Vulnerability-Lookup

CVE-2026-7684 (GCVE-0-2026-7684)

Vulnerability from cvelistv5 – Published: 2026-05-03 06:45 – Updated: 2026-05-04 17:50

Title

Edimax BR-6428nC setWAN buffer overflow

Summary

A security vulnerability has been detected in Edimax BR-6428nC up to 1.16. This impacts an unknown function of the file /goform/setWAN. Such manipulation of the argument pptpDfGateway leads to buffer overflow. The attack can be launched remotely. The exploit has been disclosed publicly and may be used. The vendor was contacted early about this disclosure but did not respond in any way.

Severity

8.7 (High)


                        
                          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

8.8 (High)


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

8.8 (High)


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

SSVC

Exploitation: poc Automatable: no Technical Impact: total

CISA Coordinator (v2.0.3)

CWE

CWE-120 - Buffer Overflow
CWE-119 - Memory Corruption

Assigner

VulDB

References

4 references

URL	Tags
https://vuldb.com/vuln/360843	vdb-entrytechnical-description
https://vuldb.com/vuln/360843/cti	signaturepermissions-required
https://vuldb.com/submit/801599	third-party-advisory
https://tzh00203.notion.site/Edimax-BR-6428nC-v1-…	exploit

Impacted products

1 product

Vendor	Product	Version
Edimax	BR-6428nC	Affected: 1.0 Affected: 1.1 Affected: 1.2 Affected: 1.3 Affected: 1.4 Affected: 1.5 Affected: 1.6 Affected: 1.7 Affected: 1.8 Affected: 1.9 Affected: 1.10 Affected: 1.11 Affected: 1.12 Affected: 1.13 Affected: 1.14 Affected: 1.15 Affected: 1.16

Credits

tian (VulDB User) VulDB CNA Team

Show details on NVD website

JSON

To clipboard

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FKIE_CVE-2026-7684

Vulnerability from fkie_nvd - Published: 2026-05-03 07:16 - Updated: 2026-05-05 19:30

Severity

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

Summary

References

	URL	Tags
	cna@vuldb.com	https://tzh00203.notion.site/Edimax-BR-6428nC-v1-16-setWAN-pptpDfGateway-Stack-Overflow-33db5c52018a80c1835dd4fab4b6c7f2
	cna@vuldb.com	https://vuldb.com/submit/801599
	cna@vuldb.com	https://vuldb.com/vuln/360843
	cna@vuldb.com	https://vuldb.com/vuln/360843/cti

Impacted products

	Vendor	Product	Version

JSON

To clipboard

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          "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",
          "version": "4.0",
          "vulnAvailabilityImpact": "HIGH",
          "vulnConfidentialityImpact": "HIGH",
          "vulnIntegrityImpact": "HIGH",
          "vulnerabilityResponseEffort": "NOT_DEFINED"
        },
        "source": "cna@vuldb.com",
        "type": "Secondary"
      }
    ]
  },
  "published": "2026-05-03T07:16:25.200",
  "references": [
    {
      "source": "cna@vuldb.com",
      "url": "https://tzh00203.notion.site/Edimax-BR-6428nC-v1-16-setWAN-pptpDfGateway-Stack-Overflow-33db5c52018a80c1835dd4fab4b6c7f2"
    },
    {
      "source": "cna@vuldb.com",
      "url": "https://vuldb.com/submit/801599"
    },
    {
      "source": "cna@vuldb.com",
      "url": "https://vuldb.com/vuln/360843"
    },
    {
      "source": "cna@vuldb.com",
      "url": "https://vuldb.com/vuln/360843/cti"
    }
  ],
  "sourceIdentifier": "cna@vuldb.com",
  "vulnStatus": "Deferred",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-119"
        },
        {
          "lang": "en",
          "value": "CWE-120"
        }
      ],
      "source": "cna@vuldb.com",
      "type": "Primary"
    }
  ]
}

GHSA-FWQ2-3MP4-CRXG

Vulnerability from github – Published: 2026-05-03 09:33 – Updated: 2026-05-03 09:33

Details

Severity

8.8 (High)


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

7.4 (High)


                  
                    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

Show details on source website

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{
  "affected": [],
  "aliases": [
    "CVE-2026-7684"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-119"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2026-05-03T07:16:25Z",
    "severity": "HIGH"
  },
  "details": "A security vulnerability has been detected in Edimax BR-6428nC up to 1.16. This impacts an unknown function of the file /goform/setWAN. Such manipulation of the argument pptpDfGateway\u00a0 leads to buffer overflow. The attack can be launched remotely. The exploit has been disclosed publicly and may be used. The vendor was contacted early about this disclosure but did not respond in any way.",
  "id": "GHSA-fwq2-3mp4-crxg",
  "modified": "2026-05-03T09:33:11Z",
  "published": "2026-05-03T09:33:11Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-7684"
    },
    {
      "type": "WEB",
      "url": "https://tzh00203.notion.site/Edimax-BR-6428nC-v1-16-setWAN-pptpDfGateway-Stack-Overflow-33db5c52018a80c1835dd4fab4b6c7f2"
    },
    {
      "type": "WEB",
      "url": "https://vuldb.com/submit/801599"
    },
    {
      "type": "WEB",
      "url": "https://vuldb.com/vuln/360843"
    },
    {
      "type": "WEB",
      "url": "https://vuldb.com/vuln/360843/cti"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
      "type": "CVSS_V3"
    },
    {
      "score": "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",
      "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.

Action not permitted

CVE-2026-7684 (GCVE-0-2026-7684)

FKIE_CVE-2026-7684

GHSA-FWQ2-3MP4-CRXG

Tags

Sightings

Nomenclature