{
  "schemaVersion": 1,
  "attribution": [
    {
      "source": "CISA Known Exploited Vulnerabilities",
      "url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog",
      "licence": "US government work"
    },
    {
      "source": "GitHub Advisory Database",
      "url": "https://github.com/advisories",
      "licence": "CC BY 4.0"
    },
    {
      "source": "Have I Been Pwned",
      "url": "https://haveibeenpwned.com/",
      "licence": "CC BY 4.0"
    },
    {
      "source": "CVE Program (CVE records)",
      "url": "https://www.cve.org/Legal/TermsOfUse",
      "licence": "CVE Terms of Use",
      "notice": "Copyright © 1999-2026, The MITRE Corporation. CVE is a trademark and the CVE logo is a registered trademark of The MITRE Corporation.",
      "terms": "CVE Usage: MITRE hereby grants you a perpetual, worldwide, non-exclusive, no-charge, royalty-free, irrevocable copyright license to reproduce, prepare derivative works of, publicly display, publicly perform, sublicense, and distribute Common Vulnerabilities and Exposures (CVE™). Any copy you make for such purposes is authorized provided that you reproduce MITRE's copyright designation and this license in any such copy."
    },
    {
      "source": "FIRST EPSS",
      "url": "https://www.first.org/epss/",
      "licence": "free to use; FIRST requests attribution"
    }
  ],
  "record": {
    "id": "CVE-2026-73458",
    "sourceURL": "https://www.cve.org/CVERecord?id=CVE-2026-73458",
    "idYear": 2026,
    "status": "PUBLISHED",
    "publishedAt": "2026-09-15T19:30:16.014Z",
    "updatedAt": "2026-09-15T19:38:38.389Z",
    "importedAt": "2026-10-24T01:58:30.346Z",
    "snapshot": {
      "id": "cve_2026-10-24_midnight_baseline",
      "at": "2026-10-24T00:00:00.000Z",
      "source": "https://github.com/CVEProject/cvelistV5/releases/tag/cve_2026-10-24_0100Z"
    },
    "facts": {
      "title": "On affected platforms running Arista EOS with authenticated Bidirectional Forwarding Detection (BFD) sessions configured, a specially crafted packet can cause the BFD session(s) to go down. This may result in undesirable network changes because various rou",
      "summary": "On affected platforms running Arista EOS with authenticated Bidirectional Forwarding Detection (BFD) sessions configured, a specially crafted packet can cause the BFD session(s) to go down. This may result in undesirable network changes because various routing protocols monitor status on BFD session(s).",
      "affected": [
        {
          "vendor": "Arista Networks",
          "product": "EOS",
          "platforms": [
            "710 Series",
            "720D Series",
            "720XP/722XPM Series",
            "750X Series",
            "7010TX Series",
            "7020R/R4 Series",
            "7130 Series running EOS",
            "7170 Series",
            "7050X3/X4 Series",
            "7060X/X2/X4/X5/X6 Series",
            "7260X/X3 Series",
            "7280R/R2/R3/R4 Series",
            "7300X/X3 Series",
            "7320X Series",
            "7358X4 Series",
            "7368X4 Series",
            "7388X5 Series",
            "7500R/R2/R3 Series",
            "7800R3/R4 Series",
            "7700R4 Series",
            "AWE 5000 Series",
            "AWE 7200R Series",
            "CloudEOS",
            "cEOS-lab",
            "vEOS-lab",
            "CloudVision eXchange",
            "virtual or physical appliance"
          ],
          "defaultStatus": "unaffected",
          "versions": [
            {
              "version": "4.36.0",
              "status": "affected",
              "versionType": "custom",
              "lessThanOrEqual": "4.36.1F",
              "changes": [
                {
                  "at": "4.36.2F",
                  "status": "unaffected"
                }
              ]
            },
            {
              "version": "4.35.0",
              "status": "affected",
              "versionType": "custom",
              "lessThanOrEqual": "4.35.5M",
              "changes": [
                {
                  "at": "4.35.6M",
                  "status": "unaffected"
                }
              ]
            },
            {
              "version": "4.34.0",
              "status": "affected",
              "versionType": "custom",
              "lessThanOrEqual": "4.34.7M",
              "changes": [
                {
                  "at": "4.34.8M",
                  "status": "unaffected"
                }
              ]
            },
            {
              "version": "4.33.0",
              "status": "affected",
              "versionType": "custom",
              "lessThanOrEqual": "4.33.8M",
              "changes": [
                {
                  "at": "4.33.9M",
                  "status": "unaffected"
                }
              ]
            }
          ]
        }
      ]
    }
  }
}