cve-2026-80335

HIGH CVSS 7.6 fkie_nvd
Description

Memory Corruption when processing firmware update data in Download mode due to a missing bounds check.

Timeline
Published
unknown
Last Modified
unknown
CVSS Details
Attack Vector
PHYSICAL
Attack Complexity
LOW
Privileges Required
NONE
Affected Products

No product information available.

Weaknesses (CWE)
CWE-787
CVSS metrics
Version Base Severity Vector Exploitability Impact Source
3.1 7.6 HIGH CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H 0.9 6.0 security@unisoc.com
NVD metadata
NVD status
Received
Source identifier
security@unisoc.com
References
Linked Vulnerabilities

No linked vulnerabilities found.

{
  "affected": [
    {
      "affectedData": [
        {
          "defaultStatus": "unaffected",
          "product": "Bootloader",
          "vendor": "Unisoc (Shanghai) Technologies Co., Ltd.",
          "versions": [
            {
              "status": "affected",
              "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"
            }
          ]
        }
      ],
      "source": "security@unisoc.com"
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "Memory Corruption when processing firmware update data in Download mode due to a missing bounds check."
    }
  ],
  "id": "CVE-2026-80335",
  "lastModified": "2026-11-05T07:17:27.590",
  "metrics": {
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "PHYSICAL",
          "availabilityImpact": "HIGH",
          "baseScore": 7.6,
          "baseSeverity": "HIGH",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "privilegesRequired": "NONE",
          "scope": "CHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H",
          "version": "3.1"
        },
        "exploitabilityScore": 0.9,
        "impactScore": 6.0,
        "source": "security@unisoc.com",
        "type": "Secondary"
      }
    ],
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2026-80335",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "total"
            }
          ],
          "role": "CISA Coordinator",
          "timestamp": "2026-11-04T14:53:39.348855Z",
          "version": "2.0.3"
        }
      }
    ]
  },
  "published": "2026-11-04T04:17:37.623",
  "references": [
    {
      "source": "security@unisoc.com",
      "url": "https://www.unisoc.com/en/support/product-security-bulletin/2117823464494759937"
    }
  ],
  "sourceIdentifier": "security@unisoc.com",
  "vulnStatus": "Received",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-787"
        }
      ],
      "source": "security@unisoc.com",
      "type": "Secondary"
    }
  ]
}
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