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CVE-2026-5677

Estado: AplazadaMedia (5.5)—

A security flaw has been discovered in Totolink A7100RU 7.4cu.2313_b20191024. Impacted is the function CsteSystem of the file /cgi-bin/cstecgi.cgi. Performing a manipulation of the argument resetFlags results in os command injection. The attack may be initiated remotely. The exploit has been released to the public and may be used for attacks.

CVSS

Probabilidad de explotación (EPSS)

EPSS (Exploit Prediction Scoring System, de FIRST) estima la probabilidad de que una vulnerabilidad sea explotada en 30 días. Complementa a CVSS (impacto) y a CISA KEV (explotación confirmada).

Tecnologías afectadas (1)

⚠ Inferidas por IA a partir de la descripción — NVD aún no ha analizado esta CVE; no son CPE verificados.

Totolink — A7100ruAI

CWE

Referencias

JSON original (NVD)

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  "id": "CVE-2026-5677",
  "cveTags": [],
  "metrics": {
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        "ssvcData": {
          "id": "CVE-2026-5677",
          "role": "CISA Coordinator",
          "options": [
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              "exploitation": "poc"
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            {
              "automatable": "yes"
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              "technicalImpact": "partial"
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          "version": "2.0.3",
          "timestamp": "2026-04-07T14:40:28.620327Z"
        }
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    "cvssMetricV2": [
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          "vectorString": "AV:N/AC:L/Au:N/C:P/I:P/A:P",
          "authentication": "NONE",
          "integrityImpact": "PARTIAL",
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          "availabilityImpact": "PARTIAL",
          "confidentialityImpact": "PARTIAL"
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        "obtainAllPrivilege": false,
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      }
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    "cvssMetricV31": [
      {
        "type": "Secondary",
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        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.1",
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          "attackVector": "NETWORK",
          "baseSeverity": "HIGH",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L",
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    ],
    "cvssMetricV40": [
      {
        "type": "Secondary",
        "source": "cna@vuldb.com",
        "cvssData": {
          "Safety": "NOT_DEFINED",
          "version": "4.0",
          "Recovery": "NOT_DEFINED",
          "baseScore": 5.5,
          "Automatable": "NOT_DEFINED",
          "attackVector": "NETWORK",
          "baseSeverity": "MEDIUM",
          "valueDensity": "NOT_DEFINED",
          "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X",
          "exploitMaturity": "PROOF_OF_CONCEPT",
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          "modifiedAttackVector": "NOT_DEFINED",
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          "vulnConfidentialityImpact": "LOW",
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          "modifiedAttackRequirements": "NOT_DEFINED",
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          "modifiedVulnIntegrityImpact": "NOT_DEFINED",
          "vulnerabilityResponseEffort": "NOT_DEFINED",
          "modifiedSubAvailabilityImpact": "NOT_DEFINED",
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          "modifiedVulnConfidentialityImpact": "NOT_DEFINED"
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  },
  "affected": [
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      "affectedData": [
        {
          "cpes": [
            "cpe:2.3:o:totolink:a7100ru_firmware:*:*:*:*:*:*:*:*"
          ],
          "vendor": "Totolink",
          "product": "A7100RU",
          "versions": [
            {
              "status": "affected",
              "version": "7.4cu.2313_b20191024"
            }
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        }
      ]
    }
  ],
  "published": "2026-04-06T19:16:30.680",
  "references": [
    {
      "url": "https://github.com/Litengzheng/vuldb_new/blob/main/A7100RU/vul_184/README.md",
      "source": "cna@vuldb.com"
    },
    {
      "url": "https://vuldb.com/submit/792606",
      "source": "cna@vuldb.com"
    },
    {
      "url": "https://vuldb.com/vuln/355504",
      "source": "cna@vuldb.com"
    },
    {
      "url": "https://vuldb.com/vuln/355504/cti",
      "source": "cna@vuldb.com"
    },
    {
      "url": "https://www.totolink.net/",
      "source": "cna@vuldb.com"
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      "description": [
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          "value": "CWE-77"
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          "lang": "en",
          "value": "CWE-78"
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  "descriptions": [
    {
      "lang": "en",
      "value": "A security flaw has been discovered in Totolink A7100RU 7.4cu.2313_b20191024. Impacted is the function CsteSystem of the file /cgi-bin/cstecgi.cgi. Performing a manipulation of the argument resetFlags results in os command injection. The attack may be initiated remotely. The exploit has been released to the public and may be used for attacks."
    },
    {
      "lang": "es",
      "value": "Se ha descubierto una falla de seguridad en Totolink A7100RU 7.4cu.2313_b20191024. La función CsteSystem del archivo /cgi-bin/cstecgi.cgi se ve afectada. La manipulación del argumento resetFlags resulta en inyección de comandos del sistema operativo. El ataque puede iniciarse de forma remota. El exploit ha sido liberado al público y puede ser utilizado para ataques."
    }
  ],
  "lastModified": "2026-07-20T20:10:00.110",
  "sourceIdentifier": "cna@vuldb.com"
}