Vulnerability-Lookup

FKIE_CVE-2018-21117

Vulnerability from fkie_nvd - Published: 2020-04-22 15:15 - Updated: 2026-06-17 01:54

Severity

8.8 (High) - CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Summary

NETGEAR XR500 devices before 2.3.2.32 are affected by remote code execution by unauthenticated attackers via the traceroute handler.

References

	URL	Tags
	cve@mitre.org	https://kb.netgear.com/000060241/Security-Advisory-for-Pre-Authentication-Stack-Overflow-on-XR500-PSV-2018-0313	Vendor Advisory
	af854a3a-2127-422b-91ae-364da2661108	https://kb.netgear.com/000060241/Security-Advisory-for-Pre-Authentication-Stack-Overflow-on-XR500-PSV-2018-0313	Vendor Advisory

Impacted products

	Vendor	Product	Version
	netgear	xr500_firmware	*
	netgear	xr500	-

JSON

To clipboard

{
  "affected": [
    {
      "affectedData": [
        {
          "product": "n/a",
          "vendor": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ],
      "source": "cve@mitre.org"
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:o:netgear:xr500_firmware:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "29216B3A-9A3B-4752-99C2-4A9CFA8E5E26",
              "versionEndExcluding": "2.3.2.32",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        },
        {
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              "matchCriteriaId": "9E203D92-F97B-4F5B-B395-3A5DEDBF1C1C",
              "vulnerable": false
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ],
      "operator": "AND"
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "NETGEAR XR500 devices before 2.3.2.32 are affected by remote code execution by unauthenticated attackers via the traceroute handler."
    },
    {
      "lang": "es",
      "value": "Los dispositivos NETGEAR XR500 versiones anteriores a 2.3.2.32, est\u00e1n afectados por una ejecuci\u00f3n de c\u00f3digo remota por parte de atacantes no autenticados por medio del manejador traceroute."
    }
  ],
  "id": "CVE-2018-21117",
  "lastModified": "2026-06-17T01:54:10.213",
  "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
      }
    ],
    "cvssMetricV30": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "ADJACENT_NETWORK",
          "availabilityImpact": "HIGH",
          "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"
        },
        "exploitabilityScore": 2.8,
        "impactScore": 5.9,
        "source": "cve@mitre.org",
        "type": "Secondary"
      }
    ],
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "ADJACENT_NETWORK",
          "availabilityImpact": "HIGH",
          "baseScore": 8.8,
          "baseSeverity": "HIGH",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "privilegesRequired": "NONE",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
          "version": "3.1"
        },
        "exploitabilityScore": 2.8,
        "impactScore": 5.9,
        "source": "nvd@nist.gov",
        "type": "Primary"
      }
    ]
  },
  "published": "2020-04-22T15:15:13.787",
  "references": [
    {
      "source": "cve@mitre.org",
      "tags": [
        "Vendor Advisory"
      ],
      "url": "https://kb.netgear.com/000060241/Security-Advisory-for-Pre-Authentication-Stack-Overflow-on-XR500-PSV-2018-0313"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Vendor Advisory"
      ],
      "url": "https://kb.netgear.com/000060241/Security-Advisory-for-Pre-Authentication-Stack-Overflow-on-XR500-PSV-2018-0313"
    }
  ],
  "sourceIdentifier": "cve@mitre.org",
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "NVD-CWE-noinfo"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    }
  ]
}

CVE-2018-21117 (GCVE-0-2018-21117)

Vulnerability from cvelistv5 – Published: 2020-04-22 15:00 – Updated: 2024-08-05 12:19

Summary

NETGEAR XR500 devices before 2.3.2.32 are affected by remote code execution by unauthenticated attackers via the traceroute handler.

Severity

8.8 (High)


                        
                          CVSS:3.0/AC:L/AV:A/A:H/C:H/I:H/PR:N/S:U/UI:N

CWE

Assigner

mitre mitre root

References

1 reference

URL	Tags
https://kb.netgear.com/000060241/Security-Advisor…	x_refsource_CONFIRM

Date Public

2018-09-26 00:00

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-05T12:19:27.649Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
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        },
        "references": [
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              "x_transferred"
            ],
            "url": "https://kb.netgear.com/000060241/Security-Advisory-for-Pre-Authentication-Stack-Overflow-on-XR500-PSV-2018-0313"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
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          "product": "n/a",
          "vendor": "n/a",
          "versions": [
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              "status": "affected",
              "version": "n/a"
            }
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        }
      ],
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      "descriptions": [
        {
          "lang": "en",
          "value": "NETGEAR XR500 devices before 2.3.2.32 are affected by remote code execution by unauthenticated attackers via the traceroute handler."
        }
      ],
      "metrics": [
        {
          "cvssV3_0": {
            "attackComplexity": "LOW",
            "attackVector": "ADJACENT_NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 8.8,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "HIGH",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.0/AC:L/AV:A/A:H/C:H/I:H/PR:N/S:U/UI:N",
            "version": "3.0"
          }
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "description": "n/a",
              "lang": "en",
              "type": "text"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2020-04-22T15:00:54.000Z",
        "orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
        "shortName": "mitre"
      },
      "references": [
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          "tags": [
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          "url": "https://kb.netgear.com/000060241/Security-Advisory-for-Pre-Authentication-Stack-Overflow-on-XR500-PSV-2018-0313"
        }
      ],
      "x_legacyV4Record": {
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          "ID": "CVE-2018-21117",
          "STATE": "PUBLIC"
        },
        "affects": {
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            "vendor_data": [
              {
                "product": {
                  "product_data": [
                    {
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                      "version": {
                        "version_data": [
                          {
                            "version_value": "n/a"
                          }
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                      }
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        "impact": {
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            "attackComplexity": "LOW",
            "attackVector": "ADJACENT",
            "availabilityImpact": "HIGH",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "HIGH",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
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}

Sightings

Author	Source	Type	Date	Other

Nomenclature

Seen: The vulnerability was mentioned, discussed, or observed by the user.
Confirmed: The vulnerability has been validated from an analyst's perspective.
Published Proof of Concept: A public proof of concept is available for this vulnerability.
Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
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.

Detection rules are retrieved from Rulezet.

The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base model, served locally by ML-Gateway. They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.

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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.

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FKIE_CVE-2018-21117

CVE-2018-21117 (GCVE-0-2018-21117)

Tags

Sightings

Nomenclature

Related by attack behaviour