jvndb - jvndb-2025-000095

JVNDB-2025-000095

Vulnerability from jvndb - Published: 2025-10-28 14:04 - Updated:2025-10-28 14:04

Severity ?

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

Summary

MZK-DP300N uses hard-coded credentials

Details

MZK-DP300N provided by PLANEX COMMUNICATIONS INC. contains the following vulnerability.

Use of hard-coded credentials (CWE-798) - CVE-2025-62777

Toshiki Iwasaki of Mitsui Bussan Secure Directions, Inc. 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/JVN00021602/index.html
	CVE	https://www.cve.org/CVERecord?id=CVE-2025-62777
	No Mapping(CWE-Other)	https://www.ipa.go.jp/en/security/vulnerabilities/cwe.html

Impacted products

Vendor

Product

PLANEX COMMUNICATIONS INC.

MZK-DP300N

Show details on JVN DB website

JSON

To clipboard

{
  "@rdf:about": "https://jvndb.jvn.jp/en/contents/2025/JVNDB-2025-000095.html",
  "dc:date": "2025-10-28T14:04+09:00",
  "dcterms:issued": "2025-10-28T14:04+09:00",
  "dcterms:modified": "2025-10-28T14:04+09:00",
  "description": "MZK-DP300N provided by PLANEX COMMUNICATIONS INC. contains the following vulnerability.\u003cul\u003e\u003cli\u003eUse of hard-coded credentials (CWE-798) - CVE-2025-62777\u003c/li\u003e\u003c/ul\u003e\r\nToshiki Iwasaki of Mitsui Bussan Secure Directions, Inc. 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-2025-000095.html",
  "sec:cpe": {
    "#text": "cpe:/o:planex:mzk-dp300n",
    "@product": "MZK-DP300N",
    "@vendor": "PLANEX COMMUNICATIONS INC.",
    "@version": "2.2"
  },
  "sec:cvss": {
    "@score": "8.8",
    "@severity": "High",
    "@type": "Base",
    "@vector": "CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
    "@version": "3.0"
  },
  "sec:identifier": "JVNDB-2025-000095",
  "sec:references": [
    {
      "#text": "https://jvn.jp/en/jp/JVN00021602/index.html",
      "@id": "JVN#00021602",
      "@source": "JVN"
    },
    {
      "#text": "https://www.cve.org/CVERecord?id=CVE-2025-62777",
      "@id": "CVE-2025-62777",
      "@source": "CVE"
    },
    {
      "#text": "https://www.ipa.go.jp/en/security/vulnerabilities/cwe.html",
      "@id": "CWE-Other",
      "@title": "No Mapping(CWE-Other)"
    }
  ],
  "title": "MZK-DP300N uses hard-coded credentials"
}

CVE-2025-62777 (GCVE-0-2025-62777)

Vulnerability from cvelistv5 – Published: 2025-10-28 04:53 – Updated: 2025-10-28 20:03

Summary

Use of Hard-Coded Credentials issue exists in MZK-DP300N version 1.07 and earlier, which may allow an attacker within the local network to log in to the affected device via Telnet and execute arbitrary commands.

Severity ?

8.8 (High)


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

8.7 (High)


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

CWE

CWE-798 - Use of hard-coded credentials

Assigner

jpcert

References

URL

Tags

	https://www.planex.co.jp/products/mzk-dp300n/
	https://jvn.jp/en/jp/JVN00021602/

Impacted products

	Vendor	Product	Version
	PLANEX COMMUNICATIONS INC.	MZK-DP300N	Affected: 1.07 and earlier

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2025-62777",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "total"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2025-10-28T20:03:03.733091Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2025-10-28T20:03:14.159Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "MZK-DP300N",
          "vendor": "PLANEX COMMUNICATIONS INC.",
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            }
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        }
      ],
      "metrics": [
        {
          "cvssV3_0": {
            "baseScore": 8.8,
            "baseSeverity": "HIGH",
            "vectorString": "CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
            "version": "3.0"
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      },
      "references": [
        {
          "url": "https://www.planex.co.jp/products/mzk-dp300n/"
        },
        {
          "url": "https://jvn.jp/en/jp/JVN00021602/"
        }
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    }
  },
  "cveMetadata": {
    "assignerOrgId": "ede6fdc4-6654-4307-a26d-3331c018e2ce",
    "assignerShortName": "jpcert",
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    "datePublished": "2025-10-28T04:53:00.768Z",
    "dateReserved": "2025-10-22T09:51:31.094Z",
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  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1"
}

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

JVNDB-2025-000095

CVE-2025-62777 (GCVE-0-2025-62777)

Tags

Sightings

Nomenclature