{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2025-41756", "assignerOrgId": "270ccfa6-a436-4e77-922e-914ec3a9685c", "state": "PUBLISHED", "assignerShortName": "CERTVDE", "dateReserved": "2025-04-16T11:18:45.759Z", "datePublished": "2026-03-09T08:16:10.423Z", "dateUpdated": "2026-03-09T20:14:06.365Z"}, "containers": {"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 the ubr-editfile method in wwwubr.cgi, an undocumented and unused API endpoint to write arbitrary files on the system.<br>"}], "value": "A low-privileged remote attacker can exploit the ubr-editfile method in wwwubr.cgi, an undocumented and unused API endpoint to write arbitrary files on the system."}], "metrics": [{"cvssV3_1": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 8.1, "baseSeverity": "HIGH", "confidentialityImpact": "NONE", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H", "version": "3.1"}, "format": "CVSS", "scenarios": [{"lang": "en", "value": "GENERAL"}]}], "problemTypes": [{"descriptions": [{"cweId": "CWE-1242", "description": "CWE-1242 Inclusion of Undocumented Features or Chicken Bits", "lang": "en", "type": "CWE"}]}], "providerMetadata": {"orgId": "270ccfa6-a436-4e77-922e-914ec3a9685c", "shortName": "CERTVDE", "dateUpdated": "2026-03-09T08:16:10.423Z"}, "references": [{"url": "https://www.mbs-solutions.de/mbs-2025-0001"}], "source": {"defect": ["CERT@VDE#641895"], "discovery": "UNKNOWN"}, "title": "Arbitrary Write with ubr-editfile", "x_generator": {"engine": "Vulnogram 0.1.0-dev"}}, "adp": [{"metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2025-41756", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "version": "2.0.3", "timestamp": "2026-03-09T20:01:41.875068Z"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-03-09T20:14:06.365Z"}}]}}

{"dataType": "CVE_RECORD", "containers": {"adp": [{"title": "CISA ADP Vulnrichment", "metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2025-41756", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "version": "2.0.3", "timestamp": "2026-03-09T20:01:41.875068Z"}}}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-03-09T20:04:27.387Z"}}], "cna": {"title": "Arbitrary Write with ubr-editfile", "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": 8.1, "attackVector": "NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "LOW", "confidentialityImpact": "NONE"}, "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 the ubr-editfile method in wwwubr.cgi, an undocumented and unused API endpoint to write arbitrary files on the system.", "supportingMedia": [{"type": "text/html", "value": "A low-privileged remote attacker can exploit the ubr-editfile method in wwwubr.cgi, an undocumented and unused API endpoint to write arbitrary files on the system.<br>", "base64": false}]}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "CWE", "cweId": "CWE-1242", "description": "CWE-1242 Inclusion of Undocumented Features or Chicken Bits"}]}], "providerMetadata": {"orgId": "270ccfa6-a436-4e77-922e-914ec3a9685c", "shortName": "CERTVDE", "dateUpdated": "2026-03-09T08:16:10.423Z"}}}, "cveMetadata": {"cveId": "CVE-2025-41756", "state": "PUBLISHED", "dateUpdated": "2026-03-09T20:14:06.365Z", "dateReserved": "2025-04-16T11:18:45.759Z", "assignerOrgId": "270ccfa6-a436-4e77-922e-914ec3a9685c", "datePublished": "2026-03-09T08:16:10.423Z", "assignerShortName": "CERTVDE"}, "dataVersion": "5.2"}

{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:mbs-solutions:universal_bacnet_router_firmware:*:*:*:*:*:*:*:*", "matchCriteriaId": "D4E2B246-5465-41DB-BD9A-1533A7508790", "versionEndExcluding": "6.0.1.0", "vulnerable": true}], "negate": false, "operator": "OR"}, {"cpeMatch": [{"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", "vulnerable": false}], "negate": false, "operator": "OR"}], "operator": "AND"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "A low-privileged remote attacker can exploit the ubr-editfile method in wwwubr.cgi, an undocumented and unused API endpoint to write arbitrary files on the system."}, {"lang": "es", "value": "Un atacante remoto de bajo privilegio puede explotar el m\u00e9todo ubr-editfile en wwwubr.cgi, un endpoint de API no documentado y sin usar para escribir archivos arbitrarios en el sistema."}], "id": "CVE-2025-41756", "lastModified": "2026-03-11T18:26:43.083", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 8.1, "baseSeverity": "HIGH", "confidentialityImpact": "NONE", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 2.8, "impactScore": 5.2, "source": "[email protected]", "type": "Primary"}]}, "published": "2026-03-09T09:15:59.370", "references": [{"source": "[email protected]", "tags": ["Vendor Advisory"], "url": "https://www.mbs-solutions.de/mbs-2025-0001"}], "sourceIdentifier": "[email protected]", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-1242"}], "source": "[email protected]", "type": "Primary"}]}

{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[0.0.0,6.0.1.0)"}}], "enrichment": {"confidence": 100.0, "confidence_source": "cna", "scores": [{"score": 100.0, "source": "cna"}]}, "original": {"product": "UBR-01 Mk II", "source": "cna", "vendor": "MBS"}, "product": "ubr-01_mk_ii", "vendor": "mbs"}, {"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[0.0.0,6.0.1.0)"}}], "enrichment": {"confidence": 100.0, "confidence_source": "cna", "scores": [{"score": 100.0, "source": "cna"}]}, "original": {"product": "UBR-02", "source": "cna", "vendor": "MBS"}, "product": "ubr-02", "vendor": "mbs"}, {"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[0.0.0,6.0.1.0)"}}], "enrichment": {"confidence": 100.0, "confidence_source": "cna", "scores": [{"score": 100.0, "source": "cna"}]}, "original": {"product": "UBR-LON", "source": "cna", "vendor": "MBS"}, "product": "ubr-lon", "vendor": "mbs"}], "created": "2026-03-10T14:10:10.251231+00:00", "updated": "2026-03-10T14:10:10.251426+00:00", "vendors": ["mbs", "mbs$PRODUCT$ubr-01_mk_ii", "mbs$PRODUCT$ubr-02", "mbs$PRODUCT$ubr-lon"]}