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CVE-2026-33970 (GCVE-0-2026-33970)

Vulnerability from cvelistv5 – Published: 2026-09-14 00:00 – Updated: 2026-09-14 02:16
VLAI
Summary
An issue was discovered in NR RRC and L2 in Samsung Mobile Processor, Wearable Processor, and Modem Exynos 850, 1080, 2100, 1280, 2200, 1330, 1380, 1480, 2400, 1580, 2500, 1680, W920, W930, W1000, and Modem 5410. In the 5G baseband, a NULL Pointer Dereference occurs when processing a malformed RRC Reconfiguration message.
CWE
  • CWE-476 - NULL Pointer Dereference
Impacted products
Vendor Product Version CPE status
Samsung Exynos 850 firmware Affected: 0 , ≤ 2025-12-24 (custom)
    cpe:2.3:a:samsung:exynos_850_firmware:*:*:*:*:*:*:*:*
Create a notification for this product.
Show details on NVD website

{
  "containers": {
    "cna": {
      "affected": [
        {
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          "product": "Exynos 850 firmware",
          "vendor": "Samsung",
          "versions": [
            {
              "lessThanOrEqual": "2025-12-24",
              "status": "affected",
              "version": "0",
              "versionType": "custom"
            }
          ]
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      ],
      "cpeApplicability": [
        {
          "nodes": [
            {
              "cpeMatch": [
                {
                  "criteria": "cpe:2.3:a:samsung:exynos_850_firmware:*:*:*:*:*:*:*:*",
                  "versionEndIncluding": "2025-12-24",
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                }
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        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
            "attackComplexity": "HIGH",
            "attackVector": "NETWORK",
            "availabilityImpact": "LOW",
            "baseScore": 3.5,
            "baseSeverity": "LOW",
            "confidentialityImpact": "NONE",
            "integrityImpact": "NONE",
            "privilegesRequired": "LOW",
            "scope": "CHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:N/I:N/A:L",
            "version": "3.1"
          },
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              "value": "GENERAL"
            }
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      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-476",
              "description": "CWE-476 NULL Pointer Dereference",
              "lang": "en",
              "type": "CWE"
            }
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      "providerMetadata": {
        "dateUpdated": "2026-09-14T02:16:41.582Z",
        "orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
        "shortName": "mitre"
      },
      "references": [
        {
          "url": "https://semiconductor.samsung.com/support/quality-support/product-security-updates/"
        },
        {
          "url": "https://semiconductor.samsung.com/support/quality-support/product-security-updates/cve-2026-33970/"
        }
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  "cveMetadata": {
    "assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
    "assignerShortName": "mitre",
    "cveId": "CVE-2026-33970",
    "datePublished": "2026-09-14T00:00:00.000Z",
    "dateReserved": "2026-03-24T00:00:00.000Z",
    "dateUpdated": "2026-09-14T02:16:41.582Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2",
  "vulnerability-lookup:meta": {
    "nvd": "{\"cve\":{\"id\":\"CVE-2026-33970\",\"sourceIdentifier\":\"cve@mitre.org\",\"published\":\"2026-09-14T03:16:36.750\",\"lastModified\":\"2026-09-14T03:16:36.750\",\"vulnStatus\":\"Received\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"An issue was discovered in NR RRC and L2 in Samsung Mobile Processor, Wearable Processor, and Modem Exynos 850, 1080, 2100, 1280, 2200, 1330, 1380, 1480, 2400, 1580, 2500, 1680, W920, W930, W1000, and Modem 5410. In the 5G baseband, a NULL Pointer Dereference occurs when processing a malformed RRC Reconfiguration message.\"}],\"affected\":[{\"source\":\"cve@mitre.org\",\"affectedData\":[{\"vendor\":\"Samsung\",\"product\":\"Exynos 850 firmware\",\"defaultStatus\":\"unknown\",\"versions\":[{\"version\":\"0\",\"lessThanOrEqual\":\"2025-12-24\",\"versionType\":\"custom\",\"status\":\"affected\"}]}]}],\"metrics\":{\"cvssMetricV31\":[{\"source\":\"cve@mitre.org\",\"type\":\"Secondary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:N/I:N/A:L\",\"baseScore\":3.5,\"baseSeverity\":\"LOW\",\"attackVector\":\"NETWORK\",\"attackComplexity\":\"HIGH\",\"privilegesRequired\":\"LOW\",\"userInteraction\":\"NONE\",\"scope\":\"CHANGED\",\"confidentialityImpact\":\"NONE\",\"integrityImpact\":\"NONE\",\"availabilityImpact\":\"LOW\"},\"exploitabilityScore\":1.8,\"impactScore\":1.4}]},\"weaknesses\":[{\"source\":\"cve@mitre.org\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-476\"}]}],\"references\":[{\"url\":\"https://semiconductor.samsung.com/support/quality-support/product-security-updates/\",\"source\":\"cve@mitre.org\"},{\"url\":\"https://semiconductor.samsung.com/support/quality-support/product-security-updates/cve-2026-33970/\",\"source\":\"cve@mitre.org\"}]}}"
  }
}



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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

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