Vulnerability-Lookup

CNVD-2025-13070

Vulnerability from cnvd - Published: 2025-06-20

Title

D-Link DAP-1562空指针取消引用漏洞

Description

D-Link DAP-1562是中国友讯（D-Link）公司的一款无线网桥。 D-Link DAP-1562存在空指针取消引用漏洞，该漏洞源于HTTP POST Request Handler的函数pure_auth_check对参数a1存在空指针取消引用，目前没有详细的漏洞细节提供。

Severity

中

Formal description

目前厂商尚未发布升级程序修复该安全问题，详情见厂商官网： https://www.dlink.com/

Reference

https://vuldb.com/?ctiid.298191

Impacted products

Name
D-Link D-Link DAP-1562 1.10

Show details on source website

JSON

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{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2025-1877",
      "cveUrl": "https://nvd.nist.gov/vuln/detail/CVE-2025-1877"
    }
  },
  "description": "D-Link DAP-1562\u662f\u4e2d\u56fd\u53cb\u8baf\uff08D-Link\uff09\u516c\u53f8\u7684\u4e00\u6b3e\u65e0\u7ebf\u7f51\u6865\u3002\n\nD-Link DAP-1562\u5b58\u5728\u7a7a\u6307\u9488\u53d6\u6d88\u5f15\u7528\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8eHTTP POST Request Handler\u7684\u51fd\u6570pure_auth_check\u5bf9\u53c2\u6570a1\u5b58\u5728\u7a7a\u6307\u9488\u53d6\u6d88\u5f15\u7528\uff0c\u76ee\u524d\u6ca1\u6709\u8be6\u7ec6\u7684\u6f0f\u6d1e\u7ec6\u8282\u63d0\u4f9b\u3002",
  "formalWay": "\u76ee\u524d\u5382\u5546\u5c1a\u672a\u53d1\u5e03\u5347\u7ea7\u7a0b\u5e8f\u4fee\u590d\u8be5\u5b89\u5168\u95ee\u9898\uff0c\u8be6\u60c5\u89c1\u5382\u5546\u5b98\u7f51\uff1a\r\nhttps://www.dlink.com/",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2025-13070",
  "openTime": "2025-06-20",
  "products": {
    "product": "D-Link D-Link DAP-1562 1.10"
  },
  "referenceLink": "https://vuldb.com/?ctiid.298191",
  "serverity": "\u4e2d",
  "submitTime": "2025-03-13",
  "title": "D-Link DAP-1562\u7a7a\u6307\u9488\u53d6\u6d88\u5f15\u7528\u6f0f\u6d1e"
}

CVE-2025-1877 (GCVE-0-2025-1877)

Vulnerability from cvelistv5 – Published: 2025-03-03 18:31 – Updated: 2025-03-03 20:15 Unsupported When Assigned

Title

D-Link DAP-1562 HTTP POST Request pure_auth_check null pointer dereference

Summary

A vulnerability, which was classified as critical, was found in D-Link DAP-1562 1.10. This affects the function pure_auth_check of the component HTTP POST Request Handler. The manipulation of the argument a1 leads to null pointer dereference. It is possible to initiate the attack remotely. The exploit has been disclosed to the public and may be used. This vulnerability only affects products that are no longer supported by the maintainer.

Severity

7.1 (High)


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

6.5 (Medium)


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

6.5 (Medium)


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

SSVC

Exploitation: poc Automatable: no Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2025-03-03 20:11 UTC

CWE

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

Assigner

VulDB mitre root

References

5 references

URL	Tags
https://vuldb.com/?id.298191	vdb-entrytechnical-description
https://vuldb.com/?ctiid.298191	signaturepermissions-required
https://vuldb.com/?submit.506526	third-party-advisory
https://witty-maiasaura-083.notion.site/D-link-DA…	exploit
https://www.dlink.com/	product

Impacted products

1 product

Vendor	Product	Version
D-Link	DAP-1562	Affected: 1.10

Show details on NVD website

JSON

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{
  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2025-1877",
                "options": [
                  {
                    "Exploitation": "poc"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2025-03-03T20:11:36.505075Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2025-03-03T20:15:08.093Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "modules": [
            "HTTP POST Request Handler"
          ],
          "product": "DAP-1562",
          "vendor": "D-Link",
          "versions": [
            {
              "status": "affected",
              "version": "1.10"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "A vulnerability, which was classified as critical, was found in D-Link DAP-1562 1.10. This affects the function pure_auth_check of the component HTTP POST Request Handler. The manipulation of the argument a1 leads to null pointer dereference. It is possible to initiate the attack remotely. The exploit has been disclosed to the public and may be used. This vulnerability only affects products that are no longer supported by the maintainer."
        },
        {
          "lang": "de",
          "value": "Es wurde eine kritische Schwachstelle in D-Link DAP-1562 1.10 gefunden. Hiervon betroffen ist die Funktion pure_auth_check der Komponente HTTP POST Request Handler. Durch die Manipulation des Arguments a1 mit unbekannten Daten kann eine null pointer dereference-Schwachstelle ausgenutzt werden. Der Angriff kann \u00fcber das Netzwerk angegangen werden. Der Exploit steht zur \u00f6ffentlichen Verf\u00fcgung."
        }
      ],
      "metrics": [
        {
          "cvssV4_0": {
            "baseScore": 7.1,
            "baseSeverity": "HIGH",
            "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N",
            "version": "4.0"
          }
        },
        {
          "cvssV3_1": {
            "baseScore": 6.5,
            "baseSeverity": "MEDIUM",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
            "version": "3.1"
          }
        },
        {
          "cvssV3_0": {
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            "baseSeverity": "MEDIUM",
            "vectorString": "CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
            "version": "3.0"
          }
        },
        {
          "cvssV2_0": {
            "baseScore": 6.8,
            "vectorString": "AV:N/AC:L/Au:S/C:N/I:N/A:C",
            "version": "2.0"
          }
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-476",
              "description": "NULL Pointer Dereference",
              "lang": "en",
              "type": "CWE"
            }
          ]
        },
        {
          "descriptions": [
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              "cweId": "CWE-404",
              "description": "Denial of Service",
              "lang": "en",
              "type": "CWE"
            }
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      ],
      "providerMetadata": {
        "dateUpdated": "2025-03-03T18:31:05.497Z",
        "orgId": "1af790b2-7ee1-4545-860a-a788eba489b5",
        "shortName": "VulDB"
      },
      "references": [
        {
          "name": "VDB-298191 | D-Link DAP-1562 HTTP POST Request pure_auth_check null pointer dereference",
          "tags": [
            "vdb-entry",
            "technical-description"
          ],
          "url": "https://vuldb.com/?id.298191"
        },
        {
          "name": "VDB-298191 | CTI Indicators (IOB, IOC, IOA)",
          "tags": [
            "signature",
            "permissions-required"
          ],
          "url": "https://vuldb.com/?ctiid.298191"
        },
        {
          "name": "Submit #506526 | D-Link DAP-1562 1.10 NULL Pointer Dereference",
          "tags": [
            "third-party-advisory"
          ],
          "url": "https://vuldb.com/?submit.506526"
        },
        {
          "tags": [
            "exploit"
          ],
          "url": "https://witty-maiasaura-083.notion.site/D-link-DAP-1562-pure_auth_check-Vulnerability-1a5b2f2a63618013a1fecb743f2d0667"
        },
        {
          "tags": [
            "product"
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          "url": "https://www.dlink.com/"
        }
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      "tags": [
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          "lang": "en",
          "time": "2025-03-03T00:00:00.000Z",
          "value": "Advisory disclosed"
        },
        {
          "lang": "en",
          "time": "2025-03-03T01:00:00.000Z",
          "value": "VulDB entry created"
        },
        {
          "lang": "en",
          "time": "2025-03-03T13:19:17.000Z",
          "value": "VulDB entry last update"
        }
      ],
      "title": "D-Link DAP-1562 HTTP POST Request pure_auth_check null pointer dereference"
    }
  },
  "cveMetadata": {
    "assignerOrgId": "1af790b2-7ee1-4545-860a-a788eba489b5",
    "assignerShortName": "VulDB",
    "cveId": "CVE-2025-1877",
    "datePublished": "2025-03-03T18:31:05.497Z",
    "dateReserved": "2025-03-03T12:14:05.682Z",
    "dateUpdated": "2025-03-03T20:15:08.093Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1"
}

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.

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CNVD-2025-13070

CVE-2025-1877 (GCVE-0-2025-1877)

Tags

Sightings

Nomenclature

Related by attack behaviour