Vulnerability-Lookup

CVE-2026-91003 (GCVE-0-2026-91003)

Vulnerability from cvelistv5 – Published: 2026-09-15 05:45 – Updated: 2026-09-15 14:05

Title

D-Link DI-8300 CGI Service rzgl.asp rzgl_asp stack-based overflow

Summary

A flaw has been found in D-Link DI-8300 16.07. The affected element is the function rzgl_asp of the file /rzgl.asp of the component CGI Service. This manipulation of the argument redirct_url causes stack-based buffer overflow. Remote exploitation of the attack is possible. The exploit has been published and may be used.

Severity

9.4 (Critical)


                        
                          CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/E:P

9.1 (Critical)


                        
                          CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H/E:P/RL:X/RC:R

9.1 (Critical)


                        
                          CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H/E:P/RL:X/RC:R

SSVC

Exploitation: poc Automatable: no Technical Impact: total

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2026-09-15 14:05 UTC

CWE

CWE-121 - Stack-based Buffer Overflow
CWE-119 - Memory Corruption

Assigner

VulDB mitre root

References

7 references

URL	Tags
https://vuldb.com/vuln/403586	vdb-entrytechnical-description
https://vuldb.com/vuln/403586/cti	signaturepermissions-required
https://vuldb.com/cve/CVE-2026-91003	third-party-advisory
https://vuldb.com/submit/932002	third-party-advisory
https://github.com/Vivi-Xray/Xray-s-cve-/blob/mai…	related
https://github.com/Vivi-Xray/Xray-s-cve-/blob/mai…	exploit
https://www.dlink.com/	product

Impacted products

1 product

Vendor	Product	Version
D-Link	DI-8300	Affected: 16.07 cpe:2.3:h:d-link:di-8300::::::::

Credits

Xray (VulDB User)

Show details on NVD website

JSON

To clipboard

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FKIE_CVE-2026-91003

Vulnerability from fkie_nvd - Published: 2026-09-15 06:17 - Updated: 2026-09-15 15:17

Severity

9.1 (Critical) - CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H

Summary

References

	URL	Tags
	cna@vuldb.com	https://github.com/Vivi-Xray/Xray-s-cve-/blob/main/rzgl/rzgl_asp.md
	cna@vuldb.com	https://github.com/Vivi-Xray/Xray-s-cve-/blob/main/rzgl/rzgl_asp.py
	cna@vuldb.com	https://vuldb.com/cve/CVE-2026-91003
	cna@vuldb.com	https://vuldb.com/submit/932002
	cna@vuldb.com	https://vuldb.com/vuln/403586
	cna@vuldb.com	https://vuldb.com/vuln/403586/cti
	cna@vuldb.com	https://www.dlink.com/
	134c704f-9b21-4f2e-91b3-4a467353bcc0	https://github.com/Vivi-Xray/Xray-s-cve-/blob/main/rzgl/rzgl_asp.md

Impacted products

	Vendor	Product	Version

JSON

To clipboard

{
  "affected": [
    {
      "affectedData": [
        {
          "cpes": [
            "cpe:2.3:h:d-link:di-8300:*:*:*:*:*:*:*:*"
          ],
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            "CGI Service"
          ],
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    }
  ],
  "id": "CVE-2026-91003",
  "lastModified": "2026-09-15T15:17:31.133",
  "metrics": {
    "cvssMetricV2": [
      {
        "acInsufInfo": false,
        "baseSeverity": "HIGH",
        "cvssData": {
          "accessComplexity": "LOW",
          "accessVector": "NETWORK",
          "authentication": "MULTIPLE",
          "availabilityImpact": "COMPLETE",
          "baseScore": 8.3,
          "confidentialityImpact": "COMPLETE",
          "integrityImpact": "COMPLETE",
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        "impactScore": 10.0,
        "obtainAllPrivilege": false,
        "obtainOtherPrivilege": false,
        "obtainUserPrivilege": false,
        "source": "cna@vuldb.com",
        "type": "Secondary",
        "userInteractionRequired": false
      }
    ],
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "HIGH",
          "baseScore": 9.1,
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          "confidentialityImpact": "HIGH",
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          "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",
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          "valueDensity": "NOT_DEFINED",
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          "vulnAvailabilityImpact": "HIGH",
          "vulnConfidentialityImpact": "HIGH",
          "vulnIntegrityImpact": "HIGH",
          "vulnerabilityResponseEffort": "NOT_DEFINED"
        },
        "source": "cna@vuldb.com",
        "type": "Secondary"
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    ],
    "ssvcV203": [
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          "options": [
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    },
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    },
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    },
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    },
    {
      "source": "cna@vuldb.com",
      "url": "https://vuldb.com/vuln/403586/cti"
    },
    {
      "source": "cna@vuldb.com",
      "url": "https://www.dlink.com/"
    },
    {
      "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
      "url": "https://github.com/Vivi-Xray/Xray-s-cve-/blob/main/rzgl/rzgl_asp.md"
    }
  ],
  "sourceIdentifier": "cna@vuldb.com",
  "vulnStatus": "Deferred",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-119"
        },
        {
          "lang": "en",
          "value": "CWE-121"
        }
      ],
      "source": "cna@vuldb.com",
      "type": "Secondary"
    }
  ]
}

GHSA-P599-CQM7-C2XH

Vulnerability from github – Published: 2026-09-15 06:30 – Updated: 2026-09-15 06:30

Details

Severity

9.1 (Critical)


                  
                    CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H

8.5 (High)


                  
                    CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/E:P

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{
  "affected": [],
  "aliases": [
    "CVE-2026-91003"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-119"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2026-09-15T06:17:01Z",
    "severity": "HIGH"
  },
  "details": "A flaw has been found in D-Link DI-8300 16.07. The affected element is the function rzgl_asp of the file /rzgl.asp of the component CGI Service. This manipulation of the argument redirct_url causes stack-based buffer overflow. Remote exploitation of the attack is possible. The exploit has been published and may be used.",
  "id": "GHSA-p599-cqm7-c2xh",
  "modified": "2026-09-15T06:30:31Z",
  "published": "2026-09-15T06:30:31Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-91003"
    },
    {
      "type": "WEB",
      "url": "https://github.com/Vivi-Xray/Xray-s-cve-/blob/main/rzgl/rzgl_asp.md"
    },
    {
      "type": "WEB",
      "url": "https://github.com/Vivi-Xray/Xray-s-cve-/blob/main/rzgl/rzgl_asp.py"
    },
    {
      "type": "WEB",
      "url": "https://vuldb.com/cve/CVE-2026-91003"
    },
    {
      "type": "WEB",
      "url": "https://vuldb.com/submit/932002"
    },
    {
      "type": "WEB",
      "url": "https://vuldb.com/vuln/403586"
    },
    {
      "type": "WEB",
      "url": "https://vuldb.com/vuln/403586/cti"
    },
    {
      "type": "WEB",
      "url": "https://www.dlink.com"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H",
      "type": "CVSS_V3"
    },
    {
      "score": "CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/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",
      "type": "CVSS_V4"
    }
  ]
}

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.

Related by attack behaviour

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.

Action not permitted

CVE-2026-91003 (GCVE-0-2026-91003)

FKIE_CVE-2026-91003

GHSA-P599-CQM7-C2XH

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