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CVE-2026-21550

Full vulnerability record from the local CVENow database.

Description

In modem, there is a possible improper input validation. This could lead to remote denial of service with no additional execution privileges needed

Severity
HIGH
CVSS score
7.5 (v3.1)
Vulnerability status
Deferred
Source identifier
Published
2026-08-03 08:17:19.663000
Last modified
2026-10-23 22:10:00.160000
View original CVE JSON
{
  "id": "CVE-2026-21550",
  "sourceIdentifier": "[email protected]",
  "published": "2026-08-03T08:17:19.663",
  "lastModified": "2026-10-23T22:10:00.160",
  "vulnStatus": "Deferred",
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "In modem, there is a possible improper input validation. This could lead to remote denial of service with no additional execution privileges needed"
    },
    {
      "lang": "es",
      "value": "En el módem, hay una posible validación de entrada incorrecta. Esto podría llevar a una denegación de servicio remota sin necesidad de privilegios de ejecución adicionales."
    }
  ],
  "affected": [
    {
      "source": "[email protected]",
      "affectedData": [
        {
          "vendor": "Unisoc (Shanghai) Technologies Co., Ltd.",
          "product": "T8100/T9100/T8200/T8300",
          "defaultStatus": "unaffected",
          "versions": [
            {
              "version": "Android13/Android14/Android15/Android16",
              "status": "affected"
            }
          ]
        }
      ]
    }
  ],
  "metrics": {
    "cvssMetricV31": [
      {
        "source": "[email protected]",
        "type": "Secondary",
        "cvssData": {
          "version": "3.1",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
          "baseScore": 7.5,
          "baseSeverity": "HIGH",
          "attackVector": "NETWORK",
          "attackComplexity": "LOW",
          "privilegesRequired": "NONE",
          "userInteraction": "NONE",
          "scope": "UNCHANGED",
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "availabilityImpact": "HIGH"
        },
        "exploitabilityScore": 3.9,
        "impactScore": 3.6
      }
    ],
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "timestamp": "2026-08-03T14:21:23.676530Z",
          "id": "CVE-2026-21550",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "yes"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "role": "CISA Coordinator",
          "version": "2.0.3"
        }
      }
    ]
  },
  "weaknesses": [
    {
      "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
      "type": "Secondary",
      "description": [
        {
          "lang": "en",
          "value": "CWE-20"
        }
      ]
    }
  ],
  "references": [
    {
      "url": "https://www.unisoc.com/en/support/product-security-bulletin/2084109408382668801",
      "source": "[email protected]"
    }
  ]
}