GCVE Workshop - 22 September 2026 (14:00-18:00), Luxembourg Before The Vulnopticon Conference - Registration

CVE-2025-41758 (GCVE-0-2025-41758)

Vulnerability from cvelistv5 – Published: 2026-03-09 08:16 – Updated: 2026-03-09 20:14
VLAI
Title
Arbitrary Write with wwwupload.cgi
Summary
A low-privileged remote attacker can exploit an arbitrary file write vulnerability in the wwupload.cgi endpoint. Due to path traversal this can lead to overwriting arbitrary files on the device and achieving a full system compromise.
SSVC
Exploitation: none Automatable: no Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-03-09 20:02 UTC
CWE
  • CWE-22 - Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')
References
Impacted products
Vendor Product Version CPE status
MBS UBR-01 Mk II Affected: 0.0.0 , < 6.0.1.0 (semver)
guessed Create a notification for this product.
MBS UBR-02 Affected: 0.0.0 , < 6.0.1.0 (semver)
guessed Create a notification for this product.
MBS UBR-LON Affected: 0.0.0 , < 6.0.1.0 (semver)
guessed Create a notification for this product.
Show details on NVD website

{
  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2025-41758",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "total"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2026-03-09T20:02:06.656318Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2026-03-09T20:14:05.983Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "UBR-01 Mk II",
          "vendor": "MBS",
          "versions": [
            {
              "lessThan": "6.0.1.0",
              "status": "affected",
              "version": "0.0.0",
              "versionType": "semver"
            }
          ]
        },
        {
          "defaultStatus": "unaffected",
          "product": "UBR-02",
          "vendor": "MBS",
          "versions": [
            {
              "lessThan": "6.0.1.0",
              "status": "affected",
              "version": "0.0.0",
              "versionType": "semver"
            }
          ]
        },
        {
          "defaultStatus": "unaffected",
          "product": "UBR-LON",
          "vendor": "MBS",
          "versions": [
            {
              "lessThan": "6.0.1.0",
              "status": "affected",
              "version": "0.0.0",
              "versionType": "semver"
            }
          ]
        }
      ],
      "credits": [
        {
          "lang": "en",
          "type": "finder",
          "user": "00000000-0000-4000-9000-000000000000",
          "value": "Adrien Rey from Cyber Defense Campus Zurich"
        },
        {
          "lang": "en",
          "type": "finder",
          "user": "00000000-0000-4000-9000-000000000000",
          "value": "Daniel Hulliger from Armasuisse"
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "supportingMedia": [
            {
              "base64": false,
              "type": "text/html",
              "value": "A low-privileged remote attacker can exploit an arbitrary file write vulnerability in the wwupload.cgi endpoint. Due to path traversal this can lead to overwriting arbitrary files on the device and achieving a full system compromise.\u003cbr\u003e"
            }
          ],
          "value": "A low-privileged remote attacker can exploit an arbitrary file write vulnerability in the wwupload.cgi endpoint. Due to path traversal this can lead to overwriting arbitrary files on the device and achieving a full system compromise."
        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 8.8,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "HIGH",
            "privilegesRequired": "LOW",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
            "version": "3.1"
          },
          "format": "CVSS",
          "scenarios": [
            {
              "lang": "en",
              "value": "GENERAL"
            }
          ]
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-22",
              "description": "CWE-22 Improper Limitation of a Pathname to a Restricted Directory (\u0027Path Traversal\u0027)",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-03-09T08:16:30.500Z",
        "orgId": "270ccfa6-a436-4e77-922e-914ec3a9685c",
        "shortName": "CERTVDE"
      },
      "references": [
        {
          "url": "https://www.mbs-solutions.de/mbs-2025-0001"
        }
      ],
      "source": {
        "defect": [
          "CERT@VDE#641895"
        ],
        "discovery": "UNKNOWN"
      },
      "title": "Arbitrary Write with wwwupload.cgi",
      "x_generator": {
        "engine": "Vulnogram 0.1.0-dev"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "270ccfa6-a436-4e77-922e-914ec3a9685c",
    "assignerShortName": "CERTVDE",
    "cveId": "CVE-2025-41758",
    "datePublished": "2026-03-09T08:16:30.500Z",
    "dateReserved": "2025-04-16T11:18:45.760Z",
    "dateUpdated": "2026-03-09T20:14:05.983Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2",
  "vulnerability-lookup:meta": {
    "epss": {
      "cve": "CVE-2025-41758",
      "date": "2026-09-16",
      "epss": "0.00542",
      "percentile": "0.44223"
    },
    "nvd": "{\"cve\":{\"id\":\"CVE-2025-41758\",\"sourceIdentifier\":\"info@cert.vde.com\",\"published\":\"2026-03-09T09:15:59.720\",\"lastModified\":\"2026-06-17T09:23:07.200\",\"vulnStatus\":\"Analyzed\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"A low-privileged remote attacker can exploit an arbitrary file write vulnerability in the wwupload.cgi endpoint. Due to path traversal this can lead to overwriting arbitrary files on the device and achieving a full system compromise.\"},{\"lang\":\"es\",\"value\":\"Un atacante remoto con pocos privilegios puede explotar una vulnerabilidad de escritura de archivos arbitraria en el endpoint wwupload.cgi. Debido al salto de ruta, esto puede llevar a la sobrescritura de archivos arbitrarios en el dispositivo y a lograr un compromiso total del sistema.\"}],\"affected\":[{\"source\":\"info@cert.vde.com\",\"affectedData\":[{\"vendor\":\"MBS\",\"product\":\"UBR-01 Mk II\",\"defaultStatus\":\"unaffected\",\"versions\":[{\"version\":\"0.0.0\",\"lessThan\":\"6.0.1.0\",\"versionType\":\"semver\",\"status\":\"affected\"}]},{\"vendor\":\"MBS\",\"product\":\"UBR-02\",\"defaultStatus\":\"unaffected\",\"versions\":[{\"version\":\"0.0.0\",\"lessThan\":\"6.0.1.0\",\"versionType\":\"semver\",\"status\":\"affected\"}]},{\"vendor\":\"MBS\",\"product\":\"UBR-LON\",\"defaultStatus\":\"unaffected\",\"versions\":[{\"version\":\"0.0.0\",\"lessThan\":\"6.0.1.0\",\"versionType\":\"semver\",\"status\":\"affected\"}]}]}],\"metrics\":{\"cvssMetricV31\":[{\"source\":\"info@cert.vde.com\",\"type\":\"Secondary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H\",\"baseScore\":8.8,\"baseSeverity\":\"HIGH\",\"attackVector\":\"NETWORK\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"LOW\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"HIGH\",\"integrityImpact\":\"HIGH\",\"availabilityImpact\":\"HIGH\"},\"exploitabilityScore\":2.8,\"impactScore\":5.9}],\"ssvcV203\":[{\"source\":\"134c704f-9b21-4f2e-91b3-4a467353bcc0\",\"ssvcData\":{\"timestamp\":\"2026-03-09T20:02:06.656318Z\",\"id\":\"CVE-2025-41758\",\"options\":[{\"exploitation\":\"none\"},{\"automatable\":\"no\"},{\"technicalImpact\":\"total\"}],\"role\":\"CISA Coordinator\",\"version\":\"2.0.3\"}}]},\"weaknesses\":[{\"source\":\"info@cert.vde.com\",\"type\":\"Secondary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-22\"}]}],\"configurations\":[{\"operator\":\"AND\",\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:mbs-solutions:universal_bacnet_router_firmware:*:*:*:*:*:*:*:*\",\"versionEndExcluding\":\"6.0.1.0\",\"matchCriteriaId\":\"D4E2B246-5465-41DB-BD9A-1533A7508790\"}]},{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":false,\"criteria\":\"cpe:2.3:h:mbs-solutions:ubr-01_mk_ii:-:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"0D812069-6738-4B82-992B-09BB239783AB\"},{\"vulnerable\":false,\"criteria\":\"cpe:2.3:h:mbs-solutions:ubr-02:-:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"B21413DE-E1FA-4B5C-A415-F8E70D7090BF\"},{\"vulnerable\":false,\"criteria\":\"cpe:2.3:h:mbs-solutions:ubr-lon:-:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"E0C67EAC-C633-4037-B2C4-965455FFF2A0\"}]}]}],\"references\":[{\"url\":\"https://www.mbs-solutions.de/mbs-2025-0001\",\"source\":\"info@cert.vde.com\",\"tags\":[\"Vendor Advisory\"]}]}}",
    "redhat_vex": {
      "current_release_date": "2026-03-27T08:40:26+00:00",
      "cve": "CVE-2025-41758",
      "id": "CVE-2025-41758",
      "initial_release_date": "2025-01-01T00:00:00+00:00",
      "product_status:known_not_affected": "1",
      "source": "Red Hat CSAF VEX",
      "status": "final",
      "title": "Arbitrary Write with wwwupload.cgi",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2025/cve-2025-41758.json",
      "version": "3"
    },
    "vulnrichment": {
      "containers": "{\"adp\": [{\"title\": \"CISA ADP Vulnrichment\", \"metrics\": [{\"other\": {\"type\": \"ssvc\", \"content\": {\"id\": \"CVE-2025-41758\", \"role\": \"CISA Coordinator\", \"options\": [{\"Exploitation\": \"none\"}, {\"Automatable\": \"no\"}, {\"Technical Impact\": \"total\"}], \"version\": \"2.0.3\", \"timestamp\": \"2026-03-09T20:02:06.656318Z\"}}}], \"providerMetadata\": {\"orgId\": \"134c704f-9b21-4f2e-91b3-4a467353bcc0\", \"shortName\": \"CISA-ADP\", \"dateUpdated\": \"2026-03-09T20:04:23.334Z\"}}], \"cna\": {\"title\": \"Arbitrary Write with wwwupload.cgi\", \"source\": {\"defect\": [\"CERT@VDE#641895\"], \"discovery\": \"UNKNOWN\"}, \"credits\": [{\"lang\": \"en\", \"type\": \"finder\", \"user\": \"00000000-0000-4000-9000-000000000000\", \"value\": \"Adrien Rey from Cyber Defense Campus Zurich\"}, {\"lang\": \"en\", \"type\": \"finder\", \"user\": \"00000000-0000-4000-9000-000000000000\", \"value\": \"Daniel Hulliger from Armasuisse\"}], \"metrics\": [{\"format\": \"CVSS\", \"cvssV3_1\": {\"scope\": \"UNCHANGED\", \"version\": \"3.1\", \"baseScore\": 8.8, \"attackVector\": \"NETWORK\", \"baseSeverity\": \"HIGH\", \"vectorString\": \"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H\", \"integrityImpact\": \"HIGH\", \"userInteraction\": \"NONE\", \"attackComplexity\": \"LOW\", \"availabilityImpact\": \"HIGH\", \"privilegesRequired\": \"LOW\", \"confidentialityImpact\": \"HIGH\"}, \"scenarios\": [{\"lang\": \"en\", \"value\": \"GENERAL\"}]}], \"affected\": [{\"vendor\": \"MBS\", \"product\": \"UBR-01 Mk II\", \"versions\": [{\"status\": \"affected\", \"version\": \"0.0.0\", \"lessThan\": \"6.0.1.0\", \"versionType\": \"semver\"}], \"defaultStatus\": \"unaffected\"}, {\"vendor\": \"MBS\", \"product\": \"UBR-02\", \"versions\": [{\"status\": \"affected\", \"version\": \"0.0.0\", \"lessThan\": \"6.0.1.0\", \"versionType\": \"semver\"}], \"defaultStatus\": \"unaffected\"}, {\"vendor\": \"MBS\", \"product\": \"UBR-LON\", \"versions\": [{\"status\": \"affected\", \"version\": \"0.0.0\", \"lessThan\": \"6.0.1.0\", \"versionType\": \"semver\"}], \"defaultStatus\": \"unaffected\"}], \"references\": [{\"url\": \"https://www.mbs-solutions.de/mbs-2025-0001\"}], \"x_generator\": {\"engine\": \"Vulnogram 0.1.0-dev\"}, \"descriptions\": [{\"lang\": \"en\", \"value\": \"A low-privileged remote attacker can exploit an arbitrary file write vulnerability in the wwupload.cgi endpoint. Due to path traversal this can lead to overwriting arbitrary files on the device and achieving a full system compromise.\", \"supportingMedia\": [{\"type\": \"text/html\", \"value\": \"A low-privileged remote attacker can exploit an arbitrary file write vulnerability in the wwupload.cgi endpoint. Due to path traversal this can lead to overwriting arbitrary files on the device and achieving a full system compromise.\u003cbr\u003e\", \"base64\": false}]}], \"problemTypes\": [{\"descriptions\": [{\"lang\": \"en\", \"type\": \"CWE\", \"cweId\": \"CWE-22\", \"description\": \"CWE-22 Improper Limitation of a Pathname to a Restricted Directory (\u0027Path Traversal\u0027)\"}]}], \"providerMetadata\": {\"orgId\": \"270ccfa6-a436-4e77-922e-914ec3a9685c\", \"shortName\": \"CERTVDE\", \"dateUpdated\": \"2026-03-09T08:16:30.500Z\"}}}",
      "cveMetadata": "{\"cveId\": \"CVE-2025-41758\", \"state\": \"PUBLISHED\", \"dateUpdated\": \"2026-03-09T20:14:05.983Z\", \"dateReserved\": \"2025-04-16T11:18:45.760Z\", \"assignerOrgId\": \"270ccfa6-a436-4e77-922e-914ec3a9685c\", \"datePublished\": \"2026-03-09T08:16:30.500Z\", \"assignerShortName\": \"CERTVDE\"}",
      "dataType": "CVE_RECORD",
      "dataVersion": "5.2"
    }
  }
}



Log in or create an account to share your comment.




Tags
Taxonomy of the tags.


Loading…

Loading…

Loading…

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.

Sightings

Author Source Type Date Other

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

Loading…

Detection rules are retrieved from Rulezet.

Loading…

Loading…

Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.


Loading…