FKIE_CVE-2026-5004

Vulnerability from fkie_nvd - Published: 2026-03-28 18:15 - Updated: 2026-04-03 11:30
Severity ?
8.8 (High) - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Summary
A vulnerability was determined in Wavlink WL-WN579X3-C 231124. This impacts the function sub_4019FC of the file /cgi-bin/firewall.cgi of the component UPNP Handler. Executing a manipulation of the argument UpnpEnabled can lead to stack-based buffer overflow. It is possible to launch the attack remotely. The exploit has been publicly disclosed and may be utilized. The vendor was contacted early about this disclosure but did not respond in any way.
References
cna@vuldb.comhttps://github.com/Litengzheng/vul_db/blob/main/WL-WN579X3-C/vul_200/README.mdExploit, Third Party Advisory
cna@vuldb.comhttps://vuldb.com/submit/779149Third Party Advisory, VDB Entry
cna@vuldb.comhttps://vuldb.com/vuln/353891Third Party Advisory, VDB Entry
cna@vuldb.comhttps://vuldb.com/vuln/353891/ctiPermissions Required, VDB Entry
Impacted products
Vendor Product Version
wavlink wl-wn579x3-c_firmware 231124
wavlink wl-wn579x3-c -
To clipboard 

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  "descriptions": [
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      "value": "A vulnerability was determined in Wavlink WL-WN579X3-C 231124. This impacts the function sub_4019FC of the file /cgi-bin/firewall.cgi of the component UPNP Handler. Executing a manipulation of the argument UpnpEnabled can lead to stack-based buffer overflow. It is possible to launch the attack remotely. The exploit has been publicly disclosed and may be utilized. The vendor was contacted early about this disclosure but did not respond in any way."
    },
    {
      "lang": "es",
      "value": "Una vulnerabilidad fue determinada en Wavlink WL-WN579X3-C 231124. Esto afecta la funci\u00f3n sub_4019FC del archivo /cgi-bin/firewall.cgi del componente Gestor UPNP. La ejecuci\u00f3n de una manipulaci\u00f3n del argumento UpnpEnabled puede llevar a un desbordamiento de b\u00fafer basado en pila. Es posible lanzar el ataque de forma remota. El exploit ha sido divulgado p\u00fablicamente y puede ser utilizado. El proveedor fue contactado tempranamente sobre esta divulgaci\u00f3n pero no respondi\u00f3 de ninguna manera."
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  ],
  "id": "CVE-2026-5004",
  "lastModified": "2026-04-03T11:30:16.767",
  "metrics": {
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        "acInsufInfo": false,
        "baseSeverity": "HIGH",
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          "accessComplexity": "LOW",
          "accessVector": "NETWORK",
          "authentication": "SINGLE",
          "availabilityImpact": "COMPLETE",
          "baseScore": 9.0,
          "confidentialityImpact": "COMPLETE",
          "integrityImpact": "COMPLETE",
          "vectorString": "AV:N/AC:L/Au:S/C:C/I:C/A:C",
          "version": "2.0"
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        "impactScore": 10.0,
        "obtainAllPrivilege": false,
        "obtainOtherPrivilege": false,
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        "type": "Secondary",
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          "baseSeverity": "HIGH",
          "confidentialityImpact": "HIGH",
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          "Recovery": "NOT_DEFINED",
          "Safety": "NOT_DEFINED",
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          "attackRequirements": "NONE",
          "attackVector": "NETWORK",
          "availabilityRequirement": "NOT_DEFINED",
          "baseScore": 7.4,
          "baseSeverity": "HIGH",
          "confidentialityRequirement": "NOT_DEFINED",
          "exploitMaturity": "PROOF_OF_CONCEPT",
          "integrityRequirement": "NOT_DEFINED",
          "modifiedAttackComplexity": "NOT_DEFINED",
          "modifiedAttackRequirements": "NOT_DEFINED",
          "modifiedAttackVector": "NOT_DEFINED",
          "modifiedPrivilegesRequired": "NOT_DEFINED",
          "modifiedSubAvailabilityImpact": "NOT_DEFINED",
          "modifiedSubConfidentialityImpact": "NOT_DEFINED",
          "modifiedSubIntegrityImpact": "NOT_DEFINED",
          "modifiedUserInteraction": "NOT_DEFINED",
          "modifiedVulnAvailabilityImpact": "NOT_DEFINED",
          "modifiedVulnConfidentialityImpact": "NOT_DEFINED",
          "modifiedVulnIntegrityImpact": "NOT_DEFINED",
          "privilegesRequired": "LOW",
          "providerUrgency": "NOT_DEFINED",
          "subAvailabilityImpact": "NONE",
          "subConfidentialityImpact": "NONE",
          "subIntegrityImpact": "NONE",
          "userInteraction": "NONE",
          "valueDensity": "NOT_DEFINED",
          "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/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",
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          "vulnIntegrityImpact": "HIGH",
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      "source": "nvd@nist.gov",
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}


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