Search

Find a vulnerability

Search criteria

    9 vulnerabilities by Micro Research Ltd.

    JVNDB-2026-006887

    Vulnerability from jvndb - Published: 2026-03-12 17:22 - Updated:2026-03-12 17:22
    Severity
    Summary
    Multiple vulnerabilities in Micro Research MR-GM5L-S1 and MR-GM5A-L1
    Details
    MR-GM5L-S1 and MR-GM5A-L1 provided by Micro Research Ltd. contain multiple vulnerabilities listed below.
    • Code injection (CWE-94) - CVE-2026-20892
    • Use of hard-coded credentials (CWE-798) - CVE-2026-24448
    • Authentication bypass using an alternate path or channel (CWE-288) - CVE-2026-27842
    Chuya Hayakawa of 00One, Inc. reported these vulnerabilities to JPCERT/CC. JPCERT/CC coordinated with the developer.
    Show details on JVN DB website

    {
      "@rdf:about": "https://jvndb.jvn.jp/en/contents/2026/JVNDB-2026-006887.html",
      "dc:date": "2026-03-12T17:22+09:00",
      "dcterms:issued": "2026-03-12T17:22+09:00",
      "dcterms:modified": "2026-03-12T17:22+09:00",
      "description": "MR-GM5L-S1 and MR-GM5A-L1 provided by Micro Research Ltd. contain multiple vulnerabilities listed below.\u003ca href=\u0027https://cwe.mitre.org/data/definitions/94.html\u0027 target=\u0027_blank\u0027\u003e\u003c/a\u003e\u003ca href=\u0027https://cwe.mitre.org/data/definitions/798.html\u0027 target=\u0027_blank\u0027\u003e\u003c/a\u003e\u003ca href=\u0027https://cwe.mitre.org/data/definitions/288.html\u0027 target=\u0027_blank\u0027\u003e\u003c/a\u003e\u003cul\u003e\u003cli\u003eCode injection (CWE-94) - CVE-2026-20892\u003c/li\u003e\u003cli\u003eUse of hard-coded credentials (CWE-798) - CVE-2026-24448\u003c/li\u003e\u003cli\u003eAuthentication bypass using an alternate path or channel (CWE-288) - CVE-2026-27842\u003c/li\u003e\u003c/ul\u003eChuya Hayakawa of 00One, Inc. reported these vulnerabilities to JPCERT/CC.\r\nJPCERT/CC coordinated with the developer.",
      "link": "https://jvndb.jvn.jp/en/contents/2026/JVNDB-2026-006887.html",
      "sec:cpe": [
        {
          "#text": "cpe:/o:mrl:mr-gm5a-l1_firmware",
          "@product": "MR-GM5A-L1",
          "@vendor": "Micro Research Ltd.",
          "@version": "2.2"
        },
        {
          "#text": "cpe:/o:mrl:mr-gm5l-s1_firmware",
          "@product": "MR-GM5L-S1",
          "@vendor": "Micro Research Ltd.",
          "@version": "2.2"
        }
      ],
      "sec:cvss": {
        "@score": "7.2",
        "@severity": "High",
        "@type": "Base",
        "@vector": "CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H",
        "@version": "3.0"
      },
      "sec:identifier": "JVNDB-2026-006887",
      "sec:references": [
        {
          "#text": "https://jvn.jp/en/vu/JVNVU98103854/index.html",
          "@id": "JVNVU#98103854",
          "@source": "JVN"
        },
        {
          "#text": "https://www.cve.org/CVERecord?id=CVE-2026-20892",
          "@id": "CVE-2026-20892",
          "@source": "CVE"
        },
        {
          "#text": "https://www.cve.org/CVERecord?id=CVE-2026-24448",
          "@id": "CVE-2026-24448",
          "@source": "CVE"
        },
        {
          "#text": "https://www.cve.org/CVERecord?id=CVE-2026-27842",
          "@id": "CVE-2026-27842",
          "@source": "CVE"
        },
        {
          "#text": "https://cwe.mitre.org/data/definitions/288.html",
          "@id": "CWE-288",
          "@title": "Authentication Bypass Using an Alternate Path or Channel(CWE-288)"
        },
        {
          "#text": "https://cwe.mitre.org/data/definitions/798.html",
          "@id": "CWE-798",
          "@title": "Use of Hard-coded Credentials(CWE-798)"
        },
        {
          "#text": "https://www.ipa.go.jp/en/security/vulnerabilities/cwe.html",
          "@id": "CWE-94",
          "@title": "Code Injection(CWE-94)"
        }
      ],
      "title": "Multiple vulnerabilities in Micro Research MR-GM5L-S1 and MR-GM5A-L1"
    }

    CVE-2026-27842 (GCVE-0-2026-27842)

    Vulnerability from nvd – Published: 2026-03-11 05:25 – Updated: 2026-03-11 15:39
    VLAI
    Summary
    Authentication bypass issue exists in MR-GM5L-S1 and MR-GM5A-L1, which may allow an attacker to bypass authentication and change the device configuration.
    SSVC
    Exploitation: none Automatable: yes Technical Impact: total
    CISA Coordinator (v2.0.3)
    CWE
    • CWE-288 - Authentication Bypass Using an Alternate Path or Channel
    Assigner
    Impacted products
    Vendor Product Version
    Micro Research Ltd. MR-GM5L-S1 Affected: firmware versions prior to v2.01.04N1_02
    Create a notification for this product.
    Micro Research Ltd. MR-GM5A-L1 Affected: firmware versions prior to v2.01.04N1_02
    Create a notification for this product.
    Show details on NVD website

    {
      "containers": {
        "adp": [
          {
            "metrics": [
              {
                "other": {
                  "content": {
                    "id": "CVE-2026-27842",
                    "options": [
                      {
                        "Exploitation": "none"
                      },
                      {
                        "Automatable": "yes"
                      },
                      {
                        "Technical Impact": "total"
                      }
                    ],
                    "role": "CISA Coordinator",
                    "timestamp": "2026-03-11T15:37:16.992716Z",
                    "version": "2.0.3"
                  },
                  "type": "ssvc"
                }
              }
            ],
            "providerMetadata": {
              "dateUpdated": "2026-03-11T15:39:46.393Z",
              "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
              "shortName": "CISA-ADP"
            },
            "title": "CISA ADP Vulnrichment"
          }
        ],
        "cna": {
          "affected": [
            {
              "product": "MR-GM5L-S1",
              "vendor": "Micro Research Ltd.",
              "versions": [
                {
                  "status": "affected",
                  "version": "firmware versions prior to v2.01.04N1_02"
                }
              ]
            },
            {
              "product": "MR-GM5A-L1",
              "vendor": "Micro Research Ltd.",
              "versions": [
                {
                  "status": "affected",
                  "version": "firmware versions prior to v2.01.04N1_02"
                }
              ]
            }
          ],
          "descriptions": [
            {
              "lang": "en",
              "value": "Authentication bypass issue exists in MR-GM5L-S1 and MR-GM5A-L1, which may allow an attacker to bypass authentication and change the device configuration."
            }
          ],
          "metrics": [
            {
              "cvssV3_0": {
                "baseScore": 9.8,
                "baseSeverity": "CRITICAL",
                "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
                "version": "3.0"
              },
              "format": "CVSS",
              "scenarios": [
                {
                  "lang": "en-US",
                  "value": "GENERAL"
                }
              ]
            },
            {
              "cvssV4_0": {
                "baseScore": 9.3,
                "baseSeverity": "CRITICAL",
                "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N",
                "version": "4.0"
              },
              "format": "CVSS",
              "scenarios": [
                {
                  "lang": "en-US",
                  "value": "GENERAL"
                }
              ]
            }
          ],
          "problemTypes": [
            {
              "descriptions": [
                {
                  "cweId": "CWE-288",
                  "description": "Authentication Bypass Using an Alternate Path or Channel",
                  "lang": "en-US",
                  "type": "CWE"
                }
              ]
            }
          ],
          "providerMetadata": {
            "dateUpdated": "2026-03-11T05:25:34.834Z",
            "orgId": "ede6fdc4-6654-4307-a26d-3331c018e2ce",
            "shortName": "jpcert"
          },
          "references": [
            {
              "url": "https://www.mrl.co.jp/download/security/JVNVU98103854.pdf"
            },
            {
              "url": "https://jvn.jp/en/vu/JVNVU98103854/"
            }
          ]
        }
      },
      "cveMetadata": {
        "assignerOrgId": "ede6fdc4-6654-4307-a26d-3331c018e2ce",
        "assignerShortName": "jpcert",
        "cveId": "CVE-2026-27842",
        "datePublished": "2026-03-11T05:25:34.834Z",
        "dateReserved": "2026-03-10T01:23:00.998Z",
        "dateUpdated": "2026-03-11T15:39:46.393Z",
        "state": "PUBLISHED"
      },
      "dataType": "CVE_RECORD",
      "dataVersion": "5.2"
    }

    CVE-2026-24448 (GCVE-0-2026-24448)

    Vulnerability from nvd – Published: 2026-03-11 05:25 – Updated: 2026-03-11 15:39
    VLAI
    Summary
    Use of hard-coded credentials issue exists in MR-GM5L-S1 and MR-GM5A-L1, which may allow an attacker to obtain administrative access.
    SSVC
    Exploitation: none Automatable: yes Technical Impact: total
    CISA Coordinator (v2.0.3)
    CWE
    • CWE-798 - Use of hard-coded credentials
    Assigner
    Impacted products
    Vendor Product Version
    Micro Research Ltd. MR-GM5L-S1 Affected: firmware versions prior to v2.01.04N1_02
    Create a notification for this product.
    Micro Research Ltd. MR-GM5A-L1 Affected: firmware versions prior to v2.01.04N1_02
    Create a notification for this product.
    Show details on NVD website

    {
      "containers": {
        "adp": [
          {
            "metrics": [
              {
                "other": {
                  "content": {
                    "id": "CVE-2026-24448",
                    "options": [
                      {
                        "Exploitation": "none"
                      },
                      {
                        "Automatable": "yes"
                      },
                      {
                        "Technical Impact": "total"
                      }
                    ],
                    "role": "CISA Coordinator",
                    "timestamp": "2026-03-11T15:37:24.361566Z",
                    "version": "2.0.3"
                  },
                  "type": "ssvc"
                }
              }
            ],
            "providerMetadata": {
              "dateUpdated": "2026-03-11T15:39:46.530Z",
              "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
              "shortName": "CISA-ADP"
            },
            "title": "CISA ADP Vulnrichment"
          }
        ],
        "cna": {
          "affected": [
            {
              "product": "MR-GM5L-S1",
              "vendor": "Micro Research Ltd.",
              "versions": [
                {
                  "status": "affected",
                  "version": "firmware versions prior to v2.01.04N1_02"
                }
              ]
            },
            {
              "product": "MR-GM5A-L1",
              "vendor": "Micro Research Ltd.",
              "versions": [
                {
                  "status": "affected",
                  "version": "firmware versions prior to v2.01.04N1_02"
                }
              ]
            }
          ],
          "descriptions": [
            {
              "lang": "en",
              "value": "Use of hard-coded credentials issue exists in MR-GM5L-S1 and MR-GM5A-L1, which may allow an attacker to obtain administrative access."
            }
          ],
          "metrics": [
            {
              "cvssV3_0": {
                "baseScore": 9.8,
                "baseSeverity": "CRITICAL",
                "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
                "version": "3.0"
              },
              "format": "CVSS",
              "scenarios": [
                {
                  "lang": "en-US",
                  "value": "GENERAL"
                }
              ]
            },
            {
              "cvssV4_0": {
                "baseScore": 9.3,
                "baseSeverity": "CRITICAL",
                "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N",
                "version": "4.0"
              },
              "format": "CVSS",
              "scenarios": [
                {
                  "lang": "en-US",
                  "value": "GENERAL"
                }
              ]
            }
          ],
          "problemTypes": [
            {
              "descriptions": [
                {
                  "cweId": "CWE-798",
                  "description": "Use of hard-coded credentials",
                  "lang": "en-US",
                  "type": "CWE"
                }
              ]
            }
          ],
          "providerMetadata": {
            "dateUpdated": "2026-03-11T05:25:25.618Z",
            "orgId": "ede6fdc4-6654-4307-a26d-3331c018e2ce",
            "shortName": "jpcert"
          },
          "references": [
            {
              "url": "https://www.mrl.co.jp/download/security/JVNVU98103854.pdf"
            },
            {
              "url": "https://jvn.jp/en/vu/JVNVU98103854/"
            }
          ]
        }
      },
      "cveMetadata": {
        "assignerOrgId": "ede6fdc4-6654-4307-a26d-3331c018e2ce",
        "assignerShortName": "jpcert",
        "cveId": "CVE-2026-24448",
        "datePublished": "2026-03-11T05:25:25.618Z",
        "dateReserved": "2026-03-10T01:22:57.438Z",
        "dateUpdated": "2026-03-11T15:39:46.530Z",
        "state": "PUBLISHED"
      },
      "dataType": "CVE_RECORD",
      "dataVersion": "5.2"
    }

    CVE-2026-20892 (GCVE-0-2026-20892)

    Vulnerability from nvd – Published: 2026-03-11 05:25 – Updated: 2026-03-11 15:39
    VLAI
    Summary
    Code injection vulnerability exists in MR-GM5L-S1 and MR-GM5A-L1, which may allow an attacker with administrative privileges to execute arbitrary commands.
    SSVC
    Exploitation: none Automatable: no Technical Impact: total
    CISA Coordinator (v2.0.3)
    CWE
    Assigner
    Impacted products
    Vendor Product Version
    Micro Research Ltd. MR-GM5L-S1 Affected: firmware versions prior to v2.01.04N1_02
    Create a notification for this product.
    Micro Research Ltd. MR-GM5A-L1 Affected: firmware versions prior to v2.01.04N1_02
    Create a notification for this product.
    Show details on NVD website

    {
      "containers": {
        "adp": [
          {
            "metrics": [
              {
                "other": {
                  "content": {
                    "id": "CVE-2026-20892",
                    "options": [
                      {
                        "Exploitation": "none"
                      },
                      {
                        "Automatable": "no"
                      },
                      {
                        "Technical Impact": "total"
                      }
                    ],
                    "role": "CISA Coordinator",
                    "timestamp": "2026-03-11T15:37:30.516008Z",
                    "version": "2.0.3"
                  },
                  "type": "ssvc"
                }
              }
            ],
            "providerMetadata": {
              "dateUpdated": "2026-03-11T15:39:46.667Z",
              "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
              "shortName": "CISA-ADP"
            },
            "title": "CISA ADP Vulnrichment"
          }
        ],
        "cna": {
          "affected": [
            {
              "product": "MR-GM5L-S1",
              "vendor": "Micro Research Ltd.",
              "versions": [
                {
                  "status": "affected",
                  "version": "firmware versions prior to v2.01.04N1_02"
                }
              ]
            },
            {
              "product": "MR-GM5A-L1",
              "vendor": "Micro Research Ltd.",
              "versions": [
                {
                  "status": "affected",
                  "version": "firmware versions prior to v2.01.04N1_02"
                }
              ]
            }
          ],
          "descriptions": [
            {
              "lang": "en",
              "value": "Code injection vulnerability exists in MR-GM5L-S1 and MR-GM5A-L1, which may allow an attacker with administrative privileges to execute arbitrary commands."
            }
          ],
          "metrics": [
            {
              "cvssV3_0": {
                "baseScore": 7.2,
                "baseSeverity": "HIGH",
                "vectorString": "CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H",
                "version": "3.0"
              },
              "format": "CVSS",
              "scenarios": [
                {
                  "lang": "en-US",
                  "value": "GENERAL"
                }
              ]
            },
            {
              "cvssV4_0": {
                "baseScore": 8.6,
                "baseSeverity": "HIGH",
                "vectorString": "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",
                "version": "4.0"
              },
              "format": "CVSS",
              "scenarios": [
                {
                  "lang": "en-US",
                  "value": "GENERAL"
                }
              ]
            }
          ],
          "problemTypes": [
            {
              "descriptions": [
                {
                  "cweId": "CWE-94",
                  "description": "Code injection",
                  "lang": "en-US",
                  "type": "CWE"
                }
              ]
            }
          ],
          "providerMetadata": {
            "dateUpdated": "2026-03-11T05:25:15.694Z",
            "orgId": "ede6fdc4-6654-4307-a26d-3331c018e2ce",
            "shortName": "jpcert"
          },
          "references": [
            {
              "url": "https://www.mrl.co.jp/download/security/JVNVU98103854.pdf"
            },
            {
              "url": "https://jvn.jp/en/vu/JVNVU98103854/"
            }
          ]
        }
      },
      "cveMetadata": {
        "assignerOrgId": "ede6fdc4-6654-4307-a26d-3331c018e2ce",
        "assignerShortName": "jpcert",
        "cveId": "CVE-2026-20892",
        "datePublished": "2026-03-11T05:25:15.694Z",
        "dateReserved": "2026-03-10T01:23:02.687Z",
        "dateUpdated": "2026-03-11T15:39:46.667Z",
        "state": "PUBLISHED"
      },
      "dataType": "CVE_RECORD",
      "dataVersion": "5.2"
    }

    CVE-2023-45194 (GCVE-0-2023-45194)

    Vulnerability from nvd – Published: 2023-10-11 00:12 – Updated: 2024-09-18 18:12
    VLAI
    Summary
    Use of default credentials vulnerability in MR-GM2 firmware Ver. 3.00.03 and earlier, and MR-GM3 (-D/-K/-S/-DK/-DKS/-M/-W) firmware Ver. 1.03.45 and earlier allows a network-adjacent unauthenticated attacker to intercept wireless LAN communication, when the affected product performs the communication without changing the pre-shared key from the factory-default configuration.
    Severity
    No CVSS data available.
    SSVC
    Exploitation: none Automatable: no Technical Impact: partial
    CISA Coordinator (v2.0.3)
    CWE
    • Use of Hard-coded Credentials
    Assigner
    Impacted products
    Vendor Product Version
    Micro Research Ltd. MR-GM2 Affected: firmware Ver. 3.00.03 and earlier
    Create a notification for this product.
    Micro Research Ltd. MR-GM3 (-D/-K/-S/-DK/-DKS/-M/-W) Affected: firmware Ver. 1.03.45 and earlier
    Create a notification for this product.
    Show details on NVD website

    {
      "containers": {
        "adp": [
          {
            "providerMetadata": {
              "dateUpdated": "2024-08-02T20:14:19.930Z",
              "orgId": "af854a3a-2127-422b-91ae-364da2661108",
              "shortName": "CVE"
            },
            "references": [
              {
                "tags": [
                  "x_transferred"
                ],
                "url": "https://www.mrl.co.jp/20231005_security/"
              },
              {
                "tags": [
                  "x_transferred"
                ],
                "url": "https://jvn.jp/en/vu/JVNVU99039725/"
              }
            ],
            "title": "CVE Program Container"
          },
          {
            "metrics": [
              {
                "other": {
                  "content": {
                    "id": "CVE-2023-45194",
                    "options": [
                      {
                        "Exploitation": "none"
                      },
                      {
                        "Automatable": "no"
                      },
                      {
                        "Technical Impact": "partial"
                      }
                    ],
                    "role": "CISA Coordinator",
                    "timestamp": "2024-09-18T18:11:26.735255Z",
                    "version": "2.0.3"
                  },
                  "type": "ssvc"
                }
              }
            ],
            "providerMetadata": {
              "dateUpdated": "2024-09-18T18:12:54.973Z",
              "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
              "shortName": "CISA-ADP"
            },
            "title": "CISA ADP Vulnrichment"
          }
        ],
        "cna": {
          "affected": [
            {
              "product": "MR-GM2",
              "vendor": "Micro Research Ltd.",
              "versions": [
                {
                  "status": "affected",
                  "version": "firmware Ver. 3.00.03 and earlier"
                }
              ]
            },
            {
              "product": "MR-GM3 (-D/-K/-S/-DK/-DKS/-M/-W)",
              "vendor": "Micro Research Ltd.",
              "versions": [
                {
                  "status": "affected",
                  "version": "firmware Ver. 1.03.45 and earlier"
                }
              ]
            }
          ],
          "descriptions": [
            {
              "lang": "en",
              "value": "Use of default credentials vulnerability in MR-GM2 firmware Ver. 3.00.03 and earlier, and MR-GM3 (-D/-K/-S/-DK/-DKS/-M/-W) firmware Ver. 1.03.45 and earlier allows a network-adjacent unauthenticated attacker to intercept wireless LAN communication, when the affected product performs the communication without changing the pre-shared key from the factory-default configuration."
            }
          ],
          "problemTypes": [
            {
              "descriptions": [
                {
                  "description": "Use of Hard-coded Credentials",
                  "lang": "en",
                  "type": "text"
                }
              ]
            }
          ],
          "providerMetadata": {
            "dateUpdated": "2023-10-11T00:12:54.320Z",
            "orgId": "ede6fdc4-6654-4307-a26d-3331c018e2ce",
            "shortName": "jpcert"
          },
          "references": [
            {
              "url": "https://www.mrl.co.jp/20231005_security/"
            },
            {
              "url": "https://jvn.jp/en/vu/JVNVU99039725/"
            }
          ]
        }
      },
      "cveMetadata": {
        "assignerOrgId": "ede6fdc4-6654-4307-a26d-3331c018e2ce",
        "assignerShortName": "jpcert",
        "cveId": "CVE-2023-45194",
        "datePublished": "2023-10-11T00:12:54.320Z",
        "dateReserved": "2023-10-05T02:27:26.616Z",
        "dateUpdated": "2024-09-18T18:12:54.973Z",
        "state": "PUBLISHED"
      },
      "dataType": "CVE_RECORD",
      "dataVersion": "5.1"
    }

    CVE-2026-27842 (GCVE-0-2026-27842)

    Vulnerability from cvelistv5 – Published: 2026-03-11 05:25 – Updated: 2026-03-11 15:39
    VLAI
    Summary
    Authentication bypass issue exists in MR-GM5L-S1 and MR-GM5A-L1, which may allow an attacker to bypass authentication and change the device configuration.
    SSVC
    Exploitation: none Automatable: yes Technical Impact: total
    CISA Coordinator (v2.0.3)
    CWE
    • CWE-288 - Authentication Bypass Using an Alternate Path or Channel
    Assigner
    Impacted products
    Vendor Product Version
    Micro Research Ltd. MR-GM5L-S1 Affected: firmware versions prior to v2.01.04N1_02
    Create a notification for this product.
    Micro Research Ltd. MR-GM5A-L1 Affected: firmware versions prior to v2.01.04N1_02
    Create a notification for this product.
    Show details on NVD website

    {
      "containers": {
        "adp": [
          {
            "metrics": [
              {
                "other": {
                  "content": {
                    "id": "CVE-2026-27842",
                    "options": [
                      {
                        "Exploitation": "none"
                      },
                      {
                        "Automatable": "yes"
                      },
                      {
                        "Technical Impact": "total"
                      }
                    ],
                    "role": "CISA Coordinator",
                    "timestamp": "2026-03-11T15:37:16.992716Z",
                    "version": "2.0.3"
                  },
                  "type": "ssvc"
                }
              }
            ],
            "providerMetadata": {
              "dateUpdated": "2026-03-11T15:39:46.393Z",
              "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
              "shortName": "CISA-ADP"
            },
            "title": "CISA ADP Vulnrichment"
          }
        ],
        "cna": {
          "affected": [
            {
              "product": "MR-GM5L-S1",
              "vendor": "Micro Research Ltd.",
              "versions": [
                {
                  "status": "affected",
                  "version": "firmware versions prior to v2.01.04N1_02"
                }
              ]
            },
            {
              "product": "MR-GM5A-L1",
              "vendor": "Micro Research Ltd.",
              "versions": [
                {
                  "status": "affected",
                  "version": "firmware versions prior to v2.01.04N1_02"
                }
              ]
            }
          ],
          "descriptions": [
            {
              "lang": "en",
              "value": "Authentication bypass issue exists in MR-GM5L-S1 and MR-GM5A-L1, which may allow an attacker to bypass authentication and change the device configuration."
            }
          ],
          "metrics": [
            {
              "cvssV3_0": {
                "baseScore": 9.8,
                "baseSeverity": "CRITICAL",
                "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
                "version": "3.0"
              },
              "format": "CVSS",
              "scenarios": [
                {
                  "lang": "en-US",
                  "value": "GENERAL"
                }
              ]
            },
            {
              "cvssV4_0": {
                "baseScore": 9.3,
                "baseSeverity": "CRITICAL",
                "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N",
                "version": "4.0"
              },
              "format": "CVSS",
              "scenarios": [
                {
                  "lang": "en-US",
                  "value": "GENERAL"
                }
              ]
            }
          ],
          "problemTypes": [
            {
              "descriptions": [
                {
                  "cweId": "CWE-288",
                  "description": "Authentication Bypass Using an Alternate Path or Channel",
                  "lang": "en-US",
                  "type": "CWE"
                }
              ]
            }
          ],
          "providerMetadata": {
            "dateUpdated": "2026-03-11T05:25:34.834Z",
            "orgId": "ede6fdc4-6654-4307-a26d-3331c018e2ce",
            "shortName": "jpcert"
          },
          "references": [
            {
              "url": "https://www.mrl.co.jp/download/security/JVNVU98103854.pdf"
            },
            {
              "url": "https://jvn.jp/en/vu/JVNVU98103854/"
            }
          ]
        }
      },
      "cveMetadata": {
        "assignerOrgId": "ede6fdc4-6654-4307-a26d-3331c018e2ce",
        "assignerShortName": "jpcert",
        "cveId": "CVE-2026-27842",
        "datePublished": "2026-03-11T05:25:34.834Z",
        "dateReserved": "2026-03-10T01:23:00.998Z",
        "dateUpdated": "2026-03-11T15:39:46.393Z",
        "state": "PUBLISHED"
      },
      "dataType": "CVE_RECORD",
      "dataVersion": "5.2"
    }

    CVE-2026-24448 (GCVE-0-2026-24448)

    Vulnerability from cvelistv5 – Published: 2026-03-11 05:25 – Updated: 2026-03-11 15:39
    VLAI
    Summary
    Use of hard-coded credentials issue exists in MR-GM5L-S1 and MR-GM5A-L1, which may allow an attacker to obtain administrative access.
    SSVC
    Exploitation: none Automatable: yes Technical Impact: total
    CISA Coordinator (v2.0.3)
    CWE
    • CWE-798 - Use of hard-coded credentials
    Assigner
    Impacted products
    Vendor Product Version
    Micro Research Ltd. MR-GM5L-S1 Affected: firmware versions prior to v2.01.04N1_02
    Create a notification for this product.
    Micro Research Ltd. MR-GM5A-L1 Affected: firmware versions prior to v2.01.04N1_02
    Create a notification for this product.
    Show details on NVD website

    {
      "containers": {
        "adp": [
          {
            "metrics": [
              {
                "other": {
                  "content": {
                    "id": "CVE-2026-24448",
                    "options": [
                      {
                        "Exploitation": "none"
                      },
                      {
                        "Automatable": "yes"
                      },
                      {
                        "Technical Impact": "total"
                      }
                    ],
                    "role": "CISA Coordinator",
                    "timestamp": "2026-03-11T15:37:24.361566Z",
                    "version": "2.0.3"
                  },
                  "type": "ssvc"
                }
              }
            ],
            "providerMetadata": {
              "dateUpdated": "2026-03-11T15:39:46.530Z",
              "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
              "shortName": "CISA-ADP"
            },
            "title": "CISA ADP Vulnrichment"
          }
        ],
        "cna": {
          "affected": [
            {
              "product": "MR-GM5L-S1",
              "vendor": "Micro Research Ltd.",
              "versions": [
                {
                  "status": "affected",
                  "version": "firmware versions prior to v2.01.04N1_02"
                }
              ]
            },
            {
              "product": "MR-GM5A-L1",
              "vendor": "Micro Research Ltd.",
              "versions": [
                {
                  "status": "affected",
                  "version": "firmware versions prior to v2.01.04N1_02"
                }
              ]
            }
          ],
          "descriptions": [
            {
              "lang": "en",
              "value": "Use of hard-coded credentials issue exists in MR-GM5L-S1 and MR-GM5A-L1, which may allow an attacker to obtain administrative access."
            }
          ],
          "metrics": [
            {
              "cvssV3_0": {
                "baseScore": 9.8,
                "baseSeverity": "CRITICAL",
                "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
                "version": "3.0"
              },
              "format": "CVSS",
              "scenarios": [
                {
                  "lang": "en-US",
                  "value": "GENERAL"
                }
              ]
            },
            {
              "cvssV4_0": {
                "baseScore": 9.3,
                "baseSeverity": "CRITICAL",
                "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N",
                "version": "4.0"
              },
              "format": "CVSS",
              "scenarios": [
                {
                  "lang": "en-US",
                  "value": "GENERAL"
                }
              ]
            }
          ],
          "problemTypes": [
            {
              "descriptions": [
                {
                  "cweId": "CWE-798",
                  "description": "Use of hard-coded credentials",
                  "lang": "en-US",
                  "type": "CWE"
                }
              ]
            }
          ],
          "providerMetadata": {
            "dateUpdated": "2026-03-11T05:25:25.618Z",
            "orgId": "ede6fdc4-6654-4307-a26d-3331c018e2ce",
            "shortName": "jpcert"
          },
          "references": [
            {
              "url": "https://www.mrl.co.jp/download/security/JVNVU98103854.pdf"
            },
            {
              "url": "https://jvn.jp/en/vu/JVNVU98103854/"
            }
          ]
        }
      },
      "cveMetadata": {
        "assignerOrgId": "ede6fdc4-6654-4307-a26d-3331c018e2ce",
        "assignerShortName": "jpcert",
        "cveId": "CVE-2026-24448",
        "datePublished": "2026-03-11T05:25:25.618Z",
        "dateReserved": "2026-03-10T01:22:57.438Z",
        "dateUpdated": "2026-03-11T15:39:46.530Z",
        "state": "PUBLISHED"
      },
      "dataType": "CVE_RECORD",
      "dataVersion": "5.2"
    }

    CVE-2026-20892 (GCVE-0-2026-20892)

    Vulnerability from cvelistv5 – Published: 2026-03-11 05:25 – Updated: 2026-03-11 15:39
    VLAI
    Summary
    Code injection vulnerability exists in MR-GM5L-S1 and MR-GM5A-L1, which may allow an attacker with administrative privileges to execute arbitrary commands.
    SSVC
    Exploitation: none Automatable: no Technical Impact: total
    CISA Coordinator (v2.0.3)
    CWE
    Assigner
    Impacted products
    Vendor Product Version
    Micro Research Ltd. MR-GM5L-S1 Affected: firmware versions prior to v2.01.04N1_02
    Create a notification for this product.
    Micro Research Ltd. MR-GM5A-L1 Affected: firmware versions prior to v2.01.04N1_02
    Create a notification for this product.
    Show details on NVD website

    {
      "containers": {
        "adp": [
          {
            "metrics": [
              {
                "other": {
                  "content": {
                    "id": "CVE-2026-20892",
                    "options": [
                      {
                        "Exploitation": "none"
                      },
                      {
                        "Automatable": "no"
                      },
                      {
                        "Technical Impact": "total"
                      }
                    ],
                    "role": "CISA Coordinator",
                    "timestamp": "2026-03-11T15:37:30.516008Z",
                    "version": "2.0.3"
                  },
                  "type": "ssvc"
                }
              }
            ],
            "providerMetadata": {
              "dateUpdated": "2026-03-11T15:39:46.667Z",
              "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
              "shortName": "CISA-ADP"
            },
            "title": "CISA ADP Vulnrichment"
          }
        ],
        "cna": {
          "affected": [
            {
              "product": "MR-GM5L-S1",
              "vendor": "Micro Research Ltd.",
              "versions": [
                {
                  "status": "affected",
                  "version": "firmware versions prior to v2.01.04N1_02"
                }
              ]
            },
            {
              "product": "MR-GM5A-L1",
              "vendor": "Micro Research Ltd.",
              "versions": [
                {
                  "status": "affected",
                  "version": "firmware versions prior to v2.01.04N1_02"
                }
              ]
            }
          ],
          "descriptions": [
            {
              "lang": "en",
              "value": "Code injection vulnerability exists in MR-GM5L-S1 and MR-GM5A-L1, which may allow an attacker with administrative privileges to execute arbitrary commands."
            }
          ],
          "metrics": [
            {
              "cvssV3_0": {
                "baseScore": 7.2,
                "baseSeverity": "HIGH",
                "vectorString": "CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H",
                "version": "3.0"
              },
              "format": "CVSS",
              "scenarios": [
                {
                  "lang": "en-US",
                  "value": "GENERAL"
                }
              ]
            },
            {
              "cvssV4_0": {
                "baseScore": 8.6,
                "baseSeverity": "HIGH",
                "vectorString": "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",
                "version": "4.0"
              },
              "format": "CVSS",
              "scenarios": [
                {
                  "lang": "en-US",
                  "value": "GENERAL"
                }
              ]
            }
          ],
          "problemTypes": [
            {
              "descriptions": [
                {
                  "cweId": "CWE-94",
                  "description": "Code injection",
                  "lang": "en-US",
                  "type": "CWE"
                }
              ]
            }
          ],
          "providerMetadata": {
            "dateUpdated": "2026-03-11T05:25:15.694Z",
            "orgId": "ede6fdc4-6654-4307-a26d-3331c018e2ce",
            "shortName": "jpcert"
          },
          "references": [
            {
              "url": "https://www.mrl.co.jp/download/security/JVNVU98103854.pdf"
            },
            {
              "url": "https://jvn.jp/en/vu/JVNVU98103854/"
            }
          ]
        }
      },
      "cveMetadata": {
        "assignerOrgId": "ede6fdc4-6654-4307-a26d-3331c018e2ce",
        "assignerShortName": "jpcert",
        "cveId": "CVE-2026-20892",
        "datePublished": "2026-03-11T05:25:15.694Z",
        "dateReserved": "2026-03-10T01:23:02.687Z",
        "dateUpdated": "2026-03-11T15:39:46.667Z",
        "state": "PUBLISHED"
      },
      "dataType": "CVE_RECORD",
      "dataVersion": "5.2"
    }

    CVE-2023-45194 (GCVE-0-2023-45194)

    Vulnerability from cvelistv5 – Published: 2023-10-11 00:12 – Updated: 2024-09-18 18:12
    VLAI
    Summary
    Use of default credentials vulnerability in MR-GM2 firmware Ver. 3.00.03 and earlier, and MR-GM3 (-D/-K/-S/-DK/-DKS/-M/-W) firmware Ver. 1.03.45 and earlier allows a network-adjacent unauthenticated attacker to intercept wireless LAN communication, when the affected product performs the communication without changing the pre-shared key from the factory-default configuration.
    Severity
    No CVSS data available.
    SSVC
    Exploitation: none Automatable: no Technical Impact: partial
    CISA Coordinator (v2.0.3)
    CWE
    • Use of Hard-coded Credentials
    Assigner
    Impacted products
    Vendor Product Version
    Micro Research Ltd. MR-GM2 Affected: firmware Ver. 3.00.03 and earlier
    Create a notification for this product.
    Micro Research Ltd. MR-GM3 (-D/-K/-S/-DK/-DKS/-M/-W) Affected: firmware Ver. 1.03.45 and earlier
    Create a notification for this product.
    Show details on NVD website

    {
      "containers": {
        "adp": [
          {
            "providerMetadata": {
              "dateUpdated": "2024-08-02T20:14:19.930Z",
              "orgId": "af854a3a-2127-422b-91ae-364da2661108",
              "shortName": "CVE"
            },
            "references": [
              {
                "tags": [
                  "x_transferred"
                ],
                "url": "https://www.mrl.co.jp/20231005_security/"
              },
              {
                "tags": [
                  "x_transferred"
                ],
                "url": "https://jvn.jp/en/vu/JVNVU99039725/"
              }
            ],
            "title": "CVE Program Container"
          },
          {
            "metrics": [
              {
                "other": {
                  "content": {
                    "id": "CVE-2023-45194",
                    "options": [
                      {
                        "Exploitation": "none"
                      },
                      {
                        "Automatable": "no"
                      },
                      {
                        "Technical Impact": "partial"
                      }
                    ],
                    "role": "CISA Coordinator",
                    "timestamp": "2024-09-18T18:11:26.735255Z",
                    "version": "2.0.3"
                  },
                  "type": "ssvc"
                }
              }
            ],
            "providerMetadata": {
              "dateUpdated": "2024-09-18T18:12:54.973Z",
              "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
              "shortName": "CISA-ADP"
            },
            "title": "CISA ADP Vulnrichment"
          }
        ],
        "cna": {
          "affected": [
            {
              "product": "MR-GM2",
              "vendor": "Micro Research Ltd.",
              "versions": [
                {
                  "status": "affected",
                  "version": "firmware Ver. 3.00.03 and earlier"
                }
              ]
            },
            {
              "product": "MR-GM3 (-D/-K/-S/-DK/-DKS/-M/-W)",
              "vendor": "Micro Research Ltd.",
              "versions": [
                {
                  "status": "affected",
                  "version": "firmware Ver. 1.03.45 and earlier"
                }
              ]
            }
          ],
          "descriptions": [
            {
              "lang": "en",
              "value": "Use of default credentials vulnerability in MR-GM2 firmware Ver. 3.00.03 and earlier, and MR-GM3 (-D/-K/-S/-DK/-DKS/-M/-W) firmware Ver. 1.03.45 and earlier allows a network-adjacent unauthenticated attacker to intercept wireless LAN communication, when the affected product performs the communication without changing the pre-shared key from the factory-default configuration."
            }
          ],
          "problemTypes": [
            {
              "descriptions": [
                {
                  "description": "Use of Hard-coded Credentials",
                  "lang": "en",
                  "type": "text"
                }
              ]
            }
          ],
          "providerMetadata": {
            "dateUpdated": "2023-10-11T00:12:54.320Z",
            "orgId": "ede6fdc4-6654-4307-a26d-3331c018e2ce",
            "shortName": "jpcert"
          },
          "references": [
            {
              "url": "https://www.mrl.co.jp/20231005_security/"
            },
            {
              "url": "https://jvn.jp/en/vu/JVNVU99039725/"
            }
          ]
        }
      },
      "cveMetadata": {
        "assignerOrgId": "ede6fdc4-6654-4307-a26d-3331c018e2ce",
        "assignerShortName": "jpcert",
        "cveId": "CVE-2023-45194",
        "datePublished": "2023-10-11T00:12:54.320Z",
        "dateReserved": "2023-10-05T02:27:26.616Z",
        "dateUpdated": "2024-09-18T18:12:54.973Z",
        "state": "PUBLISHED"
      },
      "dataType": "CVE_RECORD",
      "dataVersion": "5.1"
    }