CVE-2026-80335

{
  "id": "CVE-2026-80335",
  "sourceIdentifier": "[email protected]",
  "published": "2026-11-04T04:17:37.623",
  "lastModified": "2026-11-04T04:17:37.623",
  "vulnStatus": "Received",
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "In the bootloader download module, there is a possible out-of-bounds write due to a failure to reset a global offset variable during firmware update sessions. This could lead to heap memory corruption, system crash, or potential arbitrary code execution with no additional execution privileges needed."
    }
  ],
  "affected": [
    {
      "source": "[email protected]",
      "affectedData": [
        {
          "vendor": "Unisoc (Shanghai) Technologies Co., Ltd.",
          "product": "Bootloader",
          "defaultStatus": "unaffected",
          "versions": [
            {
              "version": "SC9863A",
              "status": "affected"
            },
            {
              "version": "SC9832E",
              "status": "affected"
            },
            {
              "version": "SC7731E",
              "status": "affected"
            },
            {
              "version": "T310",
              "status": "affected"
            },
            {
              "version": "T610",
              "status": "affected"
            },
            {
              "version": "T618",
              "status": "affected"
            },
            {
              "version": "T7200",
              "status": "affected"
            },
            {
              "version": "T7225",
              "status": "affected"
            },
            {
              "version": "T7250",
              "status": "affected"
            },
            {
              "version": "T7255",
              "status": "affected"
            },
            {
              "version": "T7280",
              "status": "affected"
            },
            {
              "version": "T8100",
              "status": "affected"
            },
            {
              "version": "T9100",
              "status": "affected"
            },
            {
              "version": "T8200",
              "status": "affected"
            },
            {
              "version": "T7300",
              "status": "affected"
            },
            {
              "version": "T8300",
              "status": "affected"
            }
          ]
        }
      ]
    }
  ],
  "metrics": {
    "cvssMetricV31": [
      {
        "source": "[email protected]",
        "type": "Secondary",
        "cvssData": {
          "version": "3.1",
          "vectorString": "CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H",
          "baseScore": 7.6,
          "baseSeverity": "HIGH",
          "attackVector": "PHYSICAL",
          "attackComplexity": "LOW",
          "privilegesRequired": "NONE",
          "userInteraction": "NONE",
          "scope": "CHANGED",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "availabilityImpact": "HIGH"
        },
        "exploitabilityScore": 0.9,
        "impactScore": 6.0
      }
    ]
  },
  "weaknesses": [
    {
      "source": "[email protected]",
      "type": "Primary",
      "description": [
        {
          "lang": "en",
          "value": "CWE-787"
        }
      ]
    }
  ],
  "references": [
    {
      "url": "https://www.unisoc.com/en/support/product-security-bulletin/2117823464494759937",
      "source": "[email protected]"
    }
  ]
}