "CBBB30DF-E963-4940-B742-F6801F68C3FC",
              "vulnerable": false
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ],
      "operator": "AND"
    },
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:o:mediatek:mt6993_firmware:-:*:*:*:*:*:*:*",
              "matchCriteriaId": "FAEB2240-FF37-4CBE-BBEF-8A8281153646",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        },
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:h:mediatek:mt6993:-:*:*:*:*:*:*:*",
              "matchCriteriaId": "57E92BE0-5E65-4770-8E1A-0E5D07A38164",
              "vulnerable": false
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ],
      "operator": "AND"
    },
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:o:mediatek:mt8668_firmware:-:*:*:*:*:*:*:*",
              "matchCriteriaId": "3EAACB56-716C-4E17-AB78-F5E68B75B791",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        },
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:h:mediatek:mt8668:-:*:*:*:*:*:*:*",
              "matchCriteriaId": "2589C222-3D62-4BDB-98F2-5F1E38600D8D",
              "vulnerable": false
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ],
      "operator": "AND"
    },
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:o:mediatek:mt8676_firmware:-:*:*:*:*:*:*:*",
              "matchCriteriaId": "645D7C99-A0A0-4FB0-97AC-3DA5161A44D9",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        },
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:h:mediatek:mt8676:-:*:*:*:*:*:*:*",
              "matchCriteriaId": "EE302F6F-170E-4350-A8F4-65BE0C50CB78",
              "vulnerable": false
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ],
      "operator": "AND"
    },
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:o:mediatek:mt8678_firmware:-:*:*:*:*:*:*:*",
              "matchCriteriaId": "CFEC7A7B-6948-4B8A-BFA1-9F9D07043605",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        },
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:h:mediatek:mt8678:-:*:*:*:*:*:*:*",
              "matchCriteriaId": "152A5F3D-8004-4649-BDB1-E6F0798AF1CB",
              "vulnerable": false
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ],
      "operator": "AND"
    },
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:o:mediatek:mt8755_firmware:-:*:*:*:*:*:*:*",
              "matchCriteriaId": "6B49A54E-B0C5-45C4-8396-5E6A2613E3B1",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        },
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:h:mediatek:mt8755:-:*:*:*:*:*:*:*",
              "matchCriteriaId": "1CF88096-5CBD-4A4B-8F47-33D38985956F",
              "vulnerable": false
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ],
      "operator": "AND"
    },
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:o:mediatek:mt8775_firmware:-:*:*:*:*:*:*:*",
              "matchCriteriaId": "FAA319BC-2689-497C-8D7D-482CD2AD89A1",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        },
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:h:mediatek:mt8775:-:*:*:*:*:*:*:*",
              "matchCriteriaId": "DE5FB550-7264-4879-BAF9-6798949113AF",
              "vulnerable": false
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ],
      "operator": "AND"
    },
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:o:mediatek:mt8792_firmware:-:*:*:*:*:*:*:*",
              "matchCriteriaId": "AE904A76-14A2-41D5-86FF-BCA686342E85",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        },
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:h:mediatek:mt8792:-:*:*:*:*:*:*:*",
              "matchCriteriaId": "336FC69E-E89F-4642-B6B9-8009D9A2BD52",
              "vulnerable": false
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ],
      "operator": "AND"
    },
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:o:mediatek:mt8793_firmware:-:*:*:*:*:*:*:*",
              "matchCriteriaId": "42C2F52D-C49C-4AFF-B6FA-FFA82EF96142",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        },
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:h:mediatek:mt8793:-:*:*:*:*:*:*:*",
              "matchCriteriaId": "2FBD3487-F8CE-406C-8BD7-DD57FF8CD60B",
              "vulnerable": false
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ],
      "operator": "AND"
    },
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:o:mediatek:mt8863_firmware:-:*:*:*:*:*:*:*",
              "matchCriteriaId": "03A3F0E1-3226-4CB5-AE9F-BDA327590107",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        },
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:h:mediatek:mt8863:-:*:*:*:*:*:*:*",
              "matchCriteriaId": "77E0D738-F0B9-468F-8A10-204F498320BC",
              "vulnerable": false
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ],
      "operator": "AND"
    },
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:o:mediatek:mt8873_firmware:-:*:*:*:*:*:*:*",
              "matchCriteriaId": "9D40337A-B78E-41CF-ADDC-A31190950F73",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        },
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:h:mediatek:mt8873:-:*:*:*:*:*:*:*",
              "matchCriteriaId": "D6DD525F-7050-42BD-829D-1121698B8009",
              "vulnerable": false
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ],
      "operator": "AND"
    },
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:o:mediatek:mt8883_firmware:-:*:*:*:*:*:*:*",
              "matchCriteriaId": "C5049DE8-5F0C-4E0D-85AE-F47CECE2DCE8",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        },
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:h:mediatek:mt8883:-:*:*:*:*:*:*:*",
              "matchCriteriaId": "23DD8281-FEB4-4E23-8DDA-680FF895F12E",
              "vulnerable": false
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ],
      "operator": "AND"
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "In Modem, there is a possible system crash due to a logic error. 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: MOLY01106496; Issue ID: MSV-4467."
    }
  ],
  "id": "CVE-2026-20431",
  "lastModified": "2026-04-10T19:58:43.890",
  "metrics": {
    "cvssMetricV31": [
      {
        "cvssData": {
          "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"
        },
        "exploitabilityScore": 2.8,
        "impactScore": 3.6,
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "type": "Secondary"
      }
    ]
  },
  "published": "2026-04-07T04:16:59.930",
  "references": [
    {
      "source": "security@mediatek.com",
      "tags": [
        "Vendor Advisory"
      ],
      "url": "https://corp.mediatek.com/product-security-bulletin/April-2026"
    }
  ],
  "sourceIdentifier": "security@mediatek.com",
  "vulnStatus": "Analyzed",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-770"
        }
      ],
      "source": "security@mediatek.com",
      "type": "Secondary"
    }
  ]
}


Log in or create an account to share your comment.




Tags
Taxonomy of the tags.




Sightings

Author Source Type Date

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.