cvelistv5 - cve-2025-0492

CVE-2025-0492 (GCVE-0-2025-0492)

Vulnerability from cvelistv5 – Published: 2025-01-15 22:00 – Updated: 2025-02-12 20:31

Summary

A vulnerability has been found in D-Link DIR-823X 240126/240802 and classified as critical. Affected by this vulnerability is the function FUN_00412244. The manipulation leads to null pointer dereference. The attack can be launched remotely. The exploit has been disclosed to the public and may be used.

Severity ?

8.7 (High)


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

7.5 (High)


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

7.5 (High)


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

CWE

CWE-476 - NULL Pointer Dereference
CWE-404 - Denial of Service

Assigner

VulDB

References

URL

Tags

	https://vuldb.com/?id.291937	vdb-entrytechnical-description
	https://vuldb.com/?ctiid.291937	signaturepermissions-required
	https://vuldb.com/?submit.475301	third-party-advisory
	https://tasty-foxtrot-3a8.notion.site/D-link-DIR-…	exploit
	https://www.dlink.com/	product

Impacted products

	Vendor	Product	Version
	D-Link	DIR-823X	Affected: 240126 Affected: 240802

Credits

hand_king (VulDB User)

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2025-0492",
                "options": [
                  {
                    "Exploitation": "poc"
                  },
                  {
                    "Automatable": "yes"
                  },
                  {
                    "Technical Impact": "total"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2025-01-16T14:47:29.205558Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2025-02-12T20:31:20.822Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "DIR-823X",
          "vendor": "D-Link",
          "versions": [
            {
              "status": "affected",
              "version": "240126"
            },
            {
              "status": "affected",
              "version": "240802"
            }
          ]
        }
      ],
      "credits": [
        {
          "lang": "en",
          "type": "reporter",
          "value": "hand_king (VulDB User)"
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "A vulnerability has been found in D-Link DIR-823X 240126/240802 and classified as critical. Affected by this vulnerability is the function FUN_00412244. The manipulation leads to null pointer dereference. The attack can be launched remotely. The exploit has been disclosed to the public and may be used."
        },
        {
          "lang": "de",
          "value": "In D-Link DIR-823X 240126/240802 wurde eine Schwachstelle gefunden. Sie wurde als kritisch eingestuft. Betroffen ist die Funktion FUN_00412244. Durch Manipulieren mit unbekannten Daten kann eine null pointer dereference-Schwachstelle ausgenutzt werden. Der Angriff kann \u00fcber das Netzwerk passieren. Der Exploit steht zur \u00f6ffentlichen Verf\u00fcgung."
        }
      ],
      "metrics": [
        {
          "cvssV4_0": {
            "baseScore": 8.7,
            "baseSeverity": "HIGH",
            "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N",
            "version": "4.0"
          }
        },
        {
          "cvssV3_1": {
            "baseScore": 7.5,
            "baseSeverity": "HIGH",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
            "version": "3.1"
          }
        },
        {
          "cvssV3_0": {
            "baseScore": 7.5,
            "baseSeverity": "HIGH",
            "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
            "version": "3.0"
          }
        },
        {
          "cvssV2_0": {
            "baseScore": 7.8,
            "vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:C",
            "version": "2.0"
          }
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-476",
              "description": "NULL Pointer Dereference",
              "lang": "en",
              "type": "CWE"
            }
          ]
        },
        {
          "descriptions": [
            {
              "cweId": "CWE-404",
              "description": "Denial of Service",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2025-01-15T22:00:17.134Z",
        "orgId": "1af790b2-7ee1-4545-860a-a788eba489b5",
        "shortName": "VulDB"
      },
      "references": [
        {
          "name": "VDB-291937 | D-Link DIR-823X FUN_00412244 null pointer dereference",
          "tags": [
            "vdb-entry",
            "technical-description"
          ],
          "url": "https://vuldb.com/?id.291937"
        },
        {
          "name": "VDB-291937 | CTI Indicators (IOB, IOC, IOA)",
          "tags": [
            "signature",
            "permissions-required"
          ],
          "url": "https://vuldb.com/?ctiid.291937"
        },
        {
          "name": "Submit #475301 | D-Link DIR-823X 240126, 240802 NULL Pointer Dereference",
          "tags": [
            "third-party-advisory"
          ],
          "url": "https://vuldb.com/?submit.475301"
        },
        {
          "tags": [
            "exploit"
          ],
          "url": "https://tasty-foxtrot-3a8.notion.site/D-link-DIR-823X-FUN_00412244-NULL-Pointer-Dereference-1730448e619580fcb7f9d871c6e7190a"
        },
        {
          "tags": [
            "product"
          ],
          "url": "https://www.dlink.com/"
        }
      ],
      "timeline": [
        {
          "lang": "en",
          "time": "2025-01-15T00:00:00.000Z",
          "value": "Advisory disclosed"
        },
        {
          "lang": "en",
          "time": "2025-01-15T01:00:00.000Z",
          "value": "VulDB entry created"
        },
        {
          "lang": "en",
          "time": "2025-01-15T13:54:35.000Z",
          "value": "VulDB entry last update"
        }
      ],
      "title": "D-Link DIR-823X FUN_00412244 null pointer dereference"
    }
  },
  "cveMetadata": {
    "assignerOrgId": "1af790b2-7ee1-4545-860a-a788eba489b5",
    "assignerShortName": "VulDB",
    "cveId": "CVE-2025-0492",
    "datePublished": "2025-01-15T22:00:17.134Z",
    "dateReserved": "2025-01-15T12:49:15.757Z",
    "dateUpdated": "2025-02-12T20:31:20.822Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1",
  "vulnerability-lookup:meta": {
    "nvd": "{\"cve\":{\"id\":\"CVE-2025-0492\",\"sourceIdentifier\":\"cna@vuldb.com\",\"published\":\"2025-01-15T22:15:27.157\",\"lastModified\":\"2025-09-24T18:41:12.727\",\"vulnStatus\":\"Analyzed\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"A vulnerability has been found in D-Link DIR-823X 240126/240802 and classified as critical. Affected by this vulnerability is the function FUN_00412244. The manipulation leads to null pointer dereference. The attack can be launched remotely. The exploit has been disclosed to the public and may be used.\"},{\"lang\":\"es\",\"value\":\" Se ha encontrado una vulnerabilidad en D-Link DIR-823X 240126/240802 y se ha clasificado como cr\u00edtica. Esta vulnerabilidad afecta a la funci\u00f3n FUN_00412244. La manipulaci\u00f3n provoca la desreferenciaci\u00f3n de puntero null. El ataque se puede ejecutar de forma remota. El exploit se ha hecho p\u00fablico y puede utilizarse.\"}],\"metrics\":{\"cvssMetricV40\":[{\"source\":\"cna@vuldb.com\",\"type\":\"Secondary\",\"cvssData\":{\"version\":\"4.0\",\"vectorString\":\"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/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\",\"baseScore\":8.7,\"baseSeverity\":\"HIGH\",\"attackVector\":\"NETWORK\",\"attackComplexity\":\"LOW\",\"attackRequirements\":\"NONE\",\"privilegesRequired\":\"NONE\",\"userInteraction\":\"NONE\",\"vulnConfidentialityImpact\":\"NONE\",\"vulnIntegrityImpact\":\"NONE\",\"vulnAvailabilityImpact\":\"HIGH\",\"subConfidentialityImpact\":\"NONE\",\"subIntegrityImpact\":\"NONE\",\"subAvailabilityImpact\":\"NONE\",\"exploitMaturity\":\"NOT_DEFINED\",\"confidentialityRequirement\":\"NOT_DEFINED\",\"integrityRequirement\":\"NOT_DEFINED\",\"availabilityRequirement\":\"NOT_DEFINED\",\"modifiedAttackVector\":\"NOT_DEFINED\",\"modifiedAttackComplexity\":\"NOT_DEFINED\",\"modifiedAttackRequirements\":\"NOT_DEFINED\",\"modifiedPrivilegesRequired\":\"NOT_DEFINED\",\"modifiedUserInteraction\":\"NOT_DEFINED\",\"modifiedVulnConfidentialityImpact\":\"NOT_DEFINED\",\"modifiedVulnIntegrityImpact\":\"NOT_DEFINED\",\"modifiedVulnAvailabilityImpact\":\"NOT_DEFINED\",\"modifiedSubConfidentialityImpact\":\"NOT_DEFINED\",\"modifiedSubIntegrityImpact\":\"NOT_DEFINED\",\"modifiedSubAvailabilityImpact\":\"NOT_DEFINED\",\"Safety\":\"NOT_DEFINED\",\"Automatable\":\"NOT_DEFINED\",\"Recovery\":\"NOT_DEFINED\",\"valueDensity\":\"NOT_DEFINED\",\"vulnerabilityResponseEffort\":\"NOT_DEFINED\",\"providerUrgency\":\"NOT_DEFINED\"}}],\"cvssMetricV31\":[{\"source\":\"cna@vuldb.com\",\"type\":\"Secondary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H\",\"baseScore\":7.5,\"baseSeverity\":\"HIGH\",\"attackVector\":\"NETWORK\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"NONE\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"NONE\",\"integrityImpact\":\"NONE\",\"availabilityImpact\":\"HIGH\"},\"exploitabilityScore\":3.9,\"impactScore\":3.6}],\"cvssMetricV2\":[{\"source\":\"cna@vuldb.com\",\"type\":\"Secondary\",\"cvssData\":{\"version\":\"2.0\",\"vectorString\":\"AV:N/AC:L/Au:N/C:N/I:N/A:C\",\"baseScore\":7.8,\"accessVector\":\"NETWORK\",\"accessComplexity\":\"LOW\",\"authentication\":\"NONE\",\"confidentialityImpact\":\"NONE\",\"integrityImpact\":\"NONE\",\"availabilityImpact\":\"COMPLETE\"},\"baseSeverity\":\"HIGH\",\"exploitabilityScore\":10.0,\"impactScore\":6.9,\"acInsufInfo\":false,\"obtainAllPrivilege\":false,\"obtainUserPrivilege\":false,\"obtainOtherPrivilege\":false,\"userInteractionRequired\":false}]},\"weaknesses\":[{\"source\":\"cna@vuldb.com\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-404\"},{\"lang\":\"en\",\"value\":\"CWE-476\"}]}],\"configurations\":[{\"operator\":\"AND\",\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:dlink:dir-823x_firmware:240126:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"3C63FF02-C46A-4DD9-AEB0-72FF5D4C2ABF\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:dlink:dir-823x_firmware:240802:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"692189D6-6D75-4C87-BA1F-15D9C34FAEF6\"}]},{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":false,\"criteria\":\"cpe:2.3:h:dlink:dir-823x:*:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"400F0B3F-BE84-4B2B-8D66-C3CFBDC0953F\"}]}]}],\"references\":[{\"url\":\"https://tasty-foxtrot-3a8.notion.site/D-link-DIR-823X-FUN_00412244-NULL-Pointer-Dereference-1730448e619580fcb7f9d871c6e7190a\",\"source\":\"cna@vuldb.com\",\"tags\":[\"Exploit\",\"Third Party Advisory\"]},{\"url\":\"https://vuldb.com/?ctiid.291937\",\"source\":\"cna@vuldb.com\",\"tags\":[\"Permissions Required\",\"VDB Entry\"]},{\"url\":\"https://vuldb.com/?id.291937\",\"source\":\"cna@vuldb.com\",\"tags\":[\"Third Party Advisory\",\"VDB Entry\"]},{\"url\":\"https://vuldb.com/?submit.475301\",\"source\":\"cna@vuldb.com\",\"tags\":[\"Third Party Advisory\",\"VDB Entry\"]},{\"url\":\"https://www.dlink.com/\",\"source\":\"cna@vuldb.com\",\"tags\":[\"Product\"]}]}}",
    "vulnrichment": {
      "containers": "{\"adp\": [{\"title\": \"CISA ADP Vulnrichment\", \"metrics\": [{\"other\": {\"type\": \"ssvc\", \"content\": {\"id\": \"CVE-2025-0492\", \"role\": \"CISA Coordinator\", \"options\": [{\"Exploitation\": \"poc\"}, {\"Automatable\": \"yes\"}, {\"Technical Impact\": \"total\"}], \"version\": \"2.0.3\", \"timestamp\": \"2025-01-16T14:47:29.205558Z\"}}}], \"providerMetadata\": {\"orgId\": \"134c704f-9b21-4f2e-91b3-4a467353bcc0\", \"shortName\": \"CISA-ADP\", \"dateUpdated\": \"2025-02-12T20:26:05.184Z\"}}], \"cna\": {\"title\": \"D-Link DIR-823X FUN_00412244 null pointer dereference\", \"credits\": [{\"lang\": \"en\", \"type\": \"reporter\", \"value\": \"hand_king (VulDB User)\"}], \"metrics\": [{\"cvssV4_0\": {\"version\": \"4.0\", \"baseScore\": 8.7, \"baseSeverity\": \"HIGH\", \"vectorString\": \"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N\"}}, {\"cvssV3_1\": {\"version\": \"3.1\", \"baseScore\": 7.5, \"baseSeverity\": \"HIGH\", \"vectorString\": \"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H\"}}, {\"cvssV3_0\": {\"version\": \"3.0\", \"baseScore\": 7.5, \"baseSeverity\": \"HIGH\", \"vectorString\": \"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H\"}}, {\"cvssV2_0\": {\"version\": \"2.0\", \"baseScore\": 7.8, \"vectorString\": \"AV:N/AC:L/Au:N/C:N/I:N/A:C\"}}], \"affected\": [{\"vendor\": \"D-Link\", \"product\": \"DIR-823X\", \"versions\": [{\"status\": \"affected\", \"version\": \"240126\"}, {\"status\": \"affected\", \"version\": \"240802\"}]}], \"timeline\": [{\"lang\": \"en\", \"time\": \"2025-01-15T00:00:00.000Z\", \"value\": \"Advisory disclosed\"}, {\"lang\": \"en\", \"time\": \"2025-01-15T01:00:00.000Z\", \"value\": \"VulDB entry created\"}, {\"lang\": \"en\", \"time\": \"2025-01-15T13:54:35.000Z\", \"value\": \"VulDB entry last update\"}], \"references\": [{\"url\": \"https://vuldb.com/?id.291937\", \"name\": \"VDB-291937 | D-Link DIR-823X FUN_00412244 null pointer dereference\", \"tags\": [\"vdb-entry\", \"technical-description\"]}, {\"url\": \"https://vuldb.com/?ctiid.291937\", \"name\": \"VDB-291937 | CTI Indicators (IOB, IOC, IOA)\", \"tags\": [\"signature\", \"permissions-required\"]}, {\"url\": \"https://vuldb.com/?submit.475301\", \"name\": \"Submit #475301 | D-Link DIR-823X 240126, 240802 NULL Pointer Dereference\", \"tags\": [\"third-party-advisory\"]}, {\"url\": \"https://tasty-foxtrot-3a8.notion.site/D-link-DIR-823X-FUN_00412244-NULL-Pointer-Dereference-1730448e619580fcb7f9d871c6e7190a\", \"tags\": [\"exploit\"]}, {\"url\": \"https://www.dlink.com/\", \"tags\": [\"product\"]}], \"descriptions\": [{\"lang\": \"en\", \"value\": \"A vulnerability has been found in D-Link DIR-823X 240126/240802 and classified as critical. Affected by this vulnerability is the function FUN_00412244. The manipulation leads to null pointer dereference. The attack can be launched remotely. The exploit has been disclosed to the public and may be used.\"}, {\"lang\": \"de\", \"value\": \"In D-Link DIR-823X 240126/240802 wurde eine Schwachstelle gefunden. Sie wurde als kritisch eingestuft. Betroffen ist die Funktion FUN_00412244. Durch Manipulieren mit unbekannten Daten kann eine null pointer dereference-Schwachstelle ausgenutzt werden. Der Angriff kann \\u00fcber das Netzwerk passieren. Der Exploit steht zur \\u00f6ffentlichen Verf\\u00fcgung.\"}], \"problemTypes\": [{\"descriptions\": [{\"lang\": \"en\", \"type\": \"CWE\", \"cweId\": \"CWE-476\", \"description\": \"NULL Pointer Dereference\"}]}, {\"descriptions\": [{\"lang\": \"en\", \"type\": \"CWE\", \"cweId\": \"CWE-404\", \"description\": \"Denial of Service\"}]}], \"providerMetadata\": {\"orgId\": \"1af790b2-7ee1-4545-860a-a788eba489b5\", \"shortName\": \"VulDB\", \"dateUpdated\": \"2025-01-15T22:00:17.134Z\"}}}",
      "cveMetadata": "{\"cveId\": \"CVE-2025-0492\", \"state\": \"PUBLISHED\", \"dateUpdated\": \"2025-02-12T20:31:20.822Z\", \"dateReserved\": \"2025-01-15T12:49:15.757Z\", \"assignerOrgId\": \"1af790b2-7ee1-4545-860a-a788eba489b5\", \"datePublished\": \"2025-01-15T22:00:17.134Z\", \"assignerShortName\": \"VulDB\"}",
      "dataType": "CVE_RECORD",
      "dataVersion": "5.1"
    }
  }
}

GHSA-2GX4-FPH4-HGJX

Vulnerability from github – Published: 2025-01-16 00:31 – Updated: 2025-01-16 00:31

Details

Severity ?

7.5 (High)


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

8.7 (High)


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

Show details on source website

JSON

To clipboard

{
  "affected": [],
  "aliases": [
    "CVE-2025-0492"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-404"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2025-01-15T22:15:27Z",
    "severity": "HIGH"
  },
  "details": "A vulnerability has been found in D-Link DIR-823X 240126/240802 and classified as critical. Affected by this vulnerability is the function FUN_00412244. The manipulation leads to null pointer dereference. The attack can be launched remotely. The exploit has been disclosed to the public and may be used.",
  "id": "GHSA-2gx4-fph4-hgjx",
  "modified": "2025-01-16T00:31:22Z",
  "published": "2025-01-16T00:31:22Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2025-0492"
    },
    {
      "type": "WEB",
      "url": "https://tasty-foxtrot-3a8.notion.site/D-link-DIR-823X-FUN_00412244-NULL-Pointer-Dereference-1730448e619580fcb7f9d871c6e7190a"
    },
    {
      "type": "WEB",
      "url": "https://vuldb.com/?ctiid.291937"
    },
    {
      "type": "WEB",
      "url": "https://vuldb.com/?id.291937"
    },
    {
      "type": "WEB",
      "url": "https://vuldb.com/?submit.475301"
    },
    {
      "type": "WEB",
      "url": "https://www.dlink.com"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
      "type": "CVSS_V3"
    },
    {
      "score": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/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"
    }
  ]
}

FKIE_CVE-2025-0492

Vulnerability from fkie_nvd - Published: 2025-01-15 22:15 - Updated: 2025-09-24 18:41

Severity ?

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

Summary

References

URL	Tags
cna@vuldb.com	https://tasty-foxtrot-3a8.notion.site/D-link-DIR-823X-FUN_00412244-NULL-Pointer-Dereference-1730448e619580fcb7f9d871c6e7190a	Exploit, Third Party Advisory
cna@vuldb.com	https://vuldb.com/?ctiid.291937	Permissions Required, VDB Entry
cna@vuldb.com	https://vuldb.com/?id.291937	Third Party Advisory, VDB Entry
cna@vuldb.com	https://vuldb.com/?submit.475301	Third Party Advisory, VDB Entry
cna@vuldb.com	https://www.dlink.com/	Product

Impacted products

Vendor	Product	Version
dlink	dir-823x_firmware	240126
dlink	dir-823x_firmware	240802
dlink	dir-823x	*

JSON

To clipboard

{
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:o:dlink:dir-823x_firmware:240126:*:*:*:*:*:*:*",
              "matchCriteriaId": "3C63FF02-C46A-4DD9-AEB0-72FF5D4C2ABF",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:dlink:dir-823x_firmware:240802:*:*:*:*:*:*:*",
              "matchCriteriaId": "692189D6-6D75-4C87-BA1F-15D9C34FAEF6",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        },
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:h:dlink:dir-823x:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "400F0B3F-BE84-4B2B-8D66-C3CFBDC0953F",
              "vulnerable": false
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ],
      "operator": "AND"
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "A vulnerability has been found in D-Link DIR-823X 240126/240802 and classified as critical. Affected by this vulnerability is the function FUN_00412244. The manipulation leads to null pointer dereference. The attack can be launched remotely. The exploit has been disclosed to the public and may be used."
    },
    {
      "lang": "es",
      "value": " Se ha encontrado una vulnerabilidad en D-Link DIR-823X 240126/240802 y se ha clasificado como cr\u00edtica. Esta vulnerabilidad afecta a la funci\u00f3n FUN_00412244. La manipulaci\u00f3n provoca la desreferenciaci\u00f3n de puntero null. El ataque se puede ejecutar de forma remota. El exploit se ha hecho p\u00fablico y puede utilizarse."
    }
  ],
  "id": "CVE-2025-0492",
  "lastModified": "2025-09-24T18:41:12.727",
  "metrics": {
    "cvssMetricV2": [
      {
        "acInsufInfo": false,
        "baseSeverity": "HIGH",
        "cvssData": {
          "accessComplexity": "LOW",
          "accessVector": "NETWORK",
          "authentication": "NONE",
          "availabilityImpact": "COMPLETE",
          "baseScore": 7.8,
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:C",
          "version": "2.0"
        },
        "exploitabilityScore": 10.0,
        "impactScore": 6.9,
        "obtainAllPrivilege": false,
        "obtainOtherPrivilege": false,
        "obtainUserPrivilege": false,
        "source": "cna@vuldb.com",
        "type": "Secondary",
        "userInteractionRequired": false
      }
    ],
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "HIGH",
          "baseScore": 7.5,
          "baseSeverity": "HIGH",
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "privilegesRequired": "NONE",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
          "version": "3.1"
        },
        "exploitabilityScore": 3.9,
        "impactScore": 3.6,
        "source": "cna@vuldb.com",
        "type": "Secondary"
      }
    ],
    "cvssMetricV40": [
      {
        "cvssData": {
          "Automatable": "NOT_DEFINED",
          "Recovery": "NOT_DEFINED",
          "Safety": "NOT_DEFINED",
          "attackComplexity": "LOW",
          "attackRequirements": "NONE",
          "attackVector": "NETWORK",
          "availabilityRequirement": "NOT_DEFINED",
          "baseScore": 8.7,
          "baseSeverity": "HIGH",
          "confidentialityRequirement": "NOT_DEFINED",
          "exploitMaturity": "NOT_DEFINED",
          "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": "NONE",
          "providerUrgency": "NOT_DEFINED",
          "subAvailabilityImpact": "NONE",
          "subConfidentialityImpact": "NONE",
          "subIntegrityImpact": "NONE",
          "userInteraction": "NONE",
          "valueDensity": "NOT_DEFINED",
          "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/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",
          "version": "4.0",
          "vulnAvailabilityImpact": "HIGH",
          "vulnConfidentialityImpact": "NONE",
          "vulnIntegrityImpact": "NONE",
          "vulnerabilityResponseEffort": "NOT_DEFINED"
        },
        "source": "cna@vuldb.com",
        "type": "Secondary"
      }
    ]
  },
  "published": "2025-01-15T22:15:27.157",
  "references": [
    {
      "source": "cna@vuldb.com",
      "tags": [
        "Exploit",
        "Third Party Advisory"
      ],
      "url": "https://tasty-foxtrot-3a8.notion.site/D-link-DIR-823X-FUN_00412244-NULL-Pointer-Dereference-1730448e619580fcb7f9d871c6e7190a"
    },
    {
      "source": "cna@vuldb.com",
      "tags": [
        "Permissions Required",
        "VDB Entry"
      ],
      "url": "https://vuldb.com/?ctiid.291937"
    },
    {
      "source": "cna@vuldb.com",
      "tags": [
        "Third Party Advisory",
        "VDB Entry"
      ],
      "url": "https://vuldb.com/?id.291937"
    },
    {
      "source": "cna@vuldb.com",
      "tags": [
        "Third Party Advisory",
        "VDB Entry"
      ],
      "url": "https://vuldb.com/?submit.475301"
    },
    {
      "source": "cna@vuldb.com",
      "tags": [
        "Product"
      ],
      "url": "https://www.dlink.com/"
    }
  ],
  "sourceIdentifier": "cna@vuldb.com",
  "vulnStatus": "Analyzed",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-404"
        },
        {
          "lang": "en",
          "value": "CWE-476"
        }
      ],
      "source": "cna@vuldb.com",
      "type": "Secondary"
    }
  ]
}

CNVD-2025-02107

Vulnerability from cnvd - Published: 2025-01-21

Title

D-Link DIR-823X存在未明漏洞（CNVD-2025-02107）

Description

D-Link DIR-823X是中国友讯（D-Link）公司的一款无线路由器。 D-Link DIR-823X 240126/240802版本存在安全漏洞，该漏洞源于存在空指针取消引用。目前没有详细的漏洞细节提供。

Severity

高

Formal description

厂商尚未提供漏洞修复方案，请关注厂商主页更新： https://nvd.nist.gov/vuln/detail/CVE-2025-0492

Reference

https://nvd.nist.gov/vuln/detail/CVE-2025-0492

Impacted products

Name
['D-Link DIR-823X 240126', 'D-Link DIR-823X 240802']

Show details on source website

JSON

To clipboard

{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2025-0492",
      "cveUrl": "https://nvd.nist.gov/vuln/detail/CVE-2025-0492"
    }
  },
  "description": "D-Link DIR-823X\u662f\u4e2d\u56fd\u53cb\u8baf\uff08D-Link\uff09\u516c\u53f8\u7684\u4e00\u6b3e\u65e0\u7ebf\u8def\u7531\u5668\u3002\n\nD-Link DIR-823X 240126/240802\u7248\u672c\u5b58\u5728\u5b89\u5168\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u5b58\u5728\u7a7a\u6307\u9488\u53d6\u6d88\u5f15\u7528\u3002\u76ee\u524d\u6ca1\u6709\u8be6\u7ec6\u7684\u6f0f\u6d1e\u7ec6\u8282\u63d0\u4f9b\u3002",
  "formalWay": "\u5382\u5546\u5c1a\u672a\u63d0\u4f9b\u6f0f\u6d1e\u4fee\u590d\u65b9\u6848\uff0c\u8bf7\u5173\u6ce8\u5382\u5546\u4e3b\u9875\u66f4\u65b0\uff1a\r\nhttps://nvd.nist.gov/vuln/detail/CVE-2025-0492",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2025-02107",
  "openTime": "2025-01-21",
  "products": {
    "product": [
      "D-Link DIR-823X 240126",
      "D-Link DIR-823X 240802"
    ]
  },
  "referenceLink": "https://nvd.nist.gov/vuln/detail/CVE-2025-0492",
  "serverity": "\u9ad8",
  "submitTime": "2025-01-17",
  "title": "D-Link DIR-823X\u5b58\u5728\u672a\u660e\u6f0f\u6d1e\uff08CNVD-2025-02107\uff09"
}

WID-SEC-W-2025-0107

Vulnerability from csaf_certbund - Published: 2025-01-15 23:00 - Updated: 2025-01-15 23:00

Summary

D-LINK Router (DIR-823X): Schwachstelle ermöglicht Denial of Service

Notes

Das BSI ist als Anbieter für die eigenen, zur Nutzung bereitgestellten Inhalte nach den allgemeinen Gesetzen verantwortlich. Nutzerinnen und Nutzer sind jedoch dafür verantwortlich, die Verwendung und/oder die Umsetzung der mit den Inhalten bereitgestellten Informationen sorgfältig im Einzelfall zu prüfen.

Produktbeschreibung

Router der Firma D-LINK enthalten eine Firewall und in der Regel eine WLAN-Schnittstelle. Die Geräte sind hauptsächlich für private Anwender und Kleinunternehmen konzipiert.

Angriff

Ein entfernter, anonymer Angreifer kann eine Schwachstelle in D-LINK DIR-823X Routern ausnutzen, um einen Denial of Service Angriff durchzuführen.

Betroffene Betriebssysteme

- Hardware Appliance

JSON

To clipboard

{
  "document": {
    "aggregate_severity": {
      "text": "hoch"
    },
    "category": "csaf_base",
    "csaf_version": "2.0",
    "distribution": {
      "tlp": {
        "label": "WHITE",
        "url": "https://www.first.org/tlp/"
      }
    },
    "lang": "de-DE",
    "notes": [
      {
        "category": "legal_disclaimer",
        "text": "Das BSI ist als Anbieter f\u00fcr die eigenen, zur Nutzung bereitgestellten Inhalte nach den allgemeinen Gesetzen verantwortlich. Nutzerinnen und Nutzer sind jedoch daf\u00fcr verantwortlich, die Verwendung und/oder die Umsetzung der mit den Inhalten bereitgestellten Informationen sorgf\u00e4ltig im Einzelfall zu pr\u00fcfen."
      },
      {
        "category": "description",
        "text": "Router der Firma D-LINK enthalten eine Firewall und in der Regel eine WLAN-Schnittstelle. Die Ger\u00e4te sind haupts\u00e4chlich f\u00fcr private Anwender und Kleinunternehmen konzipiert.",
        "title": "Produktbeschreibung"
      },
      {
        "category": "summary",
        "text": "Ein entfernter, anonymer Angreifer kann eine Schwachstelle in D-LINK DIR-823X Routern ausnutzen, um einen Denial of Service Angriff durchzuf\u00fchren.",
        "title": "Angriff"
      },
      {
        "category": "general",
        "text": "- Hardware Appliance",
        "title": "Betroffene Betriebssysteme"
      }
    ],
    "publisher": {
      "category": "other",
      "contact_details": "csaf-provider@cert-bund.de",
      "name": "Bundesamt f\u00fcr Sicherheit in der Informationstechnik",
      "namespace": "https://www.bsi.bund.de"
    },
    "references": [
      {
        "category": "self",
        "summary": "WID-SEC-W-2025-0107 - CSAF Version",
        "url": "https://wid.cert-bund.de/.well-known/csaf/white/2025/wid-sec-w-2025-0107.json"
      },
      {
        "category": "self",
        "summary": "WID-SEC-2025-0107 - Portal Version",
        "url": "https://wid.cert-bund.de/portal/wid/securityadvisory?name=WID-SEC-2025-0107"
      },
      {
        "category": "external",
        "summary": "NIST Vulnerability Database vom 2025-01-15",
        "url": "https://nvd.nist.gov/vuln/detail/CVE-2025-0492"
      },
      {
        "category": "external",
        "summary": "PoC vom 2025-01-15",
        "url": "https://tasty-foxtrot-3a8.notion.site/D-link-DIR-823X-FUN_00412244-NULL-Pointer-Dereference-1730448e619580fcb7f9d871c6e7190a"
      }
    ],
    "source_lang": "en-US",
    "title": "D-LINK Router (DIR-823X): Schwachstelle erm\u00f6glicht Denial of Service",
    "tracking": {
      "current_release_date": "2025-01-15T23:00:00.000+00:00",
      "generator": {
        "date": "2025-01-16T11:43:18.367+00:00",
        "engine": {
          "name": "BSI-WID",
          "version": "1.3.10"
        }
      },
      "id": "WID-SEC-W-2025-0107",
      "initial_release_date": "2025-01-15T23:00:00.000+00:00",
      "revision_history": [
        {
          "date": "2025-01-15T23:00:00.000+00:00",
          "number": "1",
          "summary": "Initiale Fassung"
        }
      ],
      "status": "final",
      "version": "1"
    }
  },
  "product_tree": {
    "branches": [
      {
        "branches": [
          {
            "branches": [
              {
                "category": "product_version",
                "name": "DIR-823X 240126",
                "product": {
                  "name": "D-LINK Router DIR-823X 240126",
                  "product_id": "T040359",
                  "product_identification_helper": {
                    "cpe": "cpe:/h:d-link:router:dir-823x_240126"
                  }
                }
              },
              {
                "category": "product_version",
                "name": "DIR-823X 240802",
                "product": {
                  "name": "D-LINK Router DIR-823X 240802",
                  "product_id": "T040360",
                  "product_identification_helper": {
                    "cpe": "cpe:/h:d-link:router:dir-823x_240802"
                  }
                }
              }
            ],
            "category": "product_name",
            "name": "Router"
          }
        ],
        "category": "vendor",
        "name": "D-LINK"
      }
    ]
  },
  "vulnerabilities": [
    {
      "cve": "CVE-2025-0492",
      "notes": [
        {
          "category": "description",
          "text": "Es besteht eine Schwachstelle in D-LINK Routern. Die DIR-823X-Firmware ist anf\u00e4llig f\u00fcr eine unsachgem\u00e4\u00dfe Eingabevalidierung in der Funktion FUN_00412244, was zu einer Null- Pointer- Dereferenz f\u00fchrt. Ein entfernter, anonymer Angreifer kann diese Schwachstelle ausnutzen, um einen Denial-of-Service-Zustand zu erzeugen."
        }
      ],
      "product_status": {
        "known_affected": [
          "T040360",
          "T040359"
        ]
      },
      "release_date": "2025-01-15T23:00:00.000+00:00",
      "title": "CVE-2025-0492"
    }
  ]
}

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

CVE-2025-0492 (GCVE-0-2025-0492)

GHSA-2GX4-FPH4-HGJX

FKIE_CVE-2025-0492

CNVD-2025-02107

WID-SEC-W-2025-0107

Tags

Sightings

Nomenclature