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CVE-2018-11836

Status: ModifiedHigh (7.8)—
Severity7.8High · CVSS 3.0
Exploitation probability0.20 %higher than 9% of CVEs
Active exploitationNonot in the CISA catalog
Public exploitNot knownno public code found

In all android releases (Android for MSM, Firefox OS for MSM, QRD Android) from CAF using the linux kernel, improper length check can lead to out-of-bounds access in WLAN function.

CVSS

Base score
7.8
Version
3.0
Vector
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Exploitation probability (EPSS)

Probability of exploitation in the next 30 days
0.20 %
Percentile among all scored CVEs
9
Score date
10/21/2026

EPSS (Exploit Prediction Scoring System, FIRST) estimates how likely a vulnerability is to be exploited in the wild within 30 days. It complements CVSS (impact) and CISA KEV (confirmed exploitation).

Affected technologies (1)

Google — Android

CWEs

References

Show 6 references

Raw JSON (NVD)

Show
{
  "id": "CVE-2018-11836",
  "cveTags": [],
  "metrics": {
    "cvssMetricV2": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "version": "2.0",
          "baseScore": 7.2,
          "accessVector": "LOCAL",
          "vectorString": "AV:L/AC:L/Au:N/C:C/I:C/A:C",
          "authentication": "NONE",
          "integrityImpact": "COMPLETE",
          "accessComplexity": "LOW",
          "availabilityImpact": "COMPLETE",
          "confidentialityImpact": "COMPLETE"
        },
        "acInsufInfo": true,
        "impactScore": 10,
        "baseSeverity": "HIGH",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 3.9,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": false
      }
    ],
    "cvssMetricV30": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.0",
          "baseScore": 7.8,
          "attackVector": "LOCAL",
          "baseSeverity": "HIGH",
          "vectorString": "CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
          "integrityImpact": "HIGH",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "HIGH",
          "privilegesRequired": "LOW",
          "confidentialityImpact": "HIGH"
        },
        "impactScore": 5.9,
        "exploitabilityScore": 1.8
      }
    ]
  },
  "affected": [
    {
      "source": "product-security@qualcomm.com",
      "affectedData": [
        {
          "vendor": "Qualcomm, Inc.",
          "product": "Android for MSM, Firefox OS for MSM, QRD Android",
          "versions": [
            {
              "status": "affected",
              "version": "All Android releases from CAF using the Linux kernel"
            }
          ]
        }
      ]
    }
  ],
  "published": "2018-09-18T18:29:06.037",
  "references": [
    {
      "url": "https://source.android.com/security/bulletin/2018-09-01#qualcomm-components",
      "tags": [
        "Patch",
        "Vendor Advisory"
      ],
      "source": "product-security@qualcomm.com"
    },
    {
      "url": "https://source.codeaurora.org/quic/la/platform/vendor/qcom-opensource/wlan/qcacld-3.0/commit/?id=9d703c0815b2b260592bc8b91d907aeef7962eb7",
      "tags": [
        "Patch",
        "Third Party Advisory"
      ],
      "source": "product-security@qualcomm.com"
    },
    {
      "url": "https://www.codeaurora.org/security-bulletin/2018/09/04/september-2018-code-aurora-security-bulletin",
      "tags": [
        "Patch",
        "Third Party Advisory"
      ],
      "source": "product-security@qualcomm.com"
    },
    {
      "url": "https://source.android.com/security/bulletin/2018-09-01#qualcomm-components",
      "tags": [
        "Patch",
        "Vendor Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://source.codeaurora.org/quic/la/platform/vendor/qcom-opensource/wlan/qcacld-3.0/commit/?id=9d703c0815b2b260592bc8b91d907aeef7962eb7",
      "tags": [
        "Patch",
        "Third Party Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://www.codeaurora.org/security-bulletin/2018/09/04/september-2018-code-aurora-security-bulletin",
      "tags": [
        "Patch",
        "Third Party Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-119"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "In all android releases (Android for MSM, Firefox OS for MSM, QRD Android) from CAF using the linux kernel, improper length check can lead to out-of-bounds access in WLAN function."
    },
    {
      "lang": "es",
      "value": "En todas las distribuciones de Android de CAF (Android for MSM, Firefox OS for MSM y QRD Android) que utilizan el kernel de Linux, la comprobación incorrecta de tamaño puede conducir a un acceso fuera de límites en la función WLAN."
    }
  ],
  "lastModified": "2026-06-17T01:36:40.763",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:o:google:android:-:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "F8B9FEC8-73B6-43B8-B24E-1F7C20D91D26"
            }
          ],
          "operator": "OR"
        }
      ]
    }
  ],
  "sourceIdentifier": "product-security@qualcomm.com"
}