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    5 vulnerabilities found for MGate MB3170 Series by Moxa

    CVE-2026-86326 (GCVE-0-2026-86326)

    Vulnerability from nvd – Published: 2026-10-02 10:21 – Updated: 2026-10-02 10:39
    VLAI
    Summary
    An improper verification of cryptographic signature vulnerability exists in protocol gateways because the device does not properly verify the cryptographic authenticity of firmware images before installation. An attacker with high privileges and access to the firmware update interface could provide a specially crafted or modified firmware image, causing it to be installed on the device. Successful exploitation could allow the attacker to execute unauthorized code, compromise the integrity and availability of the device, and persist malicious modifications across subsequent firmware updates.
    SSVC
    Exploitation: none Automatable: no Technical Impact: total
    CISA Coordinator · CISA-ADP (v2.0.3)
    Decision recorded 2026-10-02 10:37 UTC
    CWE
    • CWE-347 - Improper Verification of Cryptographic Signature
    References
    Impacted products
    Vendor Product Version
    Moxa MGate MB3170 Series Affected: 1.0
        cpe:2.3:a:moxa:mgate_mb3170_series:1.0:*:*:*:*:*:*:*
    Create a notification for this product.
    Moxa MGate MB3270 Series Affected: 1.0
        cpe:2.3:a:moxa:mgate_mb3270_series:1.0:*:*:*:*:*:*:*
    Create a notification for this product.
    Show details on NVD website

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    CVE-2026-86325 (GCVE-0-2026-86325)

    Vulnerability from nvd – Published: 2026-10-02 10:18 – Updated: 2026-10-02 10:49
    VLAI
    Summary
    A stack-based buffer overflow vulnerability exists in protocol gateways' account management interface. The vulnerability is caused by insufficient length validation of the `account_name` parameter when processing account management requests. An attacker authenticated as a read-only user to the web management interface could supply a specially crafted account name that exceeds the size of the internal stack buffer, resulting in corruption of program execution flow. Successful exploitation could allow an attacker to read sensitive information from device memory, including credentials, modify arbitrary memory contents, and disrupt device availability.
    SSVC
    Exploitation: none Automatable: no Technical Impact: total
    CISA Coordinator · CISA-ADP (v2.0.3)
    Decision recorded 2026-10-02 10:49 UTC
    CWE
    • CWE-121 - Stack-based Buffer Overflow
    References
    Impacted products
    Vendor Product Version
    Moxa MGate MB3170 Series Affected: 1.0 , ≤ 4.7 (custom)
        cpe:2.3:a:moxa:mgate_mb3170_series:*:*:*:*:*:*:*:*
    Create a notification for this product.
    Moxa MGate MB3270 Series Affected: 1.0 , ≤ 4.7 (custom)
        cpe:2.3:a:moxa:mgate_mb3270_series:*:*:*:*:*:*:*:*
    Create a notification for this product.
    Show details on NVD website

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    CVE-2026-86326 (GCVE-0-2026-86326)

    Vulnerability from cvelistv5 – Published: 2026-10-02 10:21 – Updated: 2026-10-02 10:39
    VLAI
    Summary
    An improper verification of cryptographic signature vulnerability exists in protocol gateways because the device does not properly verify the cryptographic authenticity of firmware images before installation. An attacker with high privileges and access to the firmware update interface could provide a specially crafted or modified firmware image, causing it to be installed on the device. Successful exploitation could allow the attacker to execute unauthorized code, compromise the integrity and availability of the device, and persist malicious modifications across subsequent firmware updates.
    SSVC
    Exploitation: none Automatable: no Technical Impact: total
    CISA Coordinator · CISA-ADP (v2.0.3)
    Decision recorded 2026-10-02 10:37 UTC
    CWE
    • CWE-347 - Improper Verification of Cryptographic Signature
    References
    Impacted products
    Vendor Product Version
    Moxa MGate MB3170 Series Affected: 1.0
        cpe:2.3:a:moxa:mgate_mb3170_series:1.0:*:*:*:*:*:*:*
    Create a notification for this product.
    Moxa MGate MB3270 Series Affected: 1.0
        cpe:2.3:a:moxa:mgate_mb3270_series:1.0:*:*:*:*:*:*:*
    Create a notification for this product.
    Show details on NVD website

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    CVE-2026-86325 (GCVE-0-2026-86325)

    Vulnerability from cvelistv5 – Published: 2026-10-02 10:18 – Updated: 2026-10-02 10:49
    VLAI
    Summary
    A stack-based buffer overflow vulnerability exists in protocol gateways' account management interface. The vulnerability is caused by insufficient length validation of the `account_name` parameter when processing account management requests. An attacker authenticated as a read-only user to the web management interface could supply a specially crafted account name that exceeds the size of the internal stack buffer, resulting in corruption of program execution flow. Successful exploitation could allow an attacker to read sensitive information from device memory, including credentials, modify arbitrary memory contents, and disrupt device availability.
    SSVC
    Exploitation: none Automatable: no Technical Impact: total
    CISA Coordinator · CISA-ADP (v2.0.3)
    Decision recorded 2026-10-02 10:49 UTC
    CWE
    • CWE-121 - Stack-based Buffer Overflow
    References
    Impacted products
    Vendor Product Version
    Moxa MGate MB3170 Series Affected: 1.0 , ≤ 4.7 (custom)
        cpe:2.3:a:moxa:mgate_mb3170_series:*:*:*:*:*:*:*:*
    Create a notification for this product.
    Moxa MGate MB3270 Series Affected: 1.0 , ≤ 4.7 (custom)
        cpe:2.3:a:moxa:mgate_mb3270_series:*:*:*:*:*:*:*:*
    Create a notification for this product.
    Show details on NVD website

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    CERTFR-2026-AVI-1250

    Vulnerability from certfr_avis - Published: 2026-10-02 - Updated: 2026-10-02

    De multiples vulnérabilités ont été découvertes dans les produits Moxa. Elles permettent à un attaquant de provoquer une atteinte à la confidentialité des données, une atteinte à l'intégrité des données et un contournement de la politique de sécurité.

    Solutions

    Se référer au bulletin de sécurité de l'éditeur pour l'obtention des correctifs (cf. section Documentation).

    Impacted products
    Vendor Product Description
    Moxa MGate MB3480 Series MGate MB3480 Series versions antérieures à v4.5.1, se référer au bulletin de sécurité de l'éditeur pour l'application du contournement provisoire pour la vulnérabilité CVE-2026-86326
    Moxa MGate 5114 Series MGate 5114 Series toutes versions, se référer au bulletin de sécurité de l'éditeur pour l'application du contournement provisoire pour la vulnérabilité CVE-2026-86326
    Moxa MGate 5216 Series MGate 5216 Series toutes versions, se référer au bulletin de sécurité de l'éditeur pour l'application du contournement provisoire pour la vulnérabilité CVE-2026-86326
    Moxa MGate W5208 Series MGate W5208 Series toutes versions, se référer au bulletin de sécurité de l'éditeur pour l'application du contournement provisoire pour la vulnérabilité CVE-2026-86326
    Moxa MGate 5119 Series MGate 5119 Series toutes versions, se référer au bulletin de sécurité de l'éditeur pour l'application du contournement provisoire pour la vulnérabilité CVE-2026-86326
    Moxa MGate 5101-PBM-MN Series MGate 5101-PBM-MN Series toutes versions, se référer au bulletin de sécurité de l'éditeur pour l'application du contournement provisoire pour la vulnérabilité CVE-2026-86326
    Moxa MGate MB3170 Series MGate MB3170 Series versions antérieures à v4.7.1, se référer au bulletin de sécurité de l'éditeur pour l'application du contournement provisoire pour la vulnérabilité CVE-2026-86326
    Moxa MGate 5102-PBM-PN Series MGate 5102-PBM-PN Series toutes versions, se référer au bulletin de sécurité de l'éditeur pour l'application du contournement provisoire pour la vulnérabilité CVE-2026-86326
    Moxa MGate MB3280 Series MGate MB3280 Series versions antérieures à v4.6.3, se référer au bulletin de sécurité de l'éditeur pour l'application du contournement provisoire pour la vulnérabilité CVE-2026-86326
    Moxa MGate 5111 Series MGate 5111 Series toutes versions, se référer au bulletin de sécurité de l'éditeur pour l'application du contournement provisoire pour la vulnérabilité CVE-2026-86326
    Moxa MGate 5217 Series MGate 5217 Series versions antérieures à v1.5.5, se référer au bulletin de sécurité de l'éditeur pour l'application du contournement provisoire pour la vulnérabilité CVE-2026-86326
    Moxa MGate MB3180 Series MGate MB3180 Series versions antérieures à v2.7.1, se référer au bulletin de sécurité de l'éditeur pour l'application du contournement provisoire pour la vulnérabilité CVE-2026-86326
    Moxa MGate 5105-MB-EIP Series MGate 5105-MB-EIP Series toutes versions, se référer au bulletin de sécurité de l'éditeur pour l'application du contournement provisoire pour la vulnérabilité CVE-2026-86326
    Moxa MGate EIP3170 Series MGate EIP3170 Series toutes versions, se référer au bulletin de sécurité de l'éditeur pour l'application du contournement provisoire pour la vulnérabilité CVE-2026-86326
    Moxa MGate 5109 Series MGate 5109 Series toutes versions, se référer au bulletin de sécurité de l'éditeur pour l'application du contournement provisoire pour la vulnérabilité CVE-2026-86326
    Moxa MGate 5103 Series MGate 5103 Series toutes versions, se référer au bulletin de sécurité de l'éditeur pour l'application du contournement provisoire pour la vulnérabilité CVE-2026-86326
    Moxa MGate MB3660 Series MGate MB3660 Series versions antérieures à v3.4.5, se référer au bulletin de sécurité de l'éditeur pour l'application du contournement provisoire pour la vulnérabilité CVE-2026-86326
    Moxa MGate 5118 Series MGate 5118 Series toutes versions, se référer au bulletin de sécurité de l'éditeur pour l'application du contournement provisoire pour la vulnérabilité CVE-2026-86326
    Moxa MGate W5108 Series MGate W5108 Series toutes versions, se référer au bulletin de sécurité de l'éditeur pour l'application du contournement provisoire pour la vulnérabilité CVE-2026-86326
    Moxa MGate EIP3270 Series MGate EIP3270 Series toutes versions, se référer au bulletin de sécurité de l'éditeur pour l'application du contournement provisoire pour la vulnérabilité CVE-2026-86326
    Moxa MGate MB3270 Series MGate MB3270 Series versions antérieures à v4.7.1, se référer au bulletin de sécurité de l'éditeur pour l'application du contournement provisoire pour la vulnérabilité CVE-2026-86326
    References
    Bulletin de sécurité Moxa MPSA-269540 2026-10-02 vendor-advisory

    Show details on source website

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          "product": {
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            "vendor": {
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            "vendor": {
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              "scada": true
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        },
        {
          "description": "MGate W5108 Series toutes versions, se r\u00e9f\u00e9rer au bulletin de s\u00e9curit\u00e9 de l\u0027\u00e9diteur pour l\u0027application du contournement provisoire pour la vuln\u00e9rabilit\u00e9 CVE-2026-86326",
          "product": {
            "name": "MGate W5108 Series",
            "vendor": {
              "name": "Moxa",
              "scada": true
            }
          }
        },
        {
          "description": "MGate EIP3270 Series toutes versions, se r\u00e9f\u00e9rer au bulletin de s\u00e9curit\u00e9 de l\u0027\u00e9diteur pour l\u0027application du contournement provisoire pour la vuln\u00e9rabilit\u00e9 CVE-2026-86326",
          "product": {
            "name": "MGate EIP3270 Series",
            "vendor": {
              "name": "Moxa",
              "scada": true
            }
          }
        },
        {
          "description": "MGate MB3270 Series versions ant\u00e9rieures \u00e0 v4.7.1, se r\u00e9f\u00e9rer au bulletin de s\u00e9curit\u00e9 de l\u0027\u00e9diteur pour l\u0027application du contournement provisoire pour la vuln\u00e9rabilit\u00e9 CVE-2026-86326",
          "product": {
            "name": "MGate MB3270 Series",
            "vendor": {
              "name": "Moxa",
              "scada": true
            }
          }
        }
      ],
      "affected_systems_content": "",
      "content": "## Solutions\n\nSe r\u00e9f\u00e9rer au bulletin de s\u00e9curit\u00e9 de l\u0027\u00e9diteur pour l\u0027obtention des correctifs (cf. section Documentation).",
      "cves": [
        {
          "name": "CVE-2026-86326",
          "url": "https://www.cve.org/CVERecord?id=CVE-2026-86326"
        },
        {
          "name": "CVE-2026-86325",
          "url": "https://www.cve.org/CVERecord?id=CVE-2026-86325"
        }
      ],
      "initial_release_date": "2026-10-02T00:00:00",
      "last_revision_date": "2026-10-02T00:00:00",
      "links": [],
      "reference": "CERTFR-2026-AVI-1250",
      "revisions": [
        {
          "description": "Version initiale",
          "revision_date": "2026-10-02T00:00:00.000000"
        }
      ],
      "risks": [
        {
          "description": "D\u00e9ni de service \u00e0 distance"
        },
        {
          "description": "Ex\u00e9cution de code arbitraire \u00e0 distance"
        },
        {
          "description": "Atteinte \u00e0 l\u0027int\u00e9grit\u00e9 des donn\u00e9es"
        },
        {
          "description": "Contournement de la politique de s\u00e9curit\u00e9"
        },
        {
          "description": "Atteinte \u00e0 la confidentialit\u00e9 des donn\u00e9es"
        }
      ],
      "summary": "De multiples vuln\u00e9rabilit\u00e9s ont \u00e9t\u00e9 d\u00e9couvertes dans les produits Moxa. Elles permettent \u00e0 un attaquant de provoquer une atteinte \u00e0 la confidentialit\u00e9 des donn\u00e9es, une atteinte \u00e0 l\u0027int\u00e9grit\u00e9 des donn\u00e9es et un contournement de la politique de s\u00e9curit\u00e9.",
      "title": "Multiples vuln\u00e9rabilit\u00e9s dans les produits Moxa",
      "vendor_advisories": [
        {
          "published_at": "2026-10-02",
          "title": "Bulletin de s\u00e9curit\u00e9 Moxa MPSA-269540",
          "url": "https://www.moxa.com/en/support/product-support/security-advisory/mpsa-269540-cve-2026-86325,-cve-2026-86326-two-vulnerabilities-in-protocol-gateways"
        }
      ]
    }