cve-2026-1547

MEDIUM CVSS 6.3 opencve
Description

A vulnerability was detected in Totolink A7000R 4.1cu.4154. This affects the function setUnloadUserData of the file /cgi-bin/cstecgi.cgi. The manipulation of the argument plugin_name results in command injection. It is possible to launch the attack remotely. The exploit is now public and may be used.

Timeline
Published
2026-01-28 22:15 UTC
Last Modified
2026-06-17
CVSS Details

CVSS details not available.

Affected Products

No product information available.

Weaknesses (CWE)
CWE-74 CWE-77
CVSS metrics
Version Base Severity Vector Exploitability Impact Source
4.0 5.3 MEDIUM CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P mitre
3.1 6.3 MEDIUM CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R mitre
3.0 6.3 MEDIUM CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R mitre
4.0 2.1 LOW CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X nvd
3.1 6.3 MEDIUM CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L nvd
4.0 5.3 MEDIUM CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P opencve
3.1 6.3 MEDIUM CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R opencve
3.0 6.3 MEDIUM CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R opencve
References

No references available.

Linked Vulnerabilities

No linked vulnerabilities found.

{
  "cve": "CVE-2026-1547",
  "enrichment": {
    "created": "2026-01-29T09:08:57.414454+00:00",
    "updated": "2026-06-18T05:30:15.893051+00:00",
    "vendors": [
      "totolink",
      "totolink$PRODUCT$a7000r"
    ]
  },
  "epss": {
    "score": 0.0288
  },
  "mitre": {
    "cpes": [
      "cpe:2.3:o:totolink:a7000r_firmware:*:*:*:*:*:*:*:*"
    ],
    "created": "2026-01-28T22:02:10.788000+00:00",
    "description": "A vulnerability was detected in Totolink A7000R 4.1cu.4154. This affects the function setUnloadUserData of the file /cgi-bin/cstecgi.cgi. The manipulation of the argument plugin_name results in command injection. It is possible to launch the attack remotely. The exploit is now public and may be used.",
    "metrics": {
      "cvssV2_0": {
        "score": 6.5,
        "vector": "AV:N/AC:L/Au:S/C:P/I:P/A:P/E:POC/RL:ND/RC:UR"
      },
      "cvssV3_0": {
        "score": 6.3,
        "vector": "CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R"
      },
      "cvssV3_1": {
        "score": 6.3,
        "vector": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R"
      },
      "cvssV4_0": {
        "score": 5.3,
        "vector": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P"
      }
    },
    "mitre_repo_path": "cves/2026/1xxx/CVE-2026-1547.json",
    "references": [
      "https://github.com/xyh4ck/iot_poc/blob/main/TOTOLINK/A7000R/01_RCE_setUnloadUserData_RCE.md",
      "https://github.com/xyh4ck/iot_poc/blob/main/TOTOLINK/A7000R/01_RCE_setUnloadUserData_RCE.md#poc",
      "https://vuldb.com/?ctiid.343231",
      "https://vuldb.com/?id.343231",
      "https://vuldb.com/?submit.739713",
      "https://www.totolink.net/"
    ],
    "title": "Totolink A7000R cstecgi.cgi setUnloadUserData command injection",
    "updated": "2026-02-23T09:02:20.499000+00:00",
    "vendors": [
      "totolink",
      "totolink$PRODUCT$a7000r_firmware"
    ],
    "weaknesses": [
      "CWE-74",
      "CWE-77"
    ]
  },
  "nvd": {
    "cpes": [
      "cpe:2.3:h:totolink:a7000r:-:*:*:*:*:*:*:*",
      "cpe:2.3:o:totolink:a7000r_firmware:4.1cu.4154:*:*:*:*:*:*:*"
    ],
    "created": "2026-01-28T22:15:55.853000+00:00",
    "description": "A vulnerability was detected in Totolink A7000R 4.1cu.4154. This affects the function setUnloadUserData of the file /cgi-bin/cstecgi.cgi. The manipulation of the argument plugin_name results in command injection. It is possible to launch the attack remotely. The exploit is now public and may be used.",
    "metrics": {
      "cvssV2_0": {
        "score": 6.5,
        "vector": "AV:N/AC:L/Au:S/C:P/I:P/A:P"
      },
      "cvssV3_0": {},
      "cvssV3_1": {
        "score": 6.3,
        "vector": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L"
      },
      "cvssV4_0": {
        "score": 2.1,
        "vector": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X"
      }
    },
    "nvd_repo_path": "2026/CVE-2026-1547.json",
    "references": [
      "https://github.com/xyh4ck/iot_poc/blob/main/TOTOLINK/A7000R/01_RCE_setUnloadUserData_RCE.md",
      "https://github.com/xyh4ck/iot_poc/blob/main/TOTOLINK/A7000R/01_RCE_setUnloadUserData_RCE.md#poc",
      "https://vuldb.com/?ctiid.343231",
      "https://vuldb.com/?id.343231",
      "https://vuldb.com/?submit.739713",
      "https://www.totolink.net/"
    ],
    "title": null,
    "updated": "2026-06-17T10:16:02.790000+00:00",
    "vendors": [
      "totolink",
      "totolink$PRODUCT$a7000r",
      "totolink$PRODUCT$a7000r_firmware"
    ],
    "weaknesses": [
      "CWE-74",
      "CWE-77"
    ]
  },
  "opencve": {
    "changes": [
      {
        "created": "2026-01-28T22:15:00+00:00",
        "data": [
          {
            "details": {
              "new": "A vulnerability was detected in Totolink A7000R 4.1cu.4154. This affects the function setUnloadUserData of the file /cgi-bin/cstecgi.cgi. The manipulation of the argument plugin_name results in command injection. It is possible to launch the attack remotely. The exploit is now public and may be used.",
              "old": null
            },
            "type": "description"
          },
          {
            "details": {
              "new": "Totolink A7000R cstecgi.cgi setUnloadUserData command injection",
              "old": null
            },
            "type": "title"
          },
          {
            "details": {
              "added": [
                "CWE-74",
                "CWE-77"
              ],
              "removed": []
            },
            "type": "weaknesses"
          },
          {
            "details": {
              "added": [
                "https://github.com/xyh4ck/iot_poc/blob/main/TOTOLINK/A7000R/01_RCE_setUnloadUserData_RCE.md",
                "https://github.com/xyh4ck/iot_poc/blob/main/TOTOLINK/A7000R/01_RCE_setUnloadUserData_RCE.md#poc",
                "https://vuldb.com/?ctiid.343231",
                "https://vuldb.com/?id.343231",
                "https://vuldb.com/?submit.739713",
                "https://www.totolink.net/"
              ],
              "removed": []
            },
            "type": "references"
          },
          {
            "details": {
              "added": {
                "cvssV2_0": {
                  "score": 6.5,
                  "vector": "AV:N/AC:L/Au:S/C:P/I:P/A:P/E:POC/RL:ND/RC:UR"
                },
                "cvssV3_0": {
                  "score": 6.3,
                  "vector": "CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R"
                },
                "cvssV3_1": {
                  "score": 6.3,
                  "vector": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R"
                },
                "cvssV4_0": {
                  "score": 5.3,
                  "vector": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P"
                }
              },
              "removed": {},
              "updated": {}
            },
            "type": "metrics"
          }
        ],
        "id": "c1850e21-6dc0-4f04-be39-d4bcda1c1f21"
      },
      {
        "created": "2026-01-29T10:15:00+00:00",
        "data": [
          {
            "details": [
              "totolink",
              "totolink$PRODUCT$a7000r"
            ],
            "type": "first_time"
          },
          {
            "details": {
              "added": [
                "totolink",
                "totolink$PRODUCT$a7000r"
              ],
              "removed": []
            },
            "type": "vendors"
          }
        ],
        "id": "cb42dbc1-27f2-4537-b3e4-ca5244f150df"
      },
      {
        "created": "2026-01-29T17:15:00+00:00",
        "data": [
          {
            "details": {
              "added": {
                "ssvc": {
                  "options": {
                    "Automatable": "no",
                    "Exploitation": "poc",
                    "Technical Impact": "partial"
                  },
                  "version": "2.0.3"
                }
              },
              "removed": {},
              "updated": {}
            },
            "type": "metrics"
          }
        ],
        "id": "be1a7542-c45f-49be-8902-6bd55d4ab737"
      },
      {
        "created": "2026-02-09T17:00:00+00:00",
        "data": [
          {
            "details": [
              "totolink$PRODUCT$a7000r_firmware"
            ],
            "type": "first_time"
          },
          {
            "details": {
              "added": [
                "cpe:2.3:h:totolink:a7000r:-:*:*:*:*:*:*:*",
                "cpe:2.3:o:totolink:a7000r_firmware:4.1cu.4154:*:*:*:*:*:*:*"
              ],
              "removed": []
            },
            "type": "cpes"
          },
          {
            "details": {
              "added": [
                "totolink$PRODUCT$a7000r_firmware"
              ],
              "removed": []
            },
            "type": "vendors"
          }
        ],
        "id": "a5d3b076-7485-4f24-9157-71071487a947"
      },
      {
        "created": "2026-02-23T09:15:00+00:00",
        "data": [
          {
            "details": {
              "added": [
                "cpe:2.3:o:totolink:a7000r_firmware:*:*:*:*:*:*:*:*"
              ],
              "removed": []
            },
            "type": "cpes"
          }
        ],
        "id": "fcd8e660-dd6a-4287-b14d-33582e7961f2"
      }
    ],
    "cpes": {
      "data": [
        "cpe:2.3:h:totolink:a7000r:-:*:*:*:*:*:*:*",
        "cpe:2.3:o:totolink:a7000r_firmware:*:*:*:*:*:*:*:*",
        "cpe:2.3:o:totolink:a7000r_firmware:4.1cu.4154:*:*:*:*:*:*:*"
      ],
      "providers": [
        "mitre",
        "nvd"
      ]
    },
    "created": {
      "data": "2026-01-28T22:02:10.788000+00:00",
      "provider": "mitre"
    },
    "description": {
      "data": "A vulnerability was detected in Totolink A7000R 4.1cu.4154. This affects the function setUnloadUserData of the file /cgi-bin/cstecgi.cgi. The manipulation of the argument plugin_name results in command injection. It is possible to launch the attack remotely. The exploit is now public and may be used.",
      "provider": "mitre"
    },
    "metrics": {
      "cvssV2_0": {
        "data": {
          "score": 6.5,
          "vector": "AV:N/AC:L/Au:S/C:P/I:P/A:P/E:POC/RL:ND/RC:UR"
        },
        "provider": "mitre"
      },
      "cvssV3_0": {
        "data": {
          "score": 6.3,
          "vector": "CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R"
        },
        "provider": "mitre"
      },
      "cvssV3_1": {
        "data": {
          "score": 6.3,
          "vector": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R"
        },
        "provider": "mitre"
      },
      "cvssV4_0": {
        "data": {
          "score": 5.3,
          "vector": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P"
        },
        "provider": "mitre"
      },
      "epss": {
        "data": {
          "score": 0.0288
        },
        "provider": "first"
      },
      "kev": {
        "data": {},
        "provider": null
      },
      "ssvc": {
        "data": {
          "options": {
            "Automatable": "no",
            "Exploitation": "poc",
            "Technical Impact": "partial"
          },
          "version": "2.0.3"
        },
        "provider": "vulnrichment"
      },
      "threat_severity": {
        "data": null,
        "provider": null
      }
    },
    "references": {
      "data": [
        "https://github.com/xyh4ck/iot_poc/blob/main/TOTOLINK/A7000R/01_RCE_setUnloadUserData_RCE.md",
        "https://github.com/xyh4ck/iot_poc/blob/main/TOTOLINK/A7000R/01_RCE_setUnloadUserData_RCE.md#poc",
        "https://vuldb.com/?ctiid.343231",
        "https://vuldb.com/?id.343231",
        "https://vuldb.com/?submit.739713",
        "https://www.totolink.net/"
      ],
      "providers": [
        "mitre",
        "nvd",
        "vulnrichment"
      ]
    },
    "title": {
      "data": "Totolink A7000R cstecgi.cgi setUnloadUserData command injection",
      "provider": "mitre"
    },
    "updated": {
      "data": "2026-04-18T14:45:03.136040+00:00",
      "provider": "enrichment"
    },
    "vendors": {
      "data": [
        "totolink",
        "totolink$PRODUCT$a7000r",
        "totolink$PRODUCT$a7000r_firmware"
      ],
      "providers": [
        "mitre",
        "nvd",
        "enrichment"
      ]
    },
    "weaknesses": {
      "data": [
        "CWE-74",
        "CWE-77"
      ],
      "providers": [
        "mitre",
        "nvd"
      ]
    }
  },
  "vulnrichment": {
    "cpes": [],
    "created": "2026-01-28T22:02:10.788000+00:00",
    "description": "A vulnerability was detected in Totolink A7000R 4.1cu.4154. This affects the function setUnloadUserData of the file /cgi-bin/cstecgi.cgi. The manipulation of the argument plugin_name results in command injection. It is possible to launch the attack remotely. The exploit is now public and may be used.",
    "metrics": {
      "cvssV2_0": {},
      "cvssV3_0": {},
      "cvssV3_1": {},
      "cvssV4_0": {},
      "kev": {},
      "ssvc": {
        "options": {
          "Automatable": "no",
          "Exploitation": "poc",
          "Technical Impact": "partial"
        },
        "version": "2.0.3"
      }
    },
    "references": [
      "https://github.com/xyh4ck/iot_poc/blob/main/TOTOLINK/A7000R/01_RCE_setUnloadUserData_RCE.md",
      "https://github.com/xyh4ck/iot_poc/blob/main/TOTOLINK/A7000R/01_RCE_setUnloadUserData_RCE.md#poc"
    ],
    "title": "Totolink A7000R cstecgi.cgi setUnloadUserData command injection",
    "updated": "2026-01-29T16:01:10.770000+00:00",
    "vendors": [],
    "vulnrichment_repo_path": "2026/1xxx/CVE-2026-1547.json",
    "weaknesses": []
  }
}
Enrichment data
EPSS
View JSON Download
CISA KEV
View JSON Download
Aggregated bundle (all enrichments)
View JSON API Download bundle
View JSON API Download JSON