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JVNDB-2026-033234

Vulnerability from jvndb - Published: 2026-09-14 07:32 - Updated:2026-09-14 07:32
Severity
Summary
Multiple vulnerabilities in Contec FLEXLAN series
Details
FLEXLAN series provided by Contec Co., Ltd. contains multiple vulnerabilities listed below.
  • OS command injection (CWE-78) - CVE-2026-82762, CVE-2026-82766
  • Cross-site scripting (CWE-79) - CVE-2026-82763, CVE-2026-82769, CVE-2026-82771
  • Cross-site request forgery (CWE-352) - CVE-2026-82764
  • Path traversal (CWE-23) - CVE-2026-82765, CVE-2026-82768
  • Cross-site scripting (CWE-79) - CVE-2026-82767
  • Buffer overflow (CWE-120) - CVE-2026-82770, CVE-2026-82772
Contec Co., Ltd. reported these vulnerabilities to JPCERT/CC to notify users of the solutions through JVN.
Show details on JVN DB website

{
  "@rdf:about": "https://jvndb.jvn.jp/en/contents/2026/JVNDB-2026-033234.html",
  "dc:date": "2026-09-14T16:32+09:00",
  "dcterms:issued": "2026-09-14T16:32+09:00",
  "dcterms:modified": "2026-09-14T16:32+09:00",
  "description": "FLEXLAN series provided by Contec Co., Ltd. contains 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/79.html\u0027 target=\u0027_blank\u0027\u003e\u003c/a\u003e\u003ca href=\u0027https://cwe.mitre.org/data/definitions/352.html\u0027 target=\u0027_blank\u0027\u003e\u003c/a\u003e\u003ca href=\u0027https://cwe.mitre.org/data/definitions/23.html\u0027 target=\u0027_blank\u0027\u003e\u003c/a\u003e\u003ca href=\u0027https://cwe.mitre.org/data/definitions/79.html\u0027 target=\u0027_blank\u0027\u003e\u003c/a\u003e\u003ca href=\u0027https://cwe.mitre.org/data/definitions/120.html\u0027 target=\u0027_blank\u0027\u003e\u003c/a\u003e\u003cul\u003e\u003cli\u003eOS command injection (CWE-78) - CVE-2026-82762, CVE-2026-82766\u003c/li\u003e\u003cli\u003eCross-site scripting (CWE-79) - CVE-2026-82763, CVE-2026-82769, CVE-2026-82771\u003c/li\u003e\u003cli\u003eCross-site request forgery (CWE-352) - CVE-2026-82764\u003c/li\u003e\u003cli\u003ePath traversal (CWE-23) - CVE-2026-82765, CVE-2026-82768\u003c/li\u003e\u003cli\u003eCross-site scripting (CWE-79) - CVE-2026-82767\u003c/li\u003e\u003cli\u003eBuffer overflow (CWE-120) - CVE-2026-82770, CVE-2026-82772\u003c/li\u003e\u003c/ul\u003eContec Co., Ltd. reported these vulnerabilities to JPCERT/CC to notify users of the solutions through JVN.",
  "link": "https://jvndb.jvn.jp/en/contents/2026/JVNDB-2026-033234.html",
  "sec:cpe": [
    {
      "#text": "cpe:/h:contec:ece1000",
      "@product": "ECE1000",
      "@vendor": "Contec",
      "@version": "2.2"
    },
    {
      "#text": "cpe:/h:contec:ece1020",
      "@product": "ECE1020",
      "@vendor": "Contec",
      "@version": "2.2"
    },
    {
      "#text": "cpe:/h:contec:ecs1020",
      "@product": "ECS1020",
      "@vendor": "Contec",
      "@version": "2.2"
    },
    {
      "#text": "cpe:/h:contec:fxa3000",
      "@product": "FXA3000",
      "@vendor": "Contec",
      "@version": "2.2"
    },
    {
      "#text": "cpe:/h:contec:fxa3000-",
      "@product": "FXA3000-[][]",
      "@vendor": "Contec",
      "@version": "2.2"
    },
    {
      "#text": "cpe:/h:contec:fxa3020",
      "@product": "FXA3020",
      "@vendor": "Contec",
      "@version": "2.2"
    },
    {
      "#text": "cpe:/h:contec:fxa3020-",
      "@product": "FXA3020-[][]",
      "@vendor": "Contec",
      "@version": "2.2"
    },
    {
      "#text": "cpe:/h:contec:fxa3200",
      "@product": "FXA3200",
      "@vendor": "Contec",
      "@version": "2.2"
    },
    {
      "#text": "cpe:/h:contec:fxa3200-",
      "@product": "FXA3200-[][]",
      "@vendor": "Contec",
      "@version": "2.2"
    },
    {
      "#text": "cpe:/h:contec:fxa5000",
      "@product": "FXA5000",
      "@vendor": "Contec",
      "@version": "2.2"
    },
    {
      "#text": "cpe:/h:contec:fxa5020",
      "@product": "FXA5020",
      "@vendor": "Contec",
      "@version": "2.2"
    },
    {
      "#text": "cpe:/h:contec:fxa5020-",
      "@product": "FXA5020-[][]",
      "@vendor": "Contec",
      "@version": "2.2"
    },
    {
      "#text": "cpe:/h:contec:fxe3000",
      "@product": "FXE3000",
      "@vendor": "Contec",
      "@version": "2.2"
    },
    {
      "#text": "cpe:/h:contec:fxe3000-",
      "@product": "FXE3000-[][]",
      "@vendor": "Contec",
      "@version": "2.2"
    },
    {
      "#text": "cpe:/h:contec:fxe3000-wp",
      "@product": "FXE3000-WP",
      "@vendor": "Contec",
      "@version": "2.2"
    },
    {
      "#text": "cpe:/h:contec:fxe4000",
      "@product": "FXE4000",
      "@vendor": "Contec",
      "@version": "2.2"
    },
    {
      "#text": "cpe:/h:contec:fxe4000-wp",
      "@product": "FXE4000-WP",
      "@vendor": "Contec",
      "@version": "2.2"
    },
    {
      "#text": "cpe:/h:contec:fxe5000",
      "@product": "FXE5000",
      "@vendor": "Contec",
      "@version": "2.2"
    },
    {
      "#text": "cpe:/h:contec:fxe5000-",
      "@product": "FXE5000-[][]",
      "@vendor": "Contec",
      "@version": "2.2"
    },
    {
      "#text": "cpe:/h:contec:fxs300_-cn",
      "@product": "FXS300[]-CN",
      "@vendor": "Contec",
      "@version": "2.2"
    },
    {
      "#text": "cpe:/h:contec:fxs4000",
      "@product": "FXS4000",
      "@vendor": "Contec",
      "@version": "2.2"
    },
    {
      "#text": "cpe:/h:contec:fxs4020",
      "@product": "FXS4020",
      "@vendor": "Contec",
      "@version": "2.2"
    },
    {
      "#text": "cpe:/h:contec:fxs5000-",
      "@product": "FXS5000-[][]",
      "@vendor": "Contec",
      "@version": "2.2"
    },
    {
      "#text": "cpe:/h:contec:fxs5021",
      "@product": "FXS5021",
      "@vendor": "Contec",
      "@version": "2.2"
    },
    {
      "#text": "cpe:/h:contec:rp-wah-sr1",
      "@product": "RP-WAH-SR1",
      "@vendor": "Contec",
      "@version": "2.2"
    },
    {
      "#text": "cpe:/h:contec:rp-wah-sr12",
      "@product": "RP-WAH-SR12",
      "@vendor": "Contec",
      "@version": "2.2"
    },
    {
      "#text": "cpe:/h:contec:rp-wah-sr2",
      "@product": "RP-WAH-SR2",
      "@vendor": "Contec",
      "@version": "2.2"
    },
    {
      "#text": "cpe:/h:contec:rp-wah-sr22",
      "@product": "RP-WAH-SR22",
      "@vendor": "Contec",
      "@version": "2.2"
    },
    {
      "#text": "cpe:/h:contec:sga1000",
      "@product": "SGA1000",
      "@vendor": "Contec",
      "@version": "2.2"
    }
  ],
  "sec:cvss": {
    "@score": "8.8",
    "@severity": "High",
    "@type": "Base",
    "@vector": "CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
    "@version": "3.0"
  },
  "sec:identifier": "JVNDB-2026-033234",
  "sec:references": [
    {
      "#text": "https://jvn.jp/en/vu/JVNVU99009004/index.html",
      "@id": "JVNVU#99009004",
      "@source": "JVN"
    },
    {
      "#text": "https://www.cve.org/CVERecord?id=CVE-2026-82762",
      "@id": "CVE-2026-82762",
      "@source": "CVE"
    },
    {
      "#text": "https://www.cve.org/CVERecord?id=CVE-2026-82763",
      "@id": "CVE-2026-82763",
      "@source": "CVE"
    },
    {
      "#text": "https://www.cve.org/CVERecord?id=CVE-2026-82764",
      "@id": "CVE-2026-82764",
      "@source": "CVE"
    },
    {
      "#text": "https://www.cve.org/CVERecord?id=CVE-2026-82765",
      "@id": "CVE-2026-82765",
      "@source": "CVE"
    },
    {
      "#text": "https://www.cve.org/CVERecord?id=CVE-2026-82766",
      "@id": "CVE-2026-82766",
      "@source": "CVE"
    },
    {
      "#text": "https://www.cve.org/CVERecord?id=CVE-2026-82767",
      "@id": "CVE-2026-82767",
      "@source": "CVE"
    },
    {
      "#text": "https://www.cve.org/CVERecord?id=CVE-2026-82768",
      "@id": "CVE-2026-82768",
      "@source": "CVE"
    },
    {
      "#text": "https://www.cve.org/CVERecord?id=CVE-2026-82769",
      "@id": "CVE-2026-82769",
      "@source": "CVE"
    },
    {
      "#text": "https://www.cve.org/CVERecord?id=CVE-2026-82770",
      "@id": "CVE-2026-82770",
      "@source": "CVE"
    },
    {
      "#text": "https://www.cve.org/CVERecord?id=CVE-2026-82771",
      "@id": "CVE-2026-82771",
      "@source": "CVE"
    },
    {
      "#text": "https://www.cve.org/CVERecord?id=CVE-2026-82772",
      "@id": "CVE-2026-82772",
      "@source": "CVE"
    },
    {
      "#text": "https://cwe.mitre.org/data/definitions/120.html",
      "@id": "CWE-120",
      "@title": "Buffer Copy without Checking Size of Input (\u0027Classic Buffer Overflow\u0027)(CWE-120)"
    },
    {
      "#text": "https://cwe.mitre.org/data/definitions/23.html",
      "@id": "CWE-23",
      "@title": "Relative Path Traversal(CWE-23)"
    },
    {
      "#text": "https://www.ipa.go.jp/en/security/vulnerabilities/cwe.html",
      "@id": "CWE-352",
      "@title": "Cross-Site Request Forgery(CWE-352)"
    },
    {
      "#text": "https://www.ipa.go.jp/en/security/vulnerabilities/cwe.html",
      "@id": "CWE-78",
      "@title": "OS Command Injection(CWE-78)"
    },
    {
      "#text": "https://www.ipa.go.jp/en/security/vulnerabilities/cwe.html",
      "@id": "CWE-79",
      "@title": "Cross-site Scripting(CWE-79)"
    }
  ],
  "title": "Multiple vulnerabilities in Contec FLEXLAN series"
}



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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

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