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3 vulnerabilities found for WEX-G300 by BUFFALO INC.

jvndb-2026-035794
Vulnerability from jvndb
Published
2026-09-29 13:35
Modified
2026-09-29 13:35
Severity ?
7.2 (High) - cvssV3_0 - CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Summary
Multiple vulnerabilities in BUFFALO Wi-Fi Products
Details
The web configuration user interfaces of Wi-Fi products provided by BUFFALO INC. contain multiple vulnerabilities listed below.<a href='https://cwe.mitre.org/data/definitions/78.html' target='_blank'></a><a href='https://cwe.mitre.org/data/definitions/121.html' target='_blank'></a><ul><li>OS command injection (CWE-78) - CVE-2026-86530</li><li>Stack-based buffer overflow (CWE-121) - CVE-2026-95104</li></ul>Veeti Punnonen reported these vulnerabilities to JPCERT/CC. JPCERT/CC coordinated with the developer.
References
Impacted products
Show details on JVN DB website

To clipboard 

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  "dc:date": "2026-09-29T13:35+09:00",
  "dcterms:issued": "2026-09-29T13:35+09:00",
  "dcterms:modified": "2026-09-29T13:35+09:00",
  "description": "The web configuration user interfaces of Wi-Fi products provided by BUFFALO INC. contain multiple vulnerabilities listed below.\u003ca href=\u0027https://cwe.mitre.org/data/definitions/78.html\u0027 target=\u0027_blank\u0027\u003e\u003c/a\u003e\u003ca href=\u0027https://cwe.mitre.org/data/definitions/121.html\u0027 target=\u0027_blank\u0027\u003e\u003c/a\u003e\u003cul\u003e\u003cli\u003eOS command injection (CWE-78) - CVE-2026-86530\u003c/li\u003e\u003cli\u003eStack-based buffer overflow (CWE-121) - CVE-2026-95104\u003c/li\u003e\u003c/ul\u003eVeeti Punnonen reported these vulnerabilities to JPCERT/CC.\r\nJPCERT/CC coordinated with the developer.",
  "link": "https://jvndb.jvn.jp/en/contents/2026/JVNDB-2026-035794.html",
  "sec:cpe": [
    {
      "#text": "cpe:/h:buffalo_inc:wsr-300hp",
      "@product": "WSR-300HP",
      "@vendor": "BUFFALO INC.",
      "@version": "2.2"
    },
    {
      "#text": "cpe:/o:buffalo_inc:wex-g300",
      "@product": "WEX-G300",
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    "@version": "3.0"
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  "sec:identifier": "JVNDB-2026-035794",
  "sec:references": [
    {
      "#text": "https://jvn.jp/en/vu/JVNVU94863997/index.html",
      "@id": "JVNVU#94863997",
      "@source": "JVN"
    },
    {
      "#text": "https://www.cve.org/CVERecord?id=CVE-2026-86530",
      "@id": "CVE-2026-86530",
      "@source": "CVE"
    },
    {
      "#text": "https://www.cve.org/CVERecord?id=CVE-2026-95104",
      "@id": "CVE-2026-95104",
      "@source": "CVE"
    },
    {
      "#text": "https://cwe.mitre.org/data/definitions/121.html",
      "@id": "CWE-121",
      "@title": "Stack-based Buffer Overflow(CWE-121)"
    },
    {
      "#text": "https://www.ipa.go.jp/en/security/vulnerabilities/cwe.html",
      "@id": "CWE-78",
      "@title": "OS Command Injection(CWE-78)"
    }
  ],
  "title": "Multiple vulnerabilities in BUFFALO Wi-Fi Products"
}

CVE-2026-95104 (GCVE-0-2026-95104)
Vulnerability from cvelistv5
Published
2026-09-28 08:14
Modified
2026-09-30 13:45
Severity ?
7.5 (High) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
8.7 (High) - CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
CWE
  • CWE-121 - Stack-based buffer overflow
Summary
Stack-based buffer overflow vulnerability exists in BUFFALO Wi-Fi products. A non-authenticated crafted HTTP request may cause a denial-of-service (DoS) condition.
References
Impacted products
Vendor Product Version
BUFFALO INC. WSR-300HP Version: 0   ≤
Create a notification for this product.
Show details on NVD website

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CVE-2026-86530 (GCVE-0-2026-86530)
Vulnerability from cvelistv5
Published
2026-09-28 08:14
Modified
2026-09-30 12:33
Severity ?
7.2 (High) - CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
8.6 (High) - CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
CWE
  • CWE-78 - Improper neutralization of special elements used in an OS command ('OS Command Injection')
Summary
BUFFALO Wi-Fi products handle some web form input improperly to assemble command line strings internally. An administrative user may send a crafted HTTP request and execute an arbitrary OS command.
References
Impacted products
Vendor Product Version
BUFFALO INC. WSR-300HP Version: 0   ≤
Create a notification for this product.
Show details on NVD website

To clipboard 

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