Vulnerability-Lookup

JVNDB-2025-000049

Vulnerability from jvndb - Published: 2025-07-16 04:54 - Updated:2025-07-16 04:54

Severity

4.5 (Medium) - cvssV3_0 - CVSS:3.0/AV:A/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N

Summary

ZWX-2000CSW2-HN and ZWX-2000CS2-HN vulnerable to use of hard-coded credentials

Details

ZWX-2000CSW2-HN and ZWX-2000CS2-HN provided by ZEXELON CO., LTD. contain the following vulnerability. * Use of Hard-coded Credentials (CWE-798) - CVE-2025-53842 This vulnerability is caused by an insufficient fix for CVE-2024-39838 (JVN#70666401). Hiroki Sato of Institute of Science Tokyo reported this vulnerability to IPA. JPCERT/CC coordinated with the developer under Information Security Early Warning Partnership.

References

Type

URL

	JVN	https://jvn.jp/en/jp/JVN70666401/
	JVN	https://jvn.jp/en/jp/JVN44419726/index.html
	CVE	https://www.cve.org/CVERecord?id=CVE-2025-53842
	No Mapping(CWE-Other)	https://www.ipa.go.jp/en/security/vulnerabilities/cwe.html

Impacted products

Vendor

Product

	ZEXELON CO., LTD.	ZWX-2000CS2-HN
	ZEXELON CO., LTD.	ZWX-2000CS2-HN
	ZEXELON CO., LTD.	ZWX-2000CSW2-HN
	ZEXELON CO., LTD.	ZWX-2000CSW2-HN
	ZEXELON CO., LTD.	ZWX-2000CSW2-HN

Show details on JVN DB website

JSON

To clipboard

{
  "@rdf:about": "https://jvndb.jvn.jp/en/contents/2025/JVNDB-2025-000049.html",
  "dc:date": "2025-07-16T13:54+09:00",
  "dcterms:issued": "2025-07-16T13:54+09:00",
  "dcterms:modified": "2025-07-16T13:54+09:00",
  "description": "ZWX-2000CSW2-HN and ZWX-2000CS2-HN provided by ZEXELON CO., LTD. contain the following vulnerability.\r\n\r\n* Use of Hard-coded Credentials (CWE-798) - CVE-2025-53842\r\n\r\nThis vulnerability is caused by an insufficient fix for CVE-2024-39838 (\u003ca href=\"https://jvn.jp/en/jp/JVN70666401/\"target=\"blank\"\u003eJVN#70666401\u003c/a\u003e).\r\n\r\nHiroki Sato of Institute of Science Tokyo reported this vulnerability to IPA.\r\nJPCERT/CC coordinated with the developer under Information Security Early Warning Partnership.",
  "link": "https://jvndb.jvn.jp/en/contents/2025/JVNDB-2025-000049.html",
  "sec:cpe": [
    {
      "#text": "cpe:/a:misc:zexelon_zwx-2000cs2-hn",
      "@product": "ZWX-2000CS2-HN",
      "@vendor": "ZEXELON CO., LTD.",
      "@version": "2.2"
    },
    {
      "#text": "cpe:/a:misc:zexelon_zwx-2000cs2-hn",
      "@product": "ZWX-2000CS2-HN",
      "@vendor": "ZEXELON CO., LTD.",
      "@version": "2.2"
    },
    {
      "#text": "cpe:/a:misc:zexelon_zwx-2000csw2-hn",
      "@product": "ZWX-2000CSW2-HN",
      "@vendor": "ZEXELON CO., LTD.",
      "@version": "2.2"
    },
    {
      "#text": "cpe:/a:misc:zexelon_zwx-2000csw2-hn",
      "@product": "ZWX-2000CSW2-HN",
      "@vendor": "ZEXELON CO., LTD.",
      "@version": "2.2"
    },
    {
      "#text": "cpe:/a:misc:zexelon_zwx-2000csw2-hn",
      "@product": "ZWX-2000CSW2-HN",
      "@vendor": "ZEXELON CO., LTD.",
      "@version": "2.2"
    }
  ],
  "sec:cvss": {
    "@score": "4.5",
    "@severity": "Medium",
    "@type": "Base",
    "@vector": "CVSS:3.0/AV:A/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N",
    "@version": "3.0"
  },
  "sec:identifier": "JVNDB-2025-000049",
  "sec:references": [
    {
      "#text": "https://jvn.jp/en/jp/JVN70666401/",
      "@id": "JVN#70666401",
      "@source": "JVN"
    },
    {
      "#text": "https://jvn.jp/en/jp/JVN44419726/index.html",
      "@id": "JVN#44419726",
      "@source": "JVN"
    },
    {
      "#text": "https://www.cve.org/CVERecord?id=CVE-2025-53842",
      "@id": "CVE-2025-53842",
      "@source": "CVE"
    },
    {
      "#text": "https://www.ipa.go.jp/en/security/vulnerabilities/cwe.html",
      "@id": "CWE-Other",
      "@title": "No Mapping(CWE-Other)"
    }
  ],
  "title": "ZWX-2000CSW2-HN and ZWX-2000CS2-HN vulnerable to use of hard-coded credentials"
}

CVE-2025-53842 (GCVE-0-2025-53842)

Vulnerability from cvelistv5 – Published: 2025-07-16 04:30 – Updated: 2025-07-18 14:47

Summary

Use of hard-coded credentials issue exists in ZWX-2000CSW2-HN prior to 0.3.19 and ZWX-2000CS2-HN firmware all versions. If this vulnerability is exploited, an attacker may tamper with the settings of the device by obtaining the credentials. This vulnerability is caused by an insufficient fix for CVE-2024-39838.

Severity

4.5 (Medium)


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

6.8 (Medium)


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

SSVC

Exploitation: none Automatable: no Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2025-07-18 14:47 UTC

CWE

CWE-798 - Use of hard-coded credentials

Assigner

jpcert jpcert root

References

3 references

URL	Tags
https://zexelon.co.jp/pdf/jvn44419726.pdf
https://jvn.jp/en/jp/JVN44419726/
https://www.cve.org/CVERecord?id=CVE-2024-39838

Impacted products

2 products

Vendor	Product	Version
ZEXELON CO., LTD.	ZWX-2000CSW2-HN	Affected: prior to 0.3.19
ZEXELON CO., LTD.	ZWX-2000CS2-HN	Affected: all versions

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2025-53842",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2025-07-18T14:47:02.598589Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2025-07-18T14:47:09.380Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "ZWX-2000CSW2-HN",
          "vendor": "ZEXELON CO., LTD.",
          "versions": [
            {
              "status": "affected",
              "version": "prior to 0.3.19"
            }
          ]
        },
        {
          "product": "ZWX-2000CS2-HN",
          "vendor": "ZEXELON CO., LTD.",
          "versions": [
            {
              "status": "affected",
              "version": "all versions"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "Use of hard-coded credentials issue exists in ZWX-2000CSW2-HN prior to 0.3.19 and ZWX-2000CS2-HN firmware all versions. If this vulnerability is exploited, an attacker may tamper with the settings of the device by obtaining the credentials. This vulnerability is caused by an insufficient fix for CVE-2024-39838."
        }
      ],
      "metrics": [
        {
          "cvssV3_0": {
            "baseScore": 4.5,
            "baseSeverity": "MEDIUM",
            "vectorString": "CVSS:3.0/AV:A/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N",
            "version": "3.0"
          },
          "format": "CVSS",
          "scenarios": [
            {
              "lang": "en-US",
              "value": "GENERAL"
            }
          ]
        },
        {
          "cvssV4_0": {
            "baseScore": 6.8,
            "baseSeverity": "MEDIUM",
            "vectorString": "CVSS:4.0/AV:A/AC:L/AT:N/PR:H/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N",
            "version": "4.0"
          },
          "format": "CVSS",
          "scenarios": [
            {
              "lang": "en-US",
              "value": "GENERAL"
            }
          ]
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-798",
              "description": "Use of hard-coded credentials",
              "lang": "en-US",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2025-07-16T04:30:36.624Z",
        "orgId": "ede6fdc4-6654-4307-a26d-3331c018e2ce",
        "shortName": "jpcert"
      },
      "references": [
        {
          "url": "https://zexelon.co.jp/pdf/jvn44419726.pdf"
        },
        {
          "url": "https://jvn.jp/en/jp/JVN44419726/"
        },
        {
          "url": "https://www.cve.org/CVERecord?id=CVE-2024-39838"
        }
      ]
    }
  },
  "cveMetadata": {
    "assignerOrgId": "ede6fdc4-6654-4307-a26d-3331c018e2ce",
    "assignerShortName": "jpcert",
    "cveId": "CVE-2025-53842",
    "datePublished": "2025-07-16T04:30:36.624Z",
    "dateReserved": "2025-07-10T01:58:07.983Z",
    "dateUpdated": "2025-07-18T14:47:09.380Z",
    "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.