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CVE-2025-54351

Status: AnalyzedCritical (10)—

In iperf before 3.19.1, net.c has a buffer overflow when --skip-rx-copy is used (for MSG_TRUNC in recv).

CVSS

Exploitation probability (EPSS)

EPSS (Exploit Prediction Scoring System, FIRST) estimates how likely a vulnerability is to be exploited in the wild within 30 days. It complements CVSS (impact) and CISA KEV (confirmed exploitation).

Affected technologies (1)

CWEs

References

Raw JSON (NVD)

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{
  "id": "CVE-2025-54351",
  "cveTags": [],
  "metrics": {
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          "role": "CISA Coordinator",
          "options": [
            {
              "exploitation": "none"
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            {
              "automatable": "no"
            },
            {
              "technicalImpact": "total"
            }
          ],
          "version": "2.0.3",
          "timestamp": "2025-08-04T19:40:29.469897Z"
        }
      }
    ],
    "cvssMetricV31": [
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    {
      "source": "cve@mitre.org",
      "affectedData": [
        {
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          "product": "iperf3",
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            {
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              "version": "0",
              "lessThan": "3.19.1",
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  "published": "2025-08-03T02:15:37.380",
  "references": [
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      "url": "https://github.com/esnet/iperf/commit/969b7f70c447513e92c9798f22e82b40ebc53bf0",
      "tags": [
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      "url": "https://github.com/esnet/iperf/releases/tag/3.19.1",
      "tags": [
        "Release Notes"
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      "source": "cve@mitre.org"
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  "vulnStatus": "Analyzed",
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      "type": "Secondary",
      "source": "cve@mitre.org",
      "description": [
        {
          "lang": "en",
          "value": "CWE-420"
        }
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  ],
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      "lang": "en",
      "value": "In iperf before 3.19.1, net.c has a buffer overflow when --skip-rx-copy is used (for MSG_TRUNC in recv)."
    },
    {
      "lang": "es",
      "value": "En iperf anterior a 3.19.1, net.c tiene un desbordamiento de búfer cuando se usa --skip-rx-copy (para MSG_TRUNC en recv)."
    }
  ],
  "lastModified": "2026-06-17T09:39:55.167",
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}