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CVE-2026-7473 Arista EOS Unexpected Tunnel Protocol Decapsulation and Forwarding Bypass

🗓️ 05 Jun 2026 16:22:47Reported by AristaType 
cvelist
 cvelist
🔗 www.cve.org👁 43 Views

Arista EOS tunnel decapsulation flaw forwards unexpected tunneled packets with decap address due to unverified protocol.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
GithubExploit
Exploit for Incomplete Comparison with Missing Factors in Arista Eos
10 Jun 202616:21
githubexploit
ATTACKERKB
CVE-2026-7473
5 Jun 202616:22
attackerkb
Arista
Security Advisory 0137
5 May 202600:00
arista
Circl
CVE-2026-7473
9 Jun 202618:00
circl
CISA KEV Catalog
Arista Extensible Operating System Incomplete Comparison with Missing Factors Vulnerability
9 Jun 202600:00
cisa_kev
CISA
CISA Adds Three Known Exploited Vulnerabilities to Catalog
9 Jun 202612:00
cisa
CVE
CVE-2026-7473
5 Jun 202616:22
cve
EUVD
EUVD-2026-34858
5 Jun 202616:22
euvd
NVD
CVE-2026-7473
5 Jun 202617:17
nvd
Positive Technologies
PT-2026-46983
5 May 202600:00
ptsecurity
Rows per page
[
  {
    "vendor": "Arista Networks",
    "product": "EOS",
    "platforms": [
      "7020R Series",
      "7280R/R2 Series",
      "7500R/R2 Series",
      "7280R3 Series (Limited exposure: IP-in-IPv6 and GUEv6)",
      "7500R3 Series (Limited exposure: IP-in-IPv6 and GUEv6)",
      "7800R3 Series (Limited exposure: IP-in-IPv6 and GUEv6)"
    ],
    "versions": [
      {
        "status": "affected",
        "version": "4.36.0",
        "versionType": "custom"
      },
      {
        "status": "affected",
        "version": "4.35.0",
        "lessThanOrEqual": "4.35",
        "versionType": "custom"
      },
      {
        "status": "affected",
        "version": "4.34.0",
        "lessThanOrEqual": "4.34",
        "versionType": "custom"
      },
      {
        "status": "affected",
        "version": "4.33.0",
        "lessThanOrEqual": "4.33",
        "versionType": "custom"
      },
      {
        "status": "affected",
        "version": "4.32.0",
        "lessThanOrEqual": "4.32",
        "versionType": "custom"
      },
      {
        "status": "affected",
        "version": "4.31.0",
        "lessThanOrEqual": "4.31",
        "versionType": "custom"
      },
      {
        "status": "affected",
        "version": "*",
        "lessThanOrEqual": "4.30",
        "versionType": "custom"
      }
    ],
    "defaultStatus": "affected"
  }
]

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