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CVE-2025-41677

Status: AnalyzedMedium (4.9)—

A high privileged remote attacker can exhaust critical system resources by sending specifically crafted POST requests to the send-mail action in fast succession.

CVSS

Exploitation probability (EPSS)

EPSS (Exploit Prediction Scoring System, FIRST) estimates how likely a vulnerability is to be exploited in the wild within 30 days. It complements CVSS (impact) and CISA KEV (confirmed exploitation).

Affected technologies (1)

Mbconnectline — Mbnet.mini Firmware

CWEs

References

Raw JSON (NVD)

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{
  "id": "CVE-2025-41677",
  "cveTags": [],
  "metrics": {
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2025-41677",
          "role": "CISA Coordinator",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "version": "2.0.3",
          "timestamp": "2025-07-21T15:00:24.440243Z"
        }
      }
    ],
    "cvssMetricV31": [
      {
        "type": "Secondary",
        "source": "info@cert.vde.com",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.1",
          "baseScore": 4.9,
          "attackVector": "NETWORK",
          "baseSeverity": "MEDIUM",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H",
          "integrityImpact": "NONE",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "HIGH",
          "privilegesRequired": "HIGH",
          "confidentialityImpact": "NONE"
        },
        "impactScore": 3.6,
        "exploitabilityScore": 1.2
      }
    ]
  },
  "affected": [
    {
      "source": "info@cert.vde.com",
      "affectedData": [
        {
          "vendor": "MB connect line",
          "product": "mbNET.mini",
          "versions": [
            {
              "status": "affected",
              "version": "0.0.0",
              "lessThan": "2.3.3",
              "versionType": "semver"
            }
          ],
          "defaultStatus": "unaffected"
        },
        {
          "vendor": "Helmholz",
          "product": "REX 100",
          "versions": [
            {
              "status": "affected",
              "version": "0.0.0",
              "lessThan": "2.3.3",
              "versionType": "semver"
            }
          ],
          "defaultStatus": "unaffected"
        }
      ]
    }
  ],
  "published": "2025-07-21T10:15:24.840",
  "references": [
    {
      "url": "https://certvde.com/de/advisories/VDE-2025-058",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "info@cert.vde.com"
    },
    {
      "url": "http://seclists.org/fulldisclosure/2025/Jul/38",
      "tags": [
        "Mailing List"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Analyzed",
  "weaknesses": [
    {
      "type": "Secondary",
      "source": "info@cert.vde.com",
      "description": [
        {
          "lang": "en",
          "value": "CWE-400"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "A high privileged remote attacker can exhaust critical system resources by sending specifically crafted POST requests to the send-mail action in fast succession."
    },
    {
      "lang": "es",
      "value": "Un atacante remoto con altos privilegios puede agotar recursos críticos del sistema al enviar solicitudes POST específicamente manipuladas a la acción send-mail en rápida sucesión."
    }
  ],
  "lastModified": "2026-06-17T09:22:56.577",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:o:mbconnectline:mbnet.mini_firmware:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "73596D99-CA79-4FF6-AEF1-62C751C7FD23",
              "versionEndExcluding": "2.3.3"
            }
          ],
          "operator": "OR"
        },
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:h:mbconnectline:mbnet.mini:-:*:*:*:*:*:*:*",
              "vulnerable": false,
              "matchCriteriaId": "A1D1B769-DA91-4F0C-AD34-D735B7A8B8FF"
            }
          ],
          "operator": "OR"
        }
      ],
      "operator": "AND"
    }
  ],
  "sourceIdentifier": "info@cert.vde.com"
}