CVE-2025-53843 (GCVE-0-2025-53843)

Vulnerability from cvelistv5 – Published: 2025-11-18 17:01 – Updated: 2026-10-15 01:09
VLAI
Summary
A stack-based buffer overflow vulnerability in Fortinet FortiOS 7.6.0 through 7.6.3, FortiOS 7.4.0 through 7.4.8, FortiOS 7.2 all versions, FortiOS 7.0 all versions, FortiOS 6.4 all versions allows attacker to execute unauthorized code or commands via specially crafted packets
SSVC
Exploitation: none Automatable: no Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-11-19 04:55 UTC
CWE
  • CWE-121 - Execute unauthorized code or commands
Assigner
fortinet CNA under the mitre root
CNA scorecard C 72/100 over 56 records in the last 180 days details
Impacted products
Vendor Product Version CPE status
Fortinet FortiOS Affected: 7.6.0 , ≤ 7.6.3 (semver)
Affected: 7.4.0 , ≤ 7.4.8 (semver)
Affected: 7.2.0 , ≤ 7.2.12 (semver)
Affected: 7.0.0 , ≤ 7.0.18 (semver)
Affected: 6.4.0 , ≤ 6.4.16 (semver)
    cpe:2.3:o:fortinet:fortios:7.6.3:*:*:*:*:*:*:*
    cpe:2.3:o:fortinet:fortios:7.6.2:*:*:*:*:*:*:*
    cpe:2.3:o:fortinet:fortios:7.6.1:*:*:*:*:*:*:*
    cpe:2.3:o:fortinet:fortios:7.6.0:*:*:*:*:*:*:*
    cpe:2.3:o:fortinet:fortios:7.4.8:*:*:*:*:*:*:*
    cpe:2.3:o:fortinet:fortios:7.4.7:*:*:*:*:*:*:*
    cpe:2.3:o:fortinet:fortios:7.4.6:*:*:*:*:*:*:*
    cpe:2.3:o:fortinet:fortios:7.4.5:*:*:*:*:*:*:*
    cpe:2.3:o:fortinet:fortios:7.4.4:*:*:*:*:*:*:*
    cpe:2.3:o:fortinet:fortios:7.4.3:*:*:*:*:*:*:*
    cpe:2.3:o:fortinet:fortios:7.4.2:*:*:*:*:*:*:*
    cpe:2.3:o:fortinet:fortios:7.4.1:*:*:*:*:*:*:*
    cpe:2.3:o:fortinet:fortios:7.4.0:*:*:*:*:*:*:*
    cpe:2.3:o:fortinet:fortios:7.2.12:*:*:*:*:*:*:*
    cpe:2.3:o:fortinet:fortios:7.2.11:*:*:*:*:*:*:*
    cpe:2.3:o:fortinet:fortios:7.2.10:*:*:*:*:*:*:*
    cpe:2.3:o:fortinet:fortios:7.2.9:*:*:*:*:*:*:*
    cpe:2.3:o:fortinet:fortios:7.2.8:*:*:*:*:*:*:*
    cpe:2.3:o:fortinet:fortios:7.2.7:*:*:*:*:*:*:*
    cpe:2.3:o:fortinet:fortios:7.2.6:*:*:*:*:*:*:*
    cpe:2.3:o:fortinet:fortios:7.2.5:*:*:*:*:*:*:*
    cpe:2.3:o:fortinet:fortios:7.2.4:*:*:*:*:*:*:*
    cpe:2.3:o:fortinet:fortios:7.2.3:*:*:*:*:*:*:*
    cpe:2.3:o:fortinet:fortios:7.2.2:*:*:*:*:*:*:*
    cpe:2.3:o:fortinet:fortios:7.2.1:*:*:*:*:*:*:*
    cpe:2.3:o:fortinet:fortios:7.2.0:*:*:*:*:*:*:*
    cpe:2.3:o:fortinet:fortios:7.0.18:*:*:*:*:*:*:*
    cpe:2.3:o:fortinet:fortios:7.0.17:*:*:*:*:*:*:*
    cpe:2.3:o:fortinet:fortios:7.0.16:*:*:*:*:*:*:*
    cpe:2.3:o:fortinet:fortios:7.0.15:*:*:*:*:*:*:*
    cpe:2.3:o:fortinet:fortios:7.0.14:*:*:*:*:*:*:*
    cpe:2.3:o:fortinet:fortios:7.0.13:*:*:*:*:*:*:*
    cpe:2.3:o:fortinet:fortios:7.0.12:*:*:*:*:*:*:*
    cpe:2.3:o:fortinet:fortios:7.0.11:*:*:*:*:*:*:*
    cpe:2.3:o:fortinet:fortios:7.0.10:*:*:*:*:*:*:*
    cpe:2.3:o:fortinet:fortios:7.0.9:*:*:*:*:*:*:*
    cpe:2.3:o:fortinet:fortios:7.0.8:*:*:*:*:*:*:*
    cpe:2.3:o:fortinet:fortios:7.0.7:*:*:*:*:*:*:*
    cpe:2.3:o:fortinet:fortios:7.0.6:*:*:*:*:*:*:*
    cpe:2.3:o:fortinet:fortios:7.0.5:*:*:*:*:*:*:*
    cpe:2.3:o:fortinet:fortios:7.0.4:*:*:*:*:*:*:*
    cpe:2.3:o:fortinet:fortios:7.0.3:*:*:*:*:*:*:*
    cpe:2.3:o:fortinet:fortios:7.0.2:*:*:*:*:*:*:*
    cpe:2.3:o:fortinet:fortios:7.0.1:*:*:*:*:*:*:*
    cpe:2.3:o:fortinet:fortios:7.0.0:*:*:*:*:*:*:*
    cpe:2.3:o:fortinet:fortios:6.4.16:*:*:*:*:*:*:*
    cpe:2.3:o:fortinet:fortios:6.4.15:*:*:*:*:*:*:*
    cpe:2.3:o:fortinet:fortios:6.4.14:*:*:*:*:*:*:*
    cpe:2.3:o:fortinet:fortios:6.4.13:*:*:*:*:*:*:*
    cpe:2.3:o:fortinet:fortios:6.4.12:*:*:*:*:*:*:*
    cpe:2.3:o:fortinet:fortios:6.4.11:*:*:*:*:*:*:*
    cpe:2.3:o:fortinet:fortios:6.4.10:*:*:*:*:*:*:*
    cpe:2.3:o:fortinet:fortios:6.4.9:*:*:*:*:*:*:*
    cpe:2.3:o:fortinet:fortios:6.4.8:*:*:*:*:*:*:*
    cpe:2.3:o:fortinet:fortios:6.4.7:*:*:*:*:*:*:*
    cpe:2.3:o:fortinet:fortios:6.4.6:*:*:*:*:*:*:*
    cpe:2.3:o:fortinet:fortios:6.4.5:*:*:*:*:*:*:*
    cpe:2.3:o:fortinet:fortios:6.4.4:*:*:*:*:*:*:*
    cpe:2.3:o:fortinet:fortios:6.4.3:*:*:*:*:*:*:*
    cpe:2.3:o:fortinet:fortios:6.4.2:*:*:*:*:*:*:*
    cpe:2.3:o:fortinet:fortios:6.4.1:*:*:*:*:*:*:*
    cpe:2.3:o:fortinet:fortios:6.4.0:*:*:*:*:*:*:*
Create a notification for this product.
Siemens RUGGEDCOM APE1808 Affected: 0 , < * (custom)
guessed Create a notification for this product.
Show details on NVD website

{
  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2025-53843",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "total"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2025-11-19T04:55:32.869143Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2026-02-26T16:21:10.841Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      },
      {
        "affected": [
          {
            "defaultStatus": "unknown",
            "product": "RUGGEDCOM APE1808",
            "vendor": "Siemens",
            "versions": [
              {
                "lessThan": "*",
                "status": "affected",
                "version": "0",
                "versionType": "custom"
              }
            ]
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2026-10-15T01:09:15.880Z",
          "orgId": "0b142b55-0307-4c5a-b3c9-f314f3fb7c5e",
          "shortName": "siemens-SADP"
        },
        "references": [
          {
            "url": "https://cert-portal.siemens.com/productcert/html/ssa-864900.html"
          }
        ],
        "x_adpType": "supplier"
      }
    ],
    "cna": {
      "affected": [
        {
          "cpes": [
            "cpe:2.3:o:fortinet:fortios:7.6.3:*:*:*:*:*:*:*",
            "cpe:2.3:o:fortinet:fortios:7.6.2:*:*:*:*:*:*:*",
            "cpe:2.3:o:fortinet:fortios:7.6.1:*:*:*:*:*:*:*",
            "cpe:2.3:o:fortinet:fortios:7.6.0:*:*:*:*:*:*:*",
            "cpe:2.3:o:fortinet:fortios:7.4.8:*:*:*:*:*:*:*",
            "cpe:2.3:o:fortinet:fortios:7.4.7:*:*:*:*:*:*:*",
            "cpe:2.3:o:fortinet:fortios:7.4.6:*:*:*:*:*:*:*",
            "cpe:2.3:o:fortinet:fortios:7.4.5:*:*:*:*:*:*:*",
            "cpe:2.3:o:fortinet:fortios:7.4.4:*:*:*:*:*:*:*",
            "cpe:2.3:o:fortinet:fortios:7.4.3:*:*:*:*:*:*:*",
            "cpe:2.3:o:fortinet:fortios:7.4.2:*:*:*:*:*:*:*",
            "cpe:2.3:o:fortinet:fortios:7.4.1:*:*:*:*:*:*:*",
            "cpe:2.3:o:fortinet:fortios:7.4.0:*:*:*:*:*:*:*",
            "cpe:2.3:o:fortinet:fortios:7.2.12:*:*:*:*:*:*:*",
            "cpe:2.3:o:fortinet:fortios:7.2.11:*:*:*:*:*:*:*",
            "cpe:2.3:o:fortinet:fortios:7.2.10:*:*:*:*:*:*:*",
            "cpe:2.3:o:fortinet:fortios:7.2.9:*:*:*:*:*:*:*",
            "cpe:2.3:o:fortinet:fortios:7.2.8:*:*:*:*:*:*:*",
            "cpe:2.3:o:fortinet:fortios:7.2.7:*:*:*:*:*:*:*",
            "cpe:2.3:o:fortinet:fortios:7.2.6:*:*:*:*:*:*:*",
            "cpe:2.3:o:fortinet:fortios:7.2.5:*:*:*:*:*:*:*",
            "cpe:2.3:o:fortinet:fortios:7.2.4:*:*:*:*:*:*:*",
            "cpe:2.3:o:fortinet:fortios:7.2.3:*:*:*:*:*:*:*",
            "cpe:2.3:o:fortinet:fortios:7.2.2:*:*:*:*:*:*:*",
            "cpe:2.3:o:fortinet:fortios:7.2.1:*:*:*:*:*:*:*",
            "cpe:2.3:o:fortinet:fortios:7.2.0:*:*:*:*:*:*:*",
            "cpe:2.3:o:fortinet:fortios:7.0.18:*:*:*:*:*:*:*",
            "cpe:2.3:o:fortinet:fortios:7.0.17:*:*:*:*:*:*:*",
            "cpe:2.3:o:fortinet:fortios:7.0.16:*:*:*:*:*:*:*",
            "cpe:2.3:o:fortinet:fortios:7.0.15:*:*:*:*:*:*:*",
            "cpe:2.3:o:fortinet:fortios:7.0.14:*:*:*:*:*:*:*",
            "cpe:2.3:o:fortinet:fortios:7.0.13:*:*:*:*:*:*:*",
            "cpe:2.3:o:fortinet:fortios:7.0.12:*:*:*:*:*:*:*",
            "cpe:2.3:o:fortinet:fortios:7.0.11:*:*:*:*:*:*:*",
            "cpe:2.3:o:fortinet:fortios:7.0.10:*:*:*:*:*:*:*",
            "cpe:2.3:o:fortinet:fortios:7.0.9:*:*:*:*:*:*:*",
            "cpe:2.3:o:fortinet:fortios:7.0.8:*:*:*:*:*:*:*",
            "cpe:2.3:o:fortinet:fortios:7.0.7:*:*:*:*:*:*:*",
            "cpe:2.3:o:fortinet:fortios:7.0.6:*:*:*:*:*:*:*",
            "cpe:2.3:o:fortinet:fortios:7.0.5:*:*:*:*:*:*:*",
            "cpe:2.3:o:fortinet:fortios:7.0.4:*:*:*:*:*:*:*",
            "cpe:2.3:o:fortinet:fortios:7.0.3:*:*:*:*:*:*:*",
            "cpe:2.3:o:fortinet:fortios:7.0.2:*:*:*:*:*:*:*",
            "cpe:2.3:o:fortinet:fortios:7.0.1:*:*:*:*:*:*:*",
            "cpe:2.3:o:fortinet:fortios:7.0.0:*:*:*:*:*:*:*",
            "cpe:2.3:o:fortinet:fortios:6.4.16:*:*:*:*:*:*:*",
            "cpe:2.3:o:fortinet:fortios:6.4.15:*:*:*:*:*:*:*",
            "cpe:2.3:o:fortinet:fortios:6.4.14:*:*:*:*:*:*:*",
            "cpe:2.3:o:fortinet:fortios:6.4.13:*:*:*:*:*:*:*",
            "cpe:2.3:o:fortinet:fortios:6.4.12:*:*:*:*:*:*:*",
            "cpe:2.3:o:fortinet:fortios:6.4.11:*:*:*:*:*:*:*",
            "cpe:2.3:o:fortinet:fortios:6.4.10:*:*:*:*:*:*:*",
            "cpe:2.3:o:fortinet:fortios:6.4.9:*:*:*:*:*:*:*",
            "cpe:2.3:o:fortinet:fortios:6.4.8:*:*:*:*:*:*:*",
            "cpe:2.3:o:fortinet:fortios:6.4.7:*:*:*:*:*:*:*",
            "cpe:2.3:o:fortinet:fortios:6.4.6:*:*:*:*:*:*:*",
            "cpe:2.3:o:fortinet:fortios:6.4.5:*:*:*:*:*:*:*",
            "cpe:2.3:o:fortinet:fortios:6.4.4:*:*:*:*:*:*:*",
            "cpe:2.3:o:fortinet:fortios:6.4.3:*:*:*:*:*:*:*",
            "cpe:2.3:o:fortinet:fortios:6.4.2:*:*:*:*:*:*:*",
            "cpe:2.3:o:fortinet:fortios:6.4.1:*:*:*:*:*:*:*",
            "cpe:2.3:o:fortinet:fortios:6.4.0:*:*:*:*:*:*:*"
          ],
          "defaultStatus": "unaffected",
          "product": "FortiOS",
          "vendor": "Fortinet",
          "versions": [
            {
              "lessThanOrEqual": "7.6.3",
              "status": "affected",
              "version": "7.6.0",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "7.4.8",
              "status": "affected",
              "version": "7.4.0",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "7.2.12",
              "status": "affected",
              "version": "7.2.0",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "7.0.18",
              "status": "affected",
              "version": "7.0.0",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.4.16",
              "status": "affected",
              "version": "6.4.0",
              "versionType": "semver"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "A stack-based buffer overflow vulnerability in Fortinet FortiOS 7.6.0 through 7.6.3, FortiOS 7.4.0 through 7.4.8, FortiOS 7.2 all versions, FortiOS 7.0 all versions, FortiOS 6.4 all versions allows attacker to execute unauthorized code or commands via specially crafted packets"
        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
            "attackComplexity": "HIGH",
            "attackVector": "NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 6.9,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "HIGH",
            "privilegesRequired": "LOW",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H/E:P/RL:W/RC:C",
            "version": "3.1"
          },
          "format": "CVSS"
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-121",
              "description": "Execute unauthorized code or commands",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-01-15T14:53:16.203Z",
        "orgId": "6abe59d8-c742-4dff-8ce8-9b0ca1073da8",
        "shortName": "fortinet"
      },
      "references": [
        {
          "name": "https://fortiguard.fortinet.com/psirt/FG-IR-25-358",
          "url": "https://fortiguard.fortinet.com/psirt/FG-IR-25-358"
        }
      ],
      "solutions": [
        {
          "lang": "en",
          "value": "Fortinet remediated this issue in FortiSASE version 25.3.c and hence customers do not need to perform any action.\nFortinet remediated this issue in FortiEdgeCloud version 25.3 and hence customers do not need to perform any action.\nUpgrade to FortiSwitchManager version 7.2.7 or above\nUpgrade to FortiSwitchManager version 7.0.6 or above\nUpgrade to upcoming  FortiOS version 8.0.0 or above\nUpgrade to FortiOS version 7.6.4 or above\nUpgrade to FortiOS version 7.4.9 or above"
        }
      ]
    }
  },
  "cveMetadata": {
    "assignerOrgId": "6abe59d8-c742-4dff-8ce8-9b0ca1073da8",
    "assignerShortName": "fortinet",
    "cveId": "CVE-2025-53843",
    "datePublished": "2025-11-18T17:01:28.239Z",
    "dateReserved": "2025-07-10T08:53:33.014Z",
    "dateUpdated": "2026-10-15T01:09:15.880Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2",
  "vulnerability-lookup:meta": {
    "epss": {
      "cve": "CVE-2025-53843",
      "date": "2026-10-18",
      "epss": "0.00589",
      "percentile": "0.47088"
    },
    "nvd": {
      "cve": {
        "affected": [
          {
            "affectedData": [
              {
                "cpes": [
                  "cpe:2.3:o:fortinet:fortios:7.6.3:*:*:*:*:*:*:*",
                  "cpe:2.3:o:fortinet:fortios:7.6.2:*:*:*:*:*:*:*",
                  "cpe:2.3:o:fortinet:fortios:7.6.1:*:*:*:*:*:*:*",
                  "cpe:2.3:o:fortinet:fortios:7.6.0:*:*:*:*:*:*:*",
                  "cpe:2.3:o:fortinet:fortios:7.4.8:*:*:*:*:*:*:*",
                  "cpe:2.3:o:fortinet:fortios:7.4.7:*:*:*:*:*:*:*",
                  "cpe:2.3:o:fortinet:fortios:7.4.6:*:*:*:*:*:*:*",
                  "cpe:2.3:o:fortinet:fortios:7.4.5:*:*:*:*:*:*:*",
                  "cpe:2.3:o:fortinet:fortios:7.4.4:*:*:*:*:*:*:*",
                  "cpe:2.3:o:fortinet:fortios:7.4.3:*:*:*:*:*:*:*",
                  "cpe:2.3:o:fortinet:fortios:7.4.2:*:*:*:*:*:*:*",
                  "cpe:2.3:o:fortinet:fortios:7.4.1:*:*:*:*:*:*:*",
                  "cpe:2.3:o:fortinet:fortios:7.4.0:*:*:*:*:*:*:*",
                  "cpe:2.3:o:fortinet:fortios:7.2.12:*:*:*:*:*:*:*",
                  "cpe:2.3:o:fortinet:fortios:7.2.11:*:*:*:*:*:*:*",
                  "cpe:2.3:o:fortinet:fortios:7.2.10:*:*:*:*:*:*:*",
                  "cpe:2.3:o:fortinet:fortios:7.2.9:*:*:*:*:*:*:*",
                  "cpe:2.3:o:fortinet:fortios:7.2.8:*:*:*:*:*:*:*",
                  "cpe:2.3:o:fortinet:fortios:7.2.7:*:*:*:*:*:*:*",
                  "cpe:2.3:o:fortinet:fortios:7.2.6:*:*:*:*:*:*:*",
                  "cpe:2.3:o:fortinet:fortios:7.2.5:*:*:*:*:*:*:*",
                  "cpe:2.3:o:fortinet:fortios:7.2.4:*:*:*:*:*:*:*",
                  "cpe:2.3:o:fortinet:fortios:7.2.3:*:*:*:*:*:*:*",
                  "cpe:2.3:o:fortinet:fortios:7.2.2:*:*:*:*:*:*:*",
                  "cpe:2.3:o:fortinet:fortios:7.2.1:*:*:*:*:*:*:*",
                  "cpe:2.3:o:fortinet:fortios:7.2.0:*:*:*:*:*:*:*",
                  "cpe:2.3:o:fortinet:fortios:7.0.18:*:*:*:*:*:*:*",
                  "cpe:2.3:o:fortinet:fortios:7.0.17:*:*:*:*:*:*:*",
                  "cpe:2.3:o:fortinet:fortios:7.0.16:*:*:*:*:*:*:*",
                  "cpe:2.3:o:fortinet:fortios:7.0.15:*:*:*:*:*:*:*",
                  "cpe:2.3:o:fortinet:fortios:7.0.14:*:*:*:*:*:*:*",
                  "cpe:2.3:o:fortinet:fortios:7.0.13:*:*:*:*:*:*:*",
                  "cpe:2.3:o:fortinet:fortios:7.0.12:*:*:*:*:*:*:*",
                  "cpe:2.3:o:fortinet:fortios:7.0.11:*:*:*:*:*:*:*",
                  "cpe:2.3:o:fortinet:fortios:7.0.10:*:*:*:*:*:*:*",
                  "cpe:2.3:o:fortinet:fortios:7.0.9:*:*:*:*:*:*:*",
                  "cpe:2.3:o:fortinet:fortios:7.0.8:*:*:*:*:*:*:*",
                  "cpe:2.3:o:fortinet:fortios:7.0.7:*:*:*:*:*:*:*",
                  "cpe:2.3:o:fortinet:fortios:7.0.6:*:*:*:*:*:*:*",
                  "cpe:2.3:o:fortinet:fortios:7.0.5:*:*:*:*:*:*:*",
                  "cpe:2.3:o:fortinet:fortios:7.0.4:*:*:*:*:*:*:*",
                  "cpe:2.3:o:fortinet:fortios:7.0.3:*:*:*:*:*:*:*",
                  "cpe:2.3:o:fortinet:fortios:7.0.2:*:*:*:*:*:*:*",
                  "cpe:2.3:o:fortinet:fortios:7.0.1:*:*:*:*:*:*:*",
                  "cpe:2.3:o:fortinet:fortios:7.0.0:*:*:*:*:*:*:*",
                  "cpe:2.3:o:fortinet:fortios:6.4.16:*:*:*:*:*:*:*",
                  "cpe:2.3:o:fortinet:fortios:6.4.15:*:*:*:*:*:*:*",
                  "cpe:2.3:o:fortinet:fortios:6.4.14:*:*:*:*:*:*:*",
                  "cpe:2.3:o:fortinet:fortios:6.4.13:*:*:*:*:*:*:*",
                  "cpe:2.3:o:fortinet:fortios:6.4.12:*:*:*:*:*:*:*",
                  "cpe:2.3:o:fortinet:fortios:6.4.11:*:*:*:*:*:*:*",
                  "cpe:2.3:o:fortinet:fortios:6.4.10:*:*:*:*:*:*:*",
                  "cpe:2.3:o:fortinet:fortios:6.4.9:*:*:*:*:*:*:*",
                  "cpe:2.3:o:fortinet:fortios:6.4.8:*:*:*:*:*:*:*",
                  "cpe:2.3:o:fortinet:fortios:6.4.7:*:*:*:*:*:*:*",
                  "cpe:2.3:o:fortinet:fortios:6.4.6:*:*:*:*:*:*:*",
                  "cpe:2.3:o:fortinet:fortios:6.4.5:*:*:*:*:*:*:*",
                  "cpe:2.3:o:fortinet:fortios:6.4.4:*:*:*:*:*:*:*",
                  "cpe:2.3:o:fortinet:fortios:6.4.3:*:*:*:*:*:*:*",
                  "cpe:2.3:o:fortinet:fortios:6.4.2:*:*:*:*:*:*:*",
                  "cpe:2.3:o:fortinet:fortios:6.4.1:*:*:*:*:*:*:*",
                  "cpe:2.3:o:fortinet:fortios:6.4.0:*:*:*:*:*:*:*"
                ],
                "defaultStatus": "unaffected",
                "product": "FortiOS",
                "vendor": "Fortinet",
                "versions": [
                  {
                    "lessThanOrEqual": "7.6.3",
                    "status": "affected",
                    "version": "7.6.0",
                    "versionType": "semver"
                  },
                  {
                    "lessThanOrEqual": "7.4.8",
                    "status": "affected",
                    "version": "7.4.0",
                    "versionType": "semver"
                  },
                  {
                    "lessThanOrEqual": "7.2.12",
                    "status": "affected",
                    "version": "7.2.0",
                    "versionType": "semver"
                  },
                  {
                    "lessThanOrEqual": "7.0.18",
                    "status": "affected",
                    "version": "7.0.0",
                    "versionType": "semver"
                  },
                  {
                    "lessThanOrEqual": "6.4.16",
                    "status": "affected",
                    "version": "6.4.0",
                    "versionType": "semver"
                  }
                ]
              }
            ],
            "source": "psirt@fortinet.com"
          },
          {
            "affectedData": [
              {
                "defaultStatus": "unknown",
                "product": "RUGGEDCOM APE1808",
                "vendor": "Siemens",
                "versions": [
                  {
                    "lessThan": "*",
                    "status": "affected",
                    "version": "0",
                    "versionType": "custom"
                  }
                ]
              }
            ],
            "source": "0b142b55-0307-4c5a-b3c9-f314f3fb7c5e"
          }
        ],
        "configurations": [
          {
            "nodes": [
              {
                "cpeMatch": [
                  {
                    "criteria": "cpe:2.3:o:fortinet:fortios:*:*:*:*:*:*:*:*",
                    "matchCriteriaId": "1B6548FD-E370-45D7-81D5-6EF892810052",
                    "versionEndExcluding": "7.4.9",
                    "versionStartIncluding": "6.4.0",
                    "vulnerable": true
                  },
                  {
                    "criteria": "cpe:2.3:o:fortinet:fortios:*:*:*:*:*:*:*:*",
                    "matchCriteriaId": "C1C30E0D-7F09-42D2-9EB1-E2196BD50D75",
                    "versionEndExcluding": "7.6.4",
                    "versionStartIncluding": "7.6.0",
                    "vulnerable": true
                  }
                ],
                "negate": false,
                "operator": "OR"
              }
            ]
          }
        ],
        "cveTags": [],
        "descriptions": [
          {
            "lang": "en",
            "value": "A stack-based buffer overflow vulnerability in Fortinet FortiOS 7.6.0 through 7.6.3, FortiOS 7.4.0 through 7.4.8, FortiOS 7.2 all versions, FortiOS 7.0 all versions, FortiOS 6.4 all versions allows attacker to execute unauthorized code or commands via specially crafted packets"
          },
          {
            "lang": "es",
            "value": "Una vulnerabilidad de desbordamiento de b\u00fafer basado en pila en Fortinet FortiOS 7.6.0 hasta 7.6.3, FortiOS 7.4.0 hasta 7.4.8, FortiOS 7.2 todas las versiones, FortiOS 7.0 todas las versiones, FortiOS 6.4 todas las versiones permite al atacante ejecutar c\u00f3digo o comandos no autorizados mediante paquetes especialmente dise\u00f1ados."
          }
        ],
        "id": "CVE-2025-53843",
        "lastModified": "2026-10-18T20:10:00.110",
        "metrics": {
          "cvssMetricV31": [
            {
              "cvssData": {
                "attackComplexity": "HIGH",
                "attackVector": "NETWORK",
                "availabilityImpact": "HIGH",
                "baseScore": 7.5,
                "baseSeverity": "HIGH",
                "confidentialityImpact": "HIGH",
                "integrityImpact": "HIGH",
                "privilegesRequired": "LOW",
                "scope": "UNCHANGED",
                "userInteraction": "NONE",
                "vectorString": "CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H",
                "version": "3.1"
              },
              "exploitabilityScore": 1.6,
              "impactScore": 5.9,
              "source": "psirt@fortinet.com",
              "type": "Secondary"
            }
          ],
          "ssvcV203": [
            {
              "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
              "ssvcData": {
                "id": "CVE-2025-53843",
                "options": [
                  {
                    "exploitation": "none"
                  },
                  {
                    "automatable": "no"
                  },
                  {
                    "technicalImpact": "total"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2025-11-19T04:55:32.869143Z",
                "version": "2.0.3"
              }
            }
          ]
        },
        "published": "2025-11-18T17:16:03.033",
        "references": [
          {
            "source": "psirt@fortinet.com",
            "tags": [
              "Vendor Advisory"
            ],
            "url": "https://fortiguard.fortinet.com/psirt/FG-IR-25-358"
          },
          {
            "source": "0b142b55-0307-4c5a-b3c9-f314f3fb7c5e",
            "url": "https://cert-portal.siemens.com/productcert/html/ssa-864900.html"
          }
        ],
        "sourceIdentifier": "psirt@fortinet.com",
        "vulnStatus": "Modified",
        "weaknesses": [
          {
            "description": [
              {
                "lang": "en",
                "value": "CWE-121"
              }
            ],
            "source": "psirt@fortinet.com",
            "type": "Secondary"
          }
        ]
      }
    },
    "redhat_vex": {
      "current_release_date": "2026-03-27T08:32:10+00:00",
      "cve": "CVE-2025-53843",
      "id": "CVE-2025-53843",
      "initial_release_date": "2025-01-01T00:00:00+00:00",
      "product_status:known_not_affected": "1",
      "source": "Red Hat CSAF VEX",
      "status": "final",
      "title": "CVE-2025-53843",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2025/cve-2025-53843.json",
      "version": "3"
    },
    "vulnrichment": {
      "containers": {
        "adp": [
          {
            "affected": [
              {
                "defaultStatus": "unknown",
                "product": "RUGGEDCOM APE1808",
                "vendor": "Siemens",
                "versions": [
                  {
                    "lessThan": "*",
                    "status": "affected",
                    "version": "0",
                    "versionType": "custom"
                  }
                ]
              }
            ],
            "providerMetadata": {
              "dateUpdated": "2026-08-11T12:23:07.706Z",
              "orgId": "0b142b55-0307-4c5a-b3c9-f314f3fb7c5e",
              "shortName": "siemens-SADP"
            },
            "references": [
              {
                "url": "https://cert-portal.siemens.com/productcert/html/ssa-864900.html"
              }
            ],
            "x_adpType": "supplier"
          },
          {
            "metrics": [
              {
                "other": {
                  "content": {
                    "id": "CVE-2025-53843",
                    "options": [
                      {
                        "Exploitation": "none"
                      },
                      {
                        "Automatable": "no"
                      },
                      {
                        "Technical Impact": "total"
                      }
                    ],
                    "role": "CISA Coordinator",
                    "timestamp": "2025-11-19T04:55:32.869143Z",
                    "version": "2.0.3"
                  },
                  "type": "ssvc"
                }
              }
            ],
            "providerMetadata": {
              "dateUpdated": "2025-11-18T20:21:09.540Z",
              "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
              "shortName": "CISA-ADP"
            },
            "title": "CISA ADP Vulnrichment"
          }
        ],
        "cna": {
          "affected": [
            {
              "cpes": [
                "cpe:2.3:o:fortinet:fortios:7.6.3:*:*:*:*:*:*:*",
                "cpe:2.3:o:fortinet:fortios:7.6.2:*:*:*:*:*:*:*",
                "cpe:2.3:o:fortinet:fortios:7.6.1:*:*:*:*:*:*:*",
                "cpe:2.3:o:fortinet:fortios:7.6.0:*:*:*:*:*:*:*",
                "cpe:2.3:o:fortinet:fortios:7.4.8:*:*:*:*:*:*:*",
                "cpe:2.3:o:fortinet:fortios:7.4.7:*:*:*:*:*:*:*",
                "cpe:2.3:o:fortinet:fortios:7.4.6:*:*:*:*:*:*:*",
                "cpe:2.3:o:fortinet:fortios:7.4.5:*:*:*:*:*:*:*",
                "cpe:2.3:o:fortinet:fortios:7.4.4:*:*:*:*:*:*:*",
                "cpe:2.3:o:fortinet:fortios:7.4.3:*:*:*:*:*:*:*",
                "cpe:2.3:o:fortinet:fortios:7.4.2:*:*:*:*:*:*:*",
                "cpe:2.3:o:fortinet:fortios:7.4.1:*:*:*:*:*:*:*",
                "cpe:2.3:o:fortinet:fortios:7.4.0:*:*:*:*:*:*:*",
                "cpe:2.3:o:fortinet:fortios:7.2.12:*:*:*:*:*:*:*",
                "cpe:2.3:o:fortinet:fortios:7.2.11:*:*:*:*:*:*:*",
                "cpe:2.3:o:fortinet:fortios:7.2.10:*:*:*:*:*:*:*",
                "cpe:2.3:o:fortinet:fortios:7.2.9:*:*:*:*:*:*:*",
                "cpe:2.3:o:fortinet:fortios:7.2.8:*:*:*:*:*:*:*",
                "cpe:2.3:o:fortinet:fortios:7.2.7:*:*:*:*:*:*:*",
                "cpe:2.3:o:fortinet:fortios:7.2.6:*:*:*:*:*:*:*",
                "cpe:2.3:o:fortinet:fortios:7.2.5:*:*:*:*:*:*:*",
                "cpe:2.3:o:fortinet:fortios:7.2.4:*:*:*:*:*:*:*",
                "cpe:2.3:o:fortinet:fortios:7.2.3:*:*:*:*:*:*:*",
                "cpe:2.3:o:fortinet:fortios:7.2.2:*:*:*:*:*:*:*",
                "cpe:2.3:o:fortinet:fortios:7.2.1:*:*:*:*:*:*:*",
                "cpe:2.3:o:fortinet:fortios:7.2.0:*:*:*:*:*:*:*",
                "cpe:2.3:o:fortinet:fortios:7.0.18:*:*:*:*:*:*:*",
                "cpe:2.3:o:fortinet:fortios:7.0.17:*:*:*:*:*:*:*",
                "cpe:2.3:o:fortinet:fortios:7.0.16:*:*:*:*:*:*:*",
                "cpe:2.3:o:fortinet:fortios:7.0.15:*:*:*:*:*:*:*",
                "cpe:2.3:o:fortinet:fortios:7.0.14:*:*:*:*:*:*:*",
                "cpe:2.3:o:fortinet:fortios:7.0.13:*:*:*:*:*:*:*",
                "cpe:2.3:o:fortinet:fortios:7.0.12:*:*:*:*:*:*:*",
                "cpe:2.3:o:fortinet:fortios:7.0.11:*:*:*:*:*:*:*",
                "cpe:2.3:o:fortinet:fortios:7.0.10:*:*:*:*:*:*:*",
                "cpe:2.3:o:fortinet:fortios:7.0.9:*:*:*:*:*:*:*",
                "cpe:2.3:o:fortinet:fortios:7.0.8:*:*:*:*:*:*:*",
                "cpe:2.3:o:fortinet:fortios:7.0.7:*:*:*:*:*:*:*",
                "cpe:2.3:o:fortinet:fortios:7.0.6:*:*:*:*:*:*:*",
                "cpe:2.3:o:fortinet:fortios:7.0.5:*:*:*:*:*:*:*",
                "cpe:2.3:o:fortinet:fortios:7.0.4:*:*:*:*:*:*:*",
                "cpe:2.3:o:fortinet:fortios:7.0.3:*:*:*:*:*:*:*",
                "cpe:2.3:o:fortinet:fortios:7.0.2:*:*:*:*:*:*:*",
                "cpe:2.3:o:fortinet:fortios:7.0.1:*:*:*:*:*:*:*",
                "cpe:2.3:o:fortinet:fortios:7.0.0:*:*:*:*:*:*:*",
                "cpe:2.3:o:fortinet:fortios:6.4.16:*:*:*:*:*:*:*",
                "cpe:2.3:o:fortinet:fortios:6.4.15:*:*:*:*:*:*:*",
                "cpe:2.3:o:fortinet:fortios:6.4.14:*:*:*:*:*:*:*",
                "cpe:2.3:o:fortinet:fortios:6.4.13:*:*:*:*:*:*:*",
                "cpe:2.3:o:fortinet:fortios:6.4.12:*:*:*:*:*:*:*",
                "cpe:2.3:o:fortinet:fortios:6.4.11:*:*:*:*:*:*:*",
                "cpe:2.3:o:fortinet:fortios:6.4.10:*:*:*:*:*:*:*",
                "cpe:2.3:o:fortinet:fortios:6.4.9:*:*:*:*:*:*:*",
                "cpe:2.3:o:fortinet:fortios:6.4.8:*:*:*:*:*:*:*",
                "cpe:2.3:o:fortinet:fortios:6.4.7:*:*:*:*:*:*:*",
                "cpe:2.3:o:fortinet:fortios:6.4.6:*:*:*:*:*:*:*",
                "cpe:2.3:o:fortinet:fortios:6.4.5:*:*:*:*:*:*:*",
                "cpe:2.3:o:fortinet:fortios:6.4.4:*:*:*:*:*:*:*",
                "cpe:2.3:o:fortinet:fortios:6.4.3:*:*:*:*:*:*:*",
                "cpe:2.3:o:fortinet:fortios:6.4.2:*:*:*:*:*:*:*",
                "cpe:2.3:o:fortinet:fortios:6.4.1:*:*:*:*:*:*:*",
                "cpe:2.3:o:fortinet:fortios:6.4.0:*:*:*:*:*:*:*"
              ],
              "defaultStatus": "unaffected",
              "product": "FortiOS",
              "vendor": "Fortinet",
              "versions": [
                {
                  "lessThanOrEqual": "7.6.3",
                  "status": "affected",
                  "version": "7.6.0",
                  "versionType": "semver"
                },
                {
                  "lessThanOrEqual": "7.4.8",
                  "status": "affected",
                  "version": "7.4.0",
                  "versionType": "semver"
                },
                {
                  "lessThanOrEqual": "7.2.12",
                  "status": "affected",
                  "version": "7.2.0",
                  "versionType": "semver"
                },
                {
                  "lessThanOrEqual": "7.0.18",
                  "status": "affected",
                  "version": "7.0.0",
                  "versionType": "semver"
                },
                {
                  "lessThanOrEqual": "6.4.16",
                  "status": "affected",
                  "version": "6.4.0",
                  "versionType": "semver"
                }
              ]
            }
          ],
          "descriptions": [
            {
              "lang": "en",
              "value": "A stack-based buffer overflow vulnerability in Fortinet FortiOS 7.6.0 through 7.6.3, FortiOS 7.4.0 through 7.4.8, FortiOS 7.2 all versions, FortiOS 7.0 all versions, FortiOS 6.4 all versions allows attacker to execute unauthorized code or commands via specially crafted packets"
            }
          ],
          "metrics": [
            {
              "cvssV3_1": {
                "attackComplexity": "HIGH",
                "attackVector": "NETWORK",
                "availabilityImpact": "HIGH",
                "baseScore": 6.9,
                "baseSeverity": "MEDIUM",
                "confidentialityImpact": "HIGH",
                "integrityImpact": "HIGH",
                "privilegesRequired": "LOW",
                "scope": "UNCHANGED",
                "userInteraction": "NONE",
                "vectorString": "CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H/E:P/RL:W/RC:C",
                "version": "3.1"
              },
              "format": "CVSS"
            }
          ],
          "problemTypes": [
            {
              "descriptions": [
                {
                  "cweId": "CWE-121",
                  "description": "Execute unauthorized code or commands",
                  "lang": "en",
                  "type": "CWE"
                }
              ]
            }
          ],
          "providerMetadata": {
            "dateUpdated": "2026-01-15T14:53:16.203Z",
            "orgId": "6abe59d8-c742-4dff-8ce8-9b0ca1073da8",
            "shortName": "fortinet"
          },
          "references": [
            {
              "name": "https://fortiguard.fortinet.com/psirt/FG-IR-25-358",
              "url": "https://fortiguard.fortinet.com/psirt/FG-IR-25-358"
            }
          ],
          "solutions": [
            {
              "lang": "en",
              "value": "Fortinet remediated this issue in FortiSASE version 25.3.c and hence customers do not need to perform any action.\nFortinet remediated this issue in FortiEdgeCloud version 25.3 and hence customers do not need to perform any action.\nUpgrade to FortiSwitchManager version 7.2.7 or above\nUpgrade to FortiSwitchManager version 7.0.6 or above\nUpgrade to upcoming  FortiOS version 8.0.0 or above\nUpgrade to FortiOS version 7.6.4 or above\nUpgrade to FortiOS version 7.4.9 or above"
            }
          ]
        }
      },
      "cveMetadata": {
        "assignerOrgId": "6abe59d8-c742-4dff-8ce8-9b0ca1073da8",
        "assignerShortName": "fortinet",
        "cveId": "CVE-2025-53843",
        "datePublished": "2025-11-18T17:01:28.239Z",
        "dateReserved": "2025-07-10T08:53:33.014Z",
        "dateUpdated": "2026-08-11T12:23:07.706Z",
        "state": "PUBLISHED"
      },
      "dataType": "CVE_RECORD",
      "dataVersion": "5.2"
    }
  }
}



Log in or create an account to share your comment.




Tags
Taxonomy of the tags.


Loading…

Loading…

Loading…

Drag nodes to arrange them. Double-click a related vulnerability to open it, or a source to visit its link. The Physics button on the left tunes the layout and the simulation; the legend at the bottom left hides or shows nodes by kind and by sighting type.

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.

Sightings

Author Source Type Date Other

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
Vulnerability timeline

Sightings and recorded dates, grouped by day · UTC

JSON
Events included in the timeline

Loading timeline…


    Loading…

    Loading…

    Loading…

    Related by attack behaviour

    Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.