CVE-2026-2379 Arista EOS IPsec Tunnel Sequence Number Mismatch via Interface Flaps when Anti-Replay is Disabled

[
  {
    "vendor": "Arista Networks",
    "product": "EOS",
    "platforms": [
      "7280R3 Series with IPsec (DCS-7280SR3AK",
      "DCS-7280SR3AM",
      "DCS-7280CR3AK",
      "DCS-7280CR3AM",
      "DCS-7280CR3MK",
      "DCS-7280DR3AK",
      "DCS-7280DR3AM",
      "DCS-7289R3AK-SC",
      "DCS-7289R3AM-SC)",
      "7800R3 Series with IPsec (7800R3A-36DM-LC",
      "7800R3AK-36DM-LC",
      "7800R3A-36PM-LC",
      "7800R3AK-36PM-LC",
      "7800R3A-36DM2-LC",
      "7800R3AK-36DM2-LC)",
      "AWE 7000 Series with IPsec (AWE-7250R-16S-F",
      "AWE-7230R-4TX-4S-F",
      "AWE-7220RP-5TH-2S-F)",
      "AWE 5000 Series with IPsec (AWE-5510",
      "AWE-5310)",
      "CloudEOS VM"
    ],
    "versions": [
      {
        "status": "affected",
        "version": "4.34.0",
        "lessThanOrEqual": "4.34.3M",
        "versionType": "custom"
      },
      {
        "status": "affected",
        "version": "4.33.0M",
        "lessThanOrEqual": "4.33.5M",
        "versionType": "custom"
      },
      {
        "status": "affected",
        "version": "4.32.0M",
        "lessThanOrEqual": "4.32.7M",
        "versionType": "custom"
      },
      {
        "status": "affected",
        "version": "4.31.0M",
        "lessThanOrEqual": "4.31.9M",
        "versionType": "custom"
      },
      {
        "status": "affected",
        "version": "4.30.0F",
        "lessThan": "4.31.0",
        "versionType": "custom"
      },
      {
        "status": "affected",
        "version": "4.29.0F",
        "lessThan": "4.30.0",
        "versionType": "custom"
      },
      {
        "status": "affected",
        "version": "4.28.0F",
        "lessThan": "4.29.0",
        "versionType": "custom"
      },
      {
        "status": "affected",
        "version": "4.27.1F",
        "lessThan": "4.28.0",
        "versionType": "custom"
      }
    ],
    "defaultStatus": "unaffected"
  }
]