CVE-2026-108896 (GCVE-0-2026-108896)

Vulnerability from cvelistv5 – Published: 2026-10-12 14:30 – Updated: 2026-10-12 14:30
VLAI
Title
Linksys E1700 setLinksysIpv6 os command injection
Summary
A vulnerability was found in Linksys E1700 1.0.0.4.003. This affects the function setLinksysIpv6 of the file /goform/setLinksysIpv6. The manipulation of the argument _6rd_prefix/_6rd_prefix_len results in os command injection. The attack can be launched remotely. The exploit has been made public and could be used. The vendor was contacted early about this disclosure but did not respond in any way.
Severity
9.4 (Critical)
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/E:P
9.9 (Critical)
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H/E:P/RL:X/RC:R
9.9 (Critical)
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H/E:P/RL:X/RC:R
CWE
Assigner
VulDB CNA under the mitre root
CNA scorecard B 82/100 over 3801 records in the last 180 days details
References
URL Tags
https://vuldb.com/vuln/416683 vdb-entrytechnical-description
https://vuldb.com/vuln/416683/cti signaturepermissions-required
https://vuldb.com/cve/CVE-2026-108896 third-party-advisory
https://vuldb.com/submit/973115 third-party-advisory
https://github.com/wudipjq/my_vuln/blob/main/Link… broken-linkexploit
https://www.linksys.com/ product
Impacted products
Vendor Product Version CPE status
Linksys E1700 Affected: 1.0.0.4.003
    cpe:2.3:o:linksys:e1700_firmware:*:*:*:*:*:*:*:*
Create a notification for this product.
Credits
pjqwudi (VulDB User) VulDB CNA Team
Show details on NVD website
To clipboard 

{
  "containers": {
    "cna": {
      "affected": [
        {
          "cpes": [
            "cpe:2.3:o:linksys:e1700_firmware:*:*:*:*:*:*:*:*"
          ],
          "product": "E1700",
          "vendor": "Linksys",
          "versions": [
            {
              "status": "affected",
              "version": "1.0.0.4.003"
            }
          ]
        }
      ],
      "credits": [
        {
          "lang": "en",
          "type": "reporter",
          "value": "pjqwudi (VulDB User)"
        },
        {
          "lang": "en",
          "type": "coordinator",
          "value": "VulDB CNA Team"
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "A vulnerability was found in Linksys E1700 1.0.0.4.003. This affects the function setLinksysIpv6 of the file /goform/setLinksysIpv6. The manipulation of the argument _6rd_prefix/_6rd_prefix_len results in os command injection. The attack can be launched remotely. The exploit has been made public and could be used. The vendor was contacted early about this disclosure but did not respond in any way."
        }
      ],
      "metrics": [
        {
          "cvssV4_0": {
            "baseScore": 9.4,
            "baseSeverity": "CRITICAL",
            "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/E:P",
            "version": "4.0"
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        },
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      "problemTypes": [
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          "descriptions": [
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              "type": "CWE"
            }
          ]
        },
        {
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      ],
      "providerMetadata": {
        "dateUpdated": "2026-10-12T14:30:14.340Z",
        "orgId": "1af790b2-7ee1-4545-860a-a788eba489b5",
        "shortName": "VulDB"
      },
      "references": [
        {
          "name": "VDB-416683 | Linksys E1700 setLinksysIpv6 os command injection",
          "tags": [
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            "technical-description"
          ],
          "url": "https://vuldb.com/vuln/416683"
        },
        {
          "name": "VDB-416683 | CTI Indicators (IOB, IOC, TTP, IOA)",
          "tags": [
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            "permissions-required"
          ],
          "url": "https://vuldb.com/vuln/416683/cti"
        },
        {
          "name": "CVE-2026-108896 | CVE Analysis and Report",
          "tags": [
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          ],
          "url": "https://vuldb.com/cve/CVE-2026-108896"
        },
        {
          "name": "Submit #973115 | Linksys E1700 1.0.0.4.003 OS Command Injection",
          "tags": [
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        },
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          "url": "https://github.com/wudipjq/my_vuln/blob/main/Linksys3/vuln_70/70.md"
        },
        {
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          "url": "https://www.linksys.com/"
        }
      ],
      "timeline": [
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          "time": "2026-10-11T00:00:00.000Z",
          "value": "Advisory disclosed"
        },
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          "time": "2026-10-11T02:00:00.000Z",
          "value": "VulDB entry created"
        },
        {
          "lang": "en",
          "time": "2026-10-11T16:27:52.000Z",
          "value": "VulDB entry last update"
        }
      ],
      "title": "Linksys E1700 setLinksysIpv6 os command injection",
      "x_generator": [
        "VulDB PVTS v202610"
      ]
    }
  },
  "cveMetadata": {
    "assignerOrgId": "1af790b2-7ee1-4545-860a-a788eba489b5",
    "assignerShortName": "VulDB",
    "cveId": "CVE-2026-108896",
    "datePublished": "2026-10-12T14:30:14.340Z",
    "dateReserved": "2026-10-11T14:22:22.662Z",
    "dateUpdated": "2026-10-12T14:30:14.340Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2",
  "vulnerability-lookup:meta": {
    "nvd": {
      "cve": {
        "affected": [
          {
            "affectedData": [
              {
                "cpes": [
                  "cpe:2.3:o:linksys:e1700_firmware:*:*:*:*:*:*:*:*"
                ],
                "product": "E1700",
                "vendor": "Linksys",
                "versions": [
                  {
                    "status": "affected",
                    "version": "1.0.0.4.003"
                  }
                ]
              }
            ],
            "source": "cna@vuldb.com"
          }
        ],
        "cveTags": [],
        "descriptions": [
          {
            "lang": "en",
            "value": "A vulnerability was found in Linksys E1700 1.0.0.4.003. This affects the function setLinksysIpv6 of the file /goform/setLinksysIpv6. The manipulation of the argument _6rd_prefix/_6rd_prefix_len results in os command injection. The attack can be launched remotely. The exploit has been made public and could be used. The vendor was contacted early about this disclosure but did not respond in any way."
          }
        ],
        "id": "CVE-2026-108896",
        "lastModified": "2026-10-12T15:17:07.423",
        "metrics": {
          "cvssMetricV2": [
            {
              "acInsufInfo": false,
              "baseSeverity": "HIGH",
              "cvssData": {
                "accessComplexity": "LOW",
                "accessVector": "NETWORK",
                "authentication": "SINGLE",
                "availabilityImpact": "COMPLETE",
                "baseScore": 9.0,
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                "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,
              "obtainUserPrivilege": false,
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          "cvssMetricV31": [
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                "availabilityImpact": "HIGH",
                "baseScore": 9.9,
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                "confidentialityImpact": "HIGH",
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                "scope": "CHANGED",
                "userInteraction": "NONE",
                "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H",
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          ],
          "cvssMetricV40": [
            {
              "cvssData": {
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                "Recovery": "NOT_DEFINED",
                "Safety": "NOT_DEFINED",
                "attackComplexity": "LOW",
                "attackRequirements": "NONE",
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                "availabilityRequirement": "NOT_DEFINED",
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                "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": "HIGH",
                "subConfidentialityImpact": "HIGH",
                "subIntegrityImpact": "HIGH",
                "userInteraction": "NONE",
                "valueDensity": "NOT_DEFINED",
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                "vulnerabilityResponseEffort": "NOT_DEFINED"
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    }
  }
}



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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.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
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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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