FKIE_CVE-2017-9488

Vulnerability from fkie_nvd - Published: 2017-07-31 03:29 - Updated: 2026-06-17 01:28
Severity
8.8 (High) - CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Summary
The Comcast firmware on Cisco DPC3939 (firmware version dpc3939-P20-18-v303r20421746-170221a-CMCST) and DPC3941T (firmware version DPC3941_2.5s3_PROD_sey) devices allows remote attackers to access the web UI by establishing a session to the wan0 WAN IPv6 address and then entering unspecified hardcoded credentials. This wan0 interface cannot be accessed from the public Internet.
References
cve@mitre.orghttps://github.com/BastilleResearch/CableTap/blob/master/doc/advisories/bastille-31.stb-remote-webui.txtExploit, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://github.com/BastilleResearch/CableTap/blob/master/doc/advisories/bastille-31.stb-remote-webui.txtExploit, Third Party Advisory
Impacted products
Vendor Product Version
cisco dpc3939_firmware dpc3939-p20-18-v303r20421746-170221a-cmcst
cisco dpc3939 -
cisco dpc3941t_firmware dpc3941_2.5s3_prod_sey
cisco dpc3941t -
To clipboard 

{
  "affected": [
    {
      "affectedData": [
        {
          "product": "n/a",
          "vendor": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ],
      "source": "cve@mitre.org"
    }
  ],
  "configurations": [
    {
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              "matchCriteriaId": "C881B07A-9652-465E-A804-1B5ED959E1C4",
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            }
          ],
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          ],
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  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "The Comcast firmware on Cisco DPC3939 (firmware version dpc3939-P20-18-v303r20421746-170221a-CMCST) and DPC3941T (firmware version DPC3941_2.5s3_PROD_sey) devices allows remote attackers to access the web UI by establishing a session to the wan0 WAN IPv6 address and then entering unspecified hardcoded credentials. This wan0 interface cannot be accessed from the public Internet."
    },
    {
      "lang": "es",
      "value": "El firmware Comcast en los dispositivos DPC3939 (versi\u00f3n de firmware dpc3939-P20-18-v303r20421746-170221a-CMCST) y DPC3941T (versi\u00f3n de firmware DPC3941_2.5s3_PROD_sey) de Cisco, permite que los atacantes remotos accedan a la interfaz de usuario web estableciendo una sesi\u00f3n para la direcci\u00f3n IPv6 de la WAN wan0 y luego ingresando credenciales codificadas no especificadas. Esta interfaz wan0 no se puede acceder a desde la Internet p\u00fablica."
    }
  ],
  "id": "CVE-2017-9488",
  "lastModified": "2026-06-17T01:28:13.403",
  "metrics": {
    "cvssMetricV2": [
      {
        "acInsufInfo": false,
        "baseSeverity": "MEDIUM",
        "cvssData": {
          "accessComplexity": "LOW",
          "accessVector": "ADJACENT_NETWORK",
          "authentication": "NONE",
          "availabilityImpact": "PARTIAL",
          "baseScore": 5.8,
          "confidentialityImpact": "PARTIAL",
          "integrityImpact": "PARTIAL",
          "vectorString": "AV:A/AC:L/Au:N/C:P/I:P/A:P",
          "version": "2.0"
        },
        "exploitabilityScore": 6.5,
        "impactScore": 6.4,
        "obtainAllPrivilege": false,
        "obtainOtherPrivilege": false,
        "obtainUserPrivilege": false,
        "source": "nvd@nist.gov",
        "type": "Primary",
        "userInteractionRequired": false
      }
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    "cvssMetricV30": [
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          "attackVector": "ADJACENT_NETWORK",
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          "baseScore": 8.8,
          "baseSeverity": "HIGH",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "privilegesRequired": "NONE",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
          "version": "3.0"
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        "impactScore": 5.9,
        "source": "nvd@nist.gov",
        "type": "Primary"
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  "published": "2017-07-31T03:29:00.613",
  "references": [
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      "tags": [
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  "sourceIdentifier": "cve@mitre.org",
  "vulnStatus": "Modified",
  "weaknesses": [
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          "lang": "en",
          "value": "CWE-798"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    }
  ]
}



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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

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Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
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  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



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Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.