Vulnerability-Lookup

GHSA-MPWM-CJCC-56WQ

Vulnerability from github – Published: 2026-01-16 21:30 – Updated: 2026-01-16 21:30

Details

DHCP Broadband 4.1.0.1503 contains an unquoted service path vulnerability in its service configuration that allows local attackers to execute code with elevated privileges. Attackers can exploit the unquoted path in 'C:\Program Files\DHCP Broadband 4\dhcpt.exe' to inject malicious code that will execute during service startup with LocalSystem permissions.

Severity ?

7.8 (High)


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

8.5 (High)


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

Show details on source website

JSON

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{
  "affected": [],
  "aliases": [
    "CVE-2021-47829"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-428"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2026-01-16T19:16:08Z",
    "severity": "HIGH"
  },
  "details": "DHCP Broadband 4.1.0.1503 contains an unquoted service path vulnerability in its service configuration that allows local attackers to execute code with elevated privileges. Attackers can exploit the unquoted path in \u0027C:\\Program Files\\DHCP Broadband 4\\dhcpt.exe\u0027 to inject malicious code that will execute during service startup with LocalSystem permissions.",
  "id": "GHSA-mpwm-cjcc-56wq",
  "modified": "2026-01-16T21:30:36Z",
  "published": "2026-01-16T21:30:36Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2021-47829"
    },
    {
      "type": "WEB",
      "url": "https://www.exploit-db.com/exploits/49850"
    },
    {
      "type": "WEB",
      "url": "https://www.vulncheck.com/advisories/dhcp-broadband-dhcptexe-unquoted-service-path"
    },
    {
      "type": "WEB",
      "url": "https://www.weird-solutions.com"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
      "type": "CVSS_V3"
    },
    {
      "score": "CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/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"
    }
  ]
}

CVE-2021-47829 (GCVE-0-2021-47829)

Vulnerability from cvelistv5 – Published: 2026-01-16 19:09 – Updated: 2026-01-16 21:10

Title

DHCP Broadband 4.1.0.1503 - 'dhcpt.exe' Unquoted Service Path

Summary

Severity ?

8.5 (High)


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

7.8 (High)


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

CWE

CWE-428 - Unquoted Search Path or Element

Assigner

VulnCheck

References

URL

Tags

	https://www.exploit-db.com/exploits/49850	exploit
	https://www.weird-solutions.com	product
	https://www.vulncheck.com/advisories/dhcp-broadba…	third-party-advisory

Impacted products

	Vendor	Product	Version
	Weird-Solutions	DHCP Broadband	Affected: 4.1.0.1503

Credits

Erick Galindo

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2021-47829",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "total"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2026-01-16T21:01:40.105807Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2026-01-16T21:10:39.122Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "DHCP Broadband",
          "vendor": "Weird-Solutions",
          "versions": [
            {
              "status": "affected",
              "version": "4.1.0.1503"
            }
          ]
        }
      ],
      "credits": [
        {
          "lang": "en",
          "type": "finder",
          "value": "Erick Galindo"
        }
      ],
      "datePublic": "2020-05-07T00:00:00.000Z",
      "descriptions": [
        {
          "lang": "en",
          "value": "DHCP Broadband 4.1.0.1503 contains an unquoted service path vulnerability in its service configuration that allows local attackers to execute code with elevated privileges. Attackers can exploit the unquoted path in \u0027C:\\Program Files\\DHCP Broadband 4\\dhcpt.exe\u0027 to inject malicious code that will execute during service startup with LocalSystem permissions."
        }
      ],
      "metrics": [
        {
          "cvssV4_0": {
            "Automatable": "NOT_DEFINED",
            "Recovery": "NOT_DEFINED",
            "Safety": "NOT_DEFINED",
            "attackComplexity": "LOW",
            "attackRequirements": "NONE",
            "attackVector": "LOCAL",
            "baseScore": 8.5,
            "baseSeverity": "HIGH",
            "exploitMaturity": "NOT_DEFINED",
            "privilegesRequired": "LOW",
            "providerUrgency": "NOT_DEFINED",
            "subAvailabilityImpact": "NONE",
            "subConfidentialityImpact": "NONE",
            "subIntegrityImpact": "NONE",
            "userInteraction": "NONE",
            "valueDensity": "NOT_DEFINED",
            "vectorString": "CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N",
            "version": "4.0",
            "vulnAvailabilityImpact": "HIGH",
            "vulnConfidentialityImpact": "HIGH",
            "vulnIntegrityImpact": "HIGH",
            "vulnerabilityResponseEffort": "NOT_DEFINED"
          },
          "format": "CVSS"
        },
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            "attackComplexity": "LOW",
            "attackVector": "LOCAL",
            "availabilityImpact": "HIGH",
            "baseScore": 7.8,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "HIGH",
            "privilegesRequired": "LOW",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
            "version": "3.1"
          },
          "format": "CVSS"
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      "problemTypes": [
        {
          "descriptions": [
            {
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              "description": "Unquoted Search Path or Element",
              "lang": "en",
              "type": "CWE"
            }
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      ],
      "providerMetadata": {
        "dateUpdated": "2026-01-16T19:09:33.007Z",
        "orgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10",
        "shortName": "VulnCheck"
      },
      "references": [
        {
          "name": "ExploitDB-49850",
          "tags": [
            "exploit"
          ],
          "url": "https://www.exploit-db.com/exploits/49850"
        },
        {
          "name": "Vendor Homepage",
          "tags": [
            "product"
          ],
          "url": "https://www.weird-solutions.com"
        },
        {
          "name": "VulnCheck Advisory: DHCP Broadband 4.1.0.1503 - \u0027dhcpt.exe\u0027 Unquoted Service Path",
          "tags": [
            "third-party-advisory"
          ],
          "url": "https://www.vulncheck.com/advisories/dhcp-broadband-dhcptexe-unquoted-service-path"
        }
      ],
      "title": "DHCP Broadband 4.1.0.1503 - \u0027dhcpt.exe\u0027 Unquoted Service Path",
      "x_generator": {
        "engine": "vulncheck"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10",
    "assignerShortName": "VulnCheck",
    "cveId": "CVE-2021-47829",
    "datePublished": "2026-01-16T19:09:33.007Z",
    "dateReserved": "2026-01-14T17:11:19.900Z",
    "dateUpdated": "2026-01-16T21:10:39.122Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}

Sightings

Author	Source	Type	Date

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

GHSA-MPWM-CJCC-56WQ

CVE-2021-47829 (GCVE-0-2021-47829)

Tags

Sightings

Nomenclature