jvndb - jvndb-2026-026397

jvndb-2026-026397

Vulnerability from jvndb

Published

2026-08-04 14:10

Modified

2026-08-04 14:10

Severity ?

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

Summary

Sharp Network Scanner Tool insecure initial configuration

Details

Network Scanner Tool and Network Scanner Tool Lite provided by Sharp Corporation are Windows applications which work as FTP servers and accept scan outputs from MFPs. With the initial configuration, anyone can upload files unlimitedly without authentication.<a href='https://cwe.mitre.org/data/definitions/1188.html' target='_blank'></a><ul><li>Initialization of a Resource with an Insecure Default (CWE-1188) - CVE-2026-62416</li></ul>Deniz Güney Yıldırım reported this vulnerability to Sharp Corporation and coordinated. After the coordination was completed, Sharp Corporation reported the case to JPCERT/CC to notify users of the solution through JVN.

References

Type

URL

	JVN	https://jvn.jp/en/vu/JVNVU92540957/index.html
	CVE	https://www.cve.org/CVERecord?id=CVE-2026-62416
	Insecure Default Initialization of Resource(CWE-1188)	https://cwe.mitre.org/data/definitions/1188.html

Impacted products

Vendor

Product

Sharp Corporation

Network Scanner Tool

Show details on JVN DB website

JSON

To clipboard

{
  "@rdf:about": "https://jvndb.jvn.jp/en/contents/2026/JVNDB-2026-026397.html",
  "dc:date": "2026-08-04T14:10+09:00",
  "dcterms:issued": "2026-08-04T14:10+09:00",
  "dcterms:modified": "2026-08-04T14:10+09:00",
  "description": "Network Scanner Tool and Network Scanner Tool Lite provided by Sharp Corporation are Windows applications which work as FTP servers and accept scan outputs from MFPs.\r\nWith the initial configuration, anyone can upload files unlimitedly without authentication.\u003ca href=\u0027https://cwe.mitre.org/data/definitions/1188.html\u0027 target=\u0027_blank\u0027\u003e\u003c/a\u003e\u003cul\u003e\u003cli\u003eInitialization of a Resource with an Insecure Default (CWE-1188) - CVE-2026-62416\u003c/li\u003e\u003c/ul\u003eDeniz G\u0026#252;ney Y\u0026#305;ld\u0026#305;r\u0026#305;m reported this vulnerability to Sharp Corporation and coordinated. After the coordination was completed, Sharp Corporation reported the case to JPCERT/CC to notify users of the solution through JVN.",
  "link": "https://jvndb.jvn.jp/en/contents/2026/JVNDB-2026-026397.html",
  "sec:cpe": {
    "#text": "cpe:/a:sharp:network_scanner_tool",
    "@product": "Network Scanner Tool",
    "@vendor": "Sharp Corporation",
    "@version": "2.2"
  },
  "sec:cvss": {
    "@score": "5.3",
    "@severity": "Medium",
    "@type": "Base",
    "@vector": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L",
    "@version": "3.0"
  },
  "sec:identifier": "JVNDB-2026-026397",
  "sec:references": [
    {
      "#text": "https://jvn.jp/en/vu/JVNVU92540957/index.html",
      "@id": "JVNVU#92540957",
      "@source": "JVN"
    },
    {
      "#text": "https://www.cve.org/CVERecord?id=CVE-2026-62416",
      "@id": "CVE-2026-62416",
      "@source": "CVE"
    },
    {
      "#text": "https://cwe.mitre.org/data/definitions/1188.html",
      "@id": "CWE-1188",
      "@title": "Insecure Default Initialization of Resource(CWE-1188)"
    }
  ],
  "title": "Sharp Network Scanner Tool insecure initial configuration"
}

CVE-2026-62416 (GCVE-0-2026-62416)

Vulnerability from cvelistv5

Published

2026-08-03 07:58

Modified

2026-08-03 11:09

Severity ?

5.3 (Medium) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
6.9 (Medium) - CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N

CWE

CWE-1188 - Initialization of a resource with an insecure default

Summary

Network Scanner Tool and Network Scanner Tool Lite provided by Sharp Corporation, with the initial configuration, require no authentication and accept files unlimitedly. When the affected products are used with the initial configuration, anyone can connect to them without authentication and upload files unlimitedly. This may cause a denial-of-service (DoS) condition on the PC. Furthermore, if a malicious file is uploaded, a PC user may be tricked to execute the file to attack other entities from that PC.

References

URL

Tags

	https://global.sharp/corporate/info/product-security/advisory-list/2026-005/
	https://corporate.jp.sharp/info/product-security/advisory-list/2026-005/
	https://jvn.jp/en/vu/JVNVU92540957/

Impacted products

Vendor

Product

Version

Sharp Corporation

Network Scanner Tool Lite

Version: 0 ≤ V2.0.13.3

Sharp Corporation

Network Scanner Tool (Bundled software for Sharpdesk)

Version: 0 ≤ V6.1.1.8

Show details on NVD website

JSON

To clipboard

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        "metrics": [
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                "id": "CVE-2026-62416",
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                    "Technical Impact": "partial"
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                "role": "CISA Coordinator",
                "timestamp": "2026-08-03T11:08:36.337640Z",
                "version": "2.0.3"
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          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
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      "providerMetadata": {
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}

Sightings

Author	Source	Type	Date

Nomenclature

Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
Confirmed: The vulnerability is confirmed from an analyst perspective.
Published Proof of Concept: A public proof of concept is available for this vulnerability.
Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
Patched: This vulnerability was successfully patched by the user reporting the sighting.
Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
Not confirmed: The user expresses doubt about the veracity of the vulnerability.
Not patched: This vulnerability was not successfully patched by the user reporting the sighting.

Action not permitted

jvndb-2026-026397

Vulnerability from jvndb

CVE-2026-62416 (GCVE-0-2026-62416)

Vulnerability from cvelistv5

Tags

Sightings

Nomenclature