FKIE_CVE-2025-41767
Vulnerability from fkie_nvd - Published: 2026-03-09 09:16 - Updated: 2026-06-17 09:23
Severity
Summary
A high-privileged remote attacker can fully compromise the device by abusing an update signature bypass vulnerability in the wwwupdate.cgi method in the web interface of UBR.
References
| URL | Tags | ||
|---|---|---|---|
| info@cert.vde.com | https://www.mbs-solutions.de/mbs-2025-0001 | Vendor Advisory |
Impacted products
| Vendor | Product | Version | |
|---|---|---|---|
| mbs-solutions | universal_bacnet_router_firmware | * | |
| mbs-solutions | ubr-01_mk_ii | - | |
| mbs-solutions | ubr-02 | - | |
| mbs-solutions | ubr-lon | - |
{
"affected": [
{
"affectedData": [
{
"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"
}
]
}
],
"source": "info@cert.vde.com"
}
],
"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 high-privileged remote attacker can fully compromise the device by abusing an update signature bypass vulnerability in the wwwupdate.cgi method in the web interface of UBR."
},
{
"lang": "es",
"value": "Un atacante remoto con altos privilegios puede comprometer completamente el dispositivo abusando de una vulnerabilidad de omisi\u00f3n de firma de actualizaci\u00f3n en el m\u00e9todo wwwupdate.cgi en la interfaz web de UBR."
}
],
"id": "CVE-2025-41767",
"lastModified": "2026-06-17T09:23:08.277",
"metrics": {
"cvssMetricV31": [
{
"cvssData": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "HIGH",
"baseScore": 7.2,
"baseSeverity": "HIGH",
"confidentialityImpact": "HIGH",
"integrityImpact": "HIGH",
"privilegesRequired": "HIGH",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H",
"version": "3.1"
},
"exploitabilityScore": 1.2,
"impactScore": 5.9,
"source": "info@cert.vde.com",
"type": "Secondary"
}
],
"ssvcV203": [
{
"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"ssvcData": {
"id": "CVE-2025-41767",
"options": [
{
"exploitation": "none"
},
{
"automatable": "no"
},
{
"technicalImpact": "total"
}
],
"role": "CISA Coordinator",
"timestamp": "2026-03-09T18:18:54.140033Z",
"version": "2.0.3"
}
}
]
},
"published": "2026-03-09T09:16:01.357",
"references": [
{
"source": "info@cert.vde.com",
"tags": [
"Vendor Advisory"
],
"url": "https://www.mbs-solutions.de/mbs-2025-0001"
}
],
"sourceIdentifier": "info@cert.vde.com",
"vulnStatus": "Analyzed",
"weaknesses": [
{
"description": [
{
"lang": "en",
"value": "CWE-347"
}
],
"source": "info@cert.vde.com",
"type": "Secondary"
}
]
}
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Experimental. This forecast is provided for visualization only and may change without notice. Do not use it for operational decisions.
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.
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The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the
vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base
model, served locally by ML-Gateway.
They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
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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.
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