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CVE-2026-6028

Status: DeferredHigh (8.9)—

A security vulnerability has been detected in Totolink A7100RU 7.4cu.2313_b20191024. Impacted is the function setPptpServerCfg of the file /cgi-bin/cstecgi.cgi of the component CGI Handler. The manipulation of the argument enable leads to os command injection. The attack may be initiated remotely. The exploit has been disclosed publicly and may be used.

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).

🎯 ATT&CK techniques

How this vulnerability is exploited and what the attacker gains, in MITRE ATT&CK terms.

Vector CVSS con AV:N/PR:N/UI:N indica red sin autenticación. CWE-78 (OS command injection) en CGI handler expone aplicación web; T1059 por inyección de comandos OS en parámetro 'enable'.

Inferred by our analysis agent from the official description, CVSS vector and CWE, and checked by a supervisor. May contain errors.

🛡️ ATT&CK mitigations that cover these techniques

Privileged Account ManagementVulnerability ScanningRestrict Web-Based ContentNetwork SegmentationLimit Software InstallationLimit Access to Resource Over Network

Affected technologies (1)

⚠ AI-inferred from the description — NVD hasn't analyzed this CVE yet, these aren't verified CPEs.

Totolink — A7100ruAI

CWEs

References

Raw JSON (NVD)

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{
  "id": "CVE-2026-6028",
  "cveTags": [],
  "metrics": {
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          "options": [
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              "automatable": "yes"
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              "technicalImpact": "total"
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          "version": "2.0.3",
          "timestamp": "2026-04-10T13:39:12.276342Z"
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          "vectorString": "AV:N/AC:L/Au:N/C:C/I:C/A:C",
          "authentication": "NONE",
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          "accessComplexity": "LOW",
          "availabilityImpact": "COMPLETE",
          "confidentialityImpact": "COMPLETE"
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        "obtainAllPrivilege": false,
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        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
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    "cvssMetricV31": [
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        "type": "Secondary",
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    ],
    "cvssMetricV40": [
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        "type": "Secondary",
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        "cvssData": {
          "Safety": "NOT_DEFINED",
          "version": "4.0",
          "Recovery": "NOT_DEFINED",
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          "Automatable": "NOT_DEFINED",
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          "valueDensity": "NOT_DEFINED",
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          "exploitMaturity": "PROOF_OF_CONCEPT",
          "providerUrgency": "NOT_DEFINED",
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          "subIntegrityImpact": "NONE",
          "vulnIntegrityImpact": "HIGH",
          "integrityRequirement": "NOT_DEFINED",
          "modifiedAttackVector": "NOT_DEFINED",
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          "modifiedUserInteraction": "NOT_DEFINED",
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          "subConfidentialityImpact": "NONE",
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          "modifiedAttackRequirements": "NOT_DEFINED",
          "modifiedPrivilegesRequired": "NOT_DEFINED",
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          "modifiedVulnIntegrityImpact": "NOT_DEFINED",
          "vulnerabilityResponseEffort": "NOT_DEFINED",
          "modifiedSubAvailabilityImpact": "NOT_DEFINED",
          "modifiedVulnAvailabilityImpact": "NOT_DEFINED",
          "modifiedSubConfidentialityImpact": "NOT_DEFINED",
          "modifiedVulnConfidentialityImpact": "NOT_DEFINED"
        }
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  },
  "affected": [
    {
      "source": "cna@vuldb.com",
      "affectedData": [
        {
          "cpes": [
            "cpe:2.3:o:totolink:a7100ru_firmware:*:*:*:*:*:*:*:*"
          ],
          "vendor": "Totolink",
          "modules": [
            "CGI Handler"
          ],
          "product": "A7100RU",
          "versions": [
            {
              "status": "affected",
              "version": "7.4cu.2313_b20191024"
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  "published": "2026-04-10T07:16:21.790",
  "references": [
    {
      "url": "https://github.com/Litengzheng/vuldb_new/blob/main/A7100RU/vul_173/README.md",
      "source": "cna@vuldb.com"
    },
    {
      "url": "https://vuldb.com/submit/792049",
      "source": "cna@vuldb.com"
    },
    {
      "url": "https://vuldb.com/vuln/356604",
      "source": "cna@vuldb.com"
    },
    {
      "url": "https://vuldb.com/vuln/356604/cti",
      "source": "cna@vuldb.com"
    },
    {
      "url": "https://www.totolink.net/",
      "source": "cna@vuldb.com"
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      "source": "cna@vuldb.com",
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          "value": "CWE-77"
        },
        {
          "lang": "en",
          "value": "CWE-78"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "A security vulnerability has been detected in Totolink A7100RU 7.4cu.2313_b20191024. Impacted is the function setPptpServerCfg of the file /cgi-bin/cstecgi.cgi of the component CGI Handler. The manipulation of the argument enable leads to os command injection. The attack may be initiated remotely. The exploit has been disclosed publicly and may be used."
    }
  ],
  "lastModified": "2026-06-17T11:00:11.490",
  "sourceIdentifier": "cna@vuldb.com"
}