FKIE_CVE-2026-22627

Vulnerability from fkie_nvd - Published: 2026-03-10 18:18 - Updated: 2026-03-11 13:53
Severity ?
8.8 (High) - CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Summary
A buffer copy without checking size of input ('classic buffer overflow') vulnerability in Fortinet FortiSwitchAXFixed 1.0.0 through 1.0.1 may allow an unauthenticated attacker within the same adjacent network to execute unauthorized code or commands on the device via sending a crafted LLDP packet.
References
psirt@fortinet.comhttps://fortiguard.fortinet.com/psirt/FG-IR-26-086
Impacted products
Vendor Product Version
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{
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "A buffer copy without checking size of input (\u0027classic buffer overflow\u0027) vulnerability in Fortinet FortiSwitchAXFixed 1.0.0 through 1.0.1 may allow an unauthenticated attacker within the same adjacent network to execute unauthorized code or commands on the device via sending a crafted LLDP packet."
    },
    {
      "lang": "es",
      "value": "Una vulnerabilidad de copia de b\u00fafer sin verificar el tama\u00f1o de la entrada (\u0027desbordamiento de b\u00fafer cl\u00e1sico\u0027) en Fortinet FortiSwitchAXFixed 1.0.0 hasta 1.0.1 puede permitir a un atacante no autenticado dentro de la misma red adyacente ejecutar c\u00f3digo o comandos no autorizados en el dispositivo mediante el env\u00edo de un paquete LLDP manipulado."
    }
  ],
  "id": "CVE-2026-22627",
  "lastModified": "2026-03-11T13:53:20.707",
  "metrics": {
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "ADJACENT_NETWORK",
          "availabilityImpact": "HIGH",
          "baseScore": 8.8,
          "baseSeverity": "HIGH",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "privilegesRequired": "NONE",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
          "version": "3.1"
        },
        "exploitabilityScore": 2.8,
        "impactScore": 5.9,
        "source": "psirt@fortinet.com",
        "type": "Secondary"
      }
    ]
  },
  "published": "2026-03-10T18:18:12.570",
  "references": [
    {
      "source": "psirt@fortinet.com",
      "url": "https://fortiguard.fortinet.com/psirt/FG-IR-26-086"
    }
  ],
  "sourceIdentifier": "psirt@fortinet.com",
  "vulnStatus": "Awaiting Analysis",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-120"
        }
      ],
      "source": "psirt@fortinet.com",
      "type": "Primary"
    }
  ]
}


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  • 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.
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  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



Detection rules are retrieved from Rulezet.