{
  "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-2026-73437",
    "sourceURL": "https://www.cve.org/CVERecord?id=CVE-2026-73437",
    "idYear": 2026,
    "status": "PUBLISHED",
    "publishedAt": "2026-09-15T21:02:49.314Z",
    "updatedAt": "2026-09-17T03:57:04.541Z",
    "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 Dynamic Host Configuration Protocol (DHCP) relay configured, an unauthenticated attacker with network access could send a crafted DHCP reply packet from an IP address that is not configured as a helper/destinat",
      "summary": "On affected platforms running Arista EOS with Dynamic Host Configuration Protocol (DHCP) relay configured, an unauthenticated attacker with network access could send a crafted DHCP reply packet from an IP address that is not configured as a helper address, and the relay agent would forward it to clients without validating the source. This could allow the attacker to supply clients with malicious network configuration parameters, potentially resulting in traffic interception or denial of service for affected clients.",
      "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": "4.34.7.1M",
              "changes": [
                {
                  "at": "4.34.8M",
                  "status": "unaffected"
                }
              ]
            },
            {
              "version": "4.33.0",
              "status": "affected",
              "versionType": "custom",
              "lessThanOrEqual": "4.33.9M",
              "changes": [
                {
                  "at": "4.33.10M",
                  "status": "unaffected"
                }
              ]
            }
          ]
        }
      ]
    }
  }
}