jvndb-2026-000043
Vulnerability from jvndb
Published
2026-03-25 18:41
Modified
2026-03-25 18:41
Severity ?
5.7 (Medium) - cvssV3_0 - CVSS:3.0/AV:A/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Summary
SHARP routers missing authentication for some web APIs
Details
SHARP routers do not perform authentication for some web APIs. Those web APIs provide device information, and the initial administrative password is based on a part of the device information.<a href='https://cwe.mitre.org/data/definitions/306.html' target='_blank'></a><ul><li>Missing authentication for critical function (CWE-306) - CVE-2026-32326</li></ul>Shota Zaizen reported this vulnerability to IPA. JPCERT/CC coordinated with the developer under Information Security Early Warning Partnership.
References
Impacted products
Show details on JVN DB website

To clipboard 

{
  "@rdf:about": "https://jvndb.jvn.jp/en/contents/2026/JVNDB-2026-000043.html",
  "dc:date": "2026-03-25T18:41+09:00",
  "dcterms:issued": "2026-03-25T18:41+09:00",
  "dcterms:modified": "2026-03-25T18:41+09:00",
  "description": "SHARP routers do not perform authentication for some web APIs.\r\nThose web APIs provide device information, and the initial administrative password is based on a part of the device information.\u003ca href=\u0027https://cwe.mitre.org/data/definitions/306.html\u0027 target=\u0027_blank\u0027\u003e\u003c/a\u003e\u003cul\u003e\u003cli\u003eMissing authentication for critical function (CWE-306) - CVE-2026-32326\u003c/li\u003e\u003c/ul\u003eShota Zaizen 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/2026/JVNDB-2026-000043.html",
  "sec:cpe": [
    {
      "#text": "cpe:/o:kddi:speed_wi-fi_5g_x01",
      "@product": "Speed Wi-Fi 5G X01",
      "@vendor": "KDDI",
      "@version": "2.2"
    },
    {
      "#text": "cpe:/o:nttdocomo:home_5g_hr01",
      "@product": "home 5G HR01",
      "@vendor": "NTT DOCOMO, INC.",
      "@version": "2.2"
    },
    {
      "#text": "cpe:/o:nttdocomo:home_5g_hr02",
      "@product": "home 5G HR02",
      "@vendor": "NTT DOCOMO, INC.",
      "@version": "2.2"
    },
    {
      "#text": "cpe:/o:nttdocomo:wi-fi_station_sh-52a_firmware",
      "@product": "Wi-Fi STATION SH-52A",
      "@vendor": "NTT DOCOMO, INC.",
      "@version": "2.2"
    },
    {
      "#text": "cpe:/o:nttdocomo:wi-fi_station_sh-52b_firmware",
      "@product": "Wi-Fi STATION SH-52B",
      "@vendor": "NTT DOCOMO, INC.",
      "@version": "2.2"
    },
    {
      "#text": "cpe:/o:nttdocomo:wi-fi_station_sh-54c_firmware",
      "@product": "Wi-Fi STATION SH-54C",
      "@vendor": "NTT DOCOMO, INC.",
      "@version": "2.2"
    },
    {
      "#text": "cpe:/o:softbank:5gmobile_wi-fi_router_sh-u01",
      "@product": "5G Mobile Router SH-U01",
      "@vendor": "SoftBank",
      "@version": "2.2"
    },
    {
      "#text": "cpe:/o:softbank:pocket_wifi_5g_a503sh",
      "@product": "Pocket WiFi 5G A503SH versions",
      "@vendor": "SoftBank",
      "@version": "2.2"
    }
  ],
  "sec:cvss": {
    "@score": "5.7",
    "@severity": "Medium",
    "@type": "Base",
    "@vector": "CVSS:3.0/AV:A/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N",
    "@version": "3.0"
  },
  "sec:identifier": "JVNDB-2026-000043",
  "sec:references": [
    {
      "#text": "https://jvn.jp/en/jp/JVN49524110/index.html",
      "@id": "JVN#49524110",
      "@source": "JVN"
    },
    {
      "#text": "https://www.cve.org/CVERecord?id=CVE-2026-32326",
      "@id": "CVE-2026-32326",
      "@source": "CVE"
    },
    {
      "#text": "https://www.ipa.go.jp/en/security/vulnerabilities/cwe.html",
      "@id": "CWE-Other",
      "@title": "No Mapping(CWE-Other)"
    }
  ],
  "title": "SHARP routers missing authentication for some web APIs"
}


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