{
  "document": {
    "category": "security_advisory",
    "csaf_version": "2.0",
    "distribution": {
      "tlp": {
        "label": "WHITE",
        "url": "https://www.first.org/tlp/"
      }
    },
    "lang": "en-US",
    "publisher": {
      "category": "vendor",
      "contact_details": "support@arista.com",
      "name": "Arista PSIRT",
      "namespace": "https://www.arista.com"
    },
    "references": [
      {
        "category": "self",
        "summary": "Security advisory 196 canonical URL",
        "url": "https://www.arista.com/en/support/advisories-notices/security-advisory/24812-security-advisory-0196"
      }
    ],
    "title": "Security Advisory 196",
    "tracking": {
      "current_release_date": "2026-10-06T07:37:43Z",
      "generator": {
        "engine": {
          "name": "Arista Networks SecEng Service CSAF Generator"
        }
      },
      "id": "Arista Networks Security Advisory 196",
      "initial_release_date": "2026-10-06T07:37:43Z",
      "revision_history": [
        {
          "date": "2026-10-06T07:37:43Z",
          "number": "1",
          "summary": "Document created"
        }
      ],
      "status": "final",
      "version": "1"
    }
  },
  "product_tree": {
    "branches": [
      {
        "branches": [
          {
            "branches": [
              {
                "branches": [
                  {
                    "category": "product_version",
                    "name": "WiFi version 21.4.0M-12",
                    "product": {
                      "name": "WiFi version 21.4.0M-12",
                      "product_id": "CSAFPID-0"
                    }
                  },
                  {
                    "category": "product_version",
                    "name": "WiFi version 1.0.0",
                    "product": {
                      "name": "WiFi version 1.0.0",
                      "product_id": "CSAFPID-2"
                    }
                  },
                  {
                    "category": "product_version",
                    "name": "WiFi version 22.1.1F-61",
                    "product": {
                      "name": "WiFi version 22.1.1F-61",
                      "product_id": "CSAFPID-1"
                    }
                  }
                ],
                "category": "product_name",
                "name": "WiFi"
              }
            ],
            "category": "product_family",
            "name": "Software Products"
          }
        ],
        "category": "vendor",
        "name": "Arista Networks, Inc."
      }
    ]
  },
  "vulnerabilities": [
    {
      "cve": "CVE-2026-102164",
      "id": {
        "system_name": "Arista Bug ID",
        "text": "1774082"
      },
      "notes": [
        {
          "category": "description",
          "text": "On affected Arista access points configured with VXLAN tunnelling and L2-proxy (a specific configuration unique to the VESPA use-case), a wireless client associated to the tunnelled SSID can send a crafted packet, causing the access point to reveal memory contents in network traffic. No write primitive or remote code execution is possible.",
          "title": "CVE Description"
        },
        {
          "category": "other",
          "text": "VXLAN tunnelling and L2-proxy must be configured on at least one SSID (a configuration specific to the VESPA use-case). A wireless client must be associated to the tunnelled SSID. If VXLAN tunnelling with L2-proxy is not configured, the access point is not exposed to this vulnerability.",
          "title": "1774082: Required Config for Exploitation"
        }
      ],
      "product_status": {
        "first_affected": [
          "CSAFPID-2"
        ],
        "fixed": [
          "CSAFPID-0",
          "CSAFPID-1"
        ]
      },
      "references": [
        {
          "category": "external",
          "summary": "MITRE",
          "url": "https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2026-102164"
        }
      ],
      "remediations": [
        {
          "category": "vendor_fix",
          "details": "Fixed in WiFi version wifi-v21.4.0M-12",
          "product_ids": [
            "CSAFPID-0"
          ]
        },
        {
          "category": "vendor_fix",
          "details": "Fixed in WiFi version wifi-v22.1.1F-61",
          "product_ids": [
            "CSAFPID-1"
          ]
        },
        {
          "category": "none_available",
          "details": "Not fixed in WiFi version mwm-v1.0.0",
          "product_ids": [
            "CSAFPID-2"
          ]
        },
        {
          "category": "mitigation",
          "details": "If VXLAN tunnelling with L2-proxy is not required, disabling this configuration eliminates exposure. Note: disabling L2-proxy will prevent DHCP proxying for wireless clients on VXLAN-tunnelled SSIDs; affected clients will be unable to obtain IP addresses and will lose network connectivity on those SSIDs."
        }
      ],
      "scores": [
        {
          "cvss_v3": {
            "baseScore": 3.1,
            "baseSeverity": "LOW",
            "vectorString": "CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N",
            "version": "3.1"
          },
          "products": [
            "CSAFPID-1",
            "CSAFPID-2",
            "CSAFPID-0"
          ]
        }
      ],
      "title": "CVE-2026-102164"
    }
  ]
}