CVE-2025-41720 - Vulnerability Details - OpenCVE

A low privileged remote attacker can upload arbitrary data masked as a png file to the affected device using the webserver API because only the file extension is verified.

No CVSS v4.0

Attack Vector Network

Attack Complexity Low

Privileges Required Low

Scope Unchanged

Confidentiality Impact None

Integrity Impact Low

Availability Impact None

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

The EPSS score is 0.0002.

Exploitation none

Automatable no

Technical Impact partial

Vendors	Products
Sauter	Ey-modulo 5 Devices Modulo 6 Devices

No data.

No data.

OpenCVE Enrichment is a feature of OpenCVE that uses AI to automatically link vendors and products to CVEs. Learn more on GitHub.

Vendors	Products
Sauter	Ey-modulo 5 Devices Modulo 6 Devices

Advisories

No advisories yet.

Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

References

Link	Providers
https://sauter.csaf-tp.certvde.com/.well-known/csaf/white/2025/vde-2025-060.json

History

Thu, 23 Oct 2025 10:30:00 +0000

Type	Values Removed	Values Added
First Time appeared		Sauter Sauter ey-modulo 5 Devices Sauter modulo 6 Devices
Vendors & Products		Sauter Sauter ey-modulo 5 Devices Sauter modulo 6 Devices

Wed, 22 Oct 2025 16:15:00 +0000

Type	Values Removed	Values Added
Metrics		ssvc `{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}`

Wed, 22 Oct 2025 07:00:00 +0000

Type	Values Removed	Values Added
Description		A low privileged remote attacker can upload arbitrary data masked as a png file to the affected device using the webserver API because only the file extension is verified.
Title		Sauter: Arbitrary File Upload
Weaknesses		CWE-646
References		https://sauter.csaf-tp.certvde.com/.well-known/csaf/white/2025/vde-2025-060.json
Metrics		cvssV3_1 `{'score': 4.3, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N'}`

MITRE

Status: PUBLISHED

Assigner: CERTVDE

Published: 2025-10-22T06:52:03.019Z

Updated: 2025-10-22T15:48:07.323Z

Reserved: 2025-04-16T11:17:48.313Z

Link: CVE-2025-41720

Vulnrichment

Updated: 2025-10-22T15:48:02.877Z

NVD

Status : Awaiting Analysis

Published: 2025-10-22T07:15:33.317

Modified: 2025-10-22T21:12:48.953

Link: CVE-2025-41720

Redhat

No data.

OpenCVE Enrichment

Updated: 2025-10-23T10:08:03Z

{"dataType": "CVE_RECORD", "dataVersion": "5.1", "cveMetadata": {"cveId": "CVE-2025-41720", "assignerOrgId": "270ccfa6-a436-4e77-922e-914ec3a9685c", "state": "PUBLISHED", "assignerShortName": "CERTVDE", "dateReserved": "2025-04-16T11:17:48.313Z", "datePublished": "2025-10-22T06:52:03.019Z", "dateUpdated": "2025-10-22T15:48:07.323Z"}, "containers": {"cna": {"affected": [{"defaultStatus": "unaffected", "product": "modulo 6 devices modu680-AS", "vendor": "Sauter", "versions": [{"lessThan": "Firmware v3.2.0", "status": "affected", "version": "0.0.0", "versionType": "semver"}]}, {"defaultStatus": "unaffected", "product": "modulo 6 devices modu660-AS", "vendor": "Sauter", "versions": [{"lessThan": "Firmware v3.2.0", "status": "affected", "version": "0.0.0", "versionType": "semver"}]}, {"defaultStatus": "unaffected", "product": "modulo 6 devices modu612-LC", "vendor": "Sauter", "versions": [{"lessThan": "Firmware v3.2.0", "status": "affected", "version": "0.0.0", "versionType": "semver"}]}, {"defaultStatus": "unaffected", "product": "EY-modulo 5 modu 5 modu524", "vendor": "Sauter", "versions": [{"lessThan": "Firmware v6.0", "status": "affected", "version": "0.0", "versionType": "semver"}]}, {"defaultStatus": "unaffected", "product": "EY-modulo 5 modu 5 modu525", "vendor": "Sauter", "versions": [{"lessThan": "Firmware v6.0", "status": "affected", "version": "0.0", "versionType": "semver"}]}, {"defaultStatus": "unaffected", "product": "EY-modulo 5 ecos 5 ecos504/505", "vendor": "Sauter", "versions": [{"lessThan": "Firmware v6.0", "status": "affected", "version": "0.0", "versionType": "semver"}]}], "credits": [{"lang": "en", "type": "finder", "user": "00000000-0000-4000-9000-000000000000", "value": "Damian Pfammatter, Daniel Hulliger from Cyber-Defence Campus armasuisse"}], "descriptions": [{"lang": "en", "supportingMedia": [{"base64": false, "type": "text/html", "value": "A low privileged remote attacker can upload arbitrary data masked as a png file to the affected device using the webserver API because only the file extension is verified."}], "value": "A low privileged remote attacker can upload arbitrary data masked as a png file to the affected device using the webserver API because only the file extension is verified."}], "metrics": [{"cvssV3_1": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 4.3, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "LOW", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N", "version": "3.1"}, "format": "CVSS", "scenarios": [{"lang": "en", "value": "GENERAL"}]}], "problemTypes": [{"descriptions": [{"cweId": "CWE-646", "description": "CWE-646:Reliance on File Name or Extension of Externally-Supplied File", "lang": "en", "type": "CWE"}]}], "providerMetadata": {"orgId": "270ccfa6-a436-4e77-922e-914ec3a9685c", "shortName": "CERTVDE", "dateUpdated": "2025-10-22T06:52:03.019Z"}, "references": [{"url": "https://sauter.csaf-tp.certvde.com/.well-known/csaf/white/2025/vde-2025-060.json"}], "source": {"advisory": "VDE-2025-060", "defect": ["CERT@VDE#641818"], "discovery": "UNKNOWN"}, "title": "Sauter: Arbitrary File Upload", "x_generator": {"engine": "Vulnogram 0.1.0-dev"}}, "adp": [{"metrics": [{"other": {"type": "ssvc", "content": {"timestamp": "2025-10-22T15:47:55.751768Z", "id": "CVE-2025-41720", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "role": "CISA Coordinator", "version": "2.0.3"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2025-10-22T15:48:07.323Z"}}]}}

{"dataType": "CVE_RECORD", "containers": {"adp": [{"title": "CISA ADP Vulnrichment", "metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2025-41720", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "version": "2.0.3", "timestamp": "2025-10-22T15:47:55.751768Z"}}}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2025-10-22T15:48:02.877Z"}}], "cna": {"title": "Sauter: Arbitrary File Upload", "source": {"defect": ["CERT@VDE#641818"], "advisory": "VDE-2025-060", "discovery": "UNKNOWN"}, "credits": [{"lang": "en", "type": "finder", "user": "00000000-0000-4000-9000-000000000000", "value": "Damian Pfammatter, Daniel Hulliger from Cyber-Defence Campus armasuisse"}], "metrics": [{"format": "CVSS", "cvssV3_1": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 4.3, "attackVector": "NETWORK", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N", "integrityImpact": "LOW", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "NONE", "privilegesRequired": "LOW", "confidentialityImpact": "NONE"}, "scenarios": [{"lang": "en", "value": "GENERAL"}]}], "affected": [{"vendor": "Sauter", "product": "modulo 6 devices modu680-AS", "versions": [{"status": "affected", "version": "0.0.0", "lessThan": "Firmware v3.2.0", "versionType": "semver"}], "defaultStatus": "unaffected"}, {"vendor": "Sauter", "product": "modulo 6 devices modu660-AS", "versions": [{"status": "affected", "version": "0.0.0", "lessThan": "Firmware v3.2.0", "versionType": "semver"}], "defaultStatus": "unaffected"}, {"vendor": "Sauter", "product": "modulo 6 devices modu612-LC", "versions": [{"status": "affected", "version": "0.0.0", "lessThan": "Firmware v3.2.0", "versionType": "semver"}], "defaultStatus": "unaffected"}, {"vendor": "Sauter", "product": "EY-modulo 5 modu 5 modu524", "versions": [{"status": "affected", "version": "0.0", "lessThan": "Firmware v6.0", "versionType": "semver"}], "defaultStatus": "unaffected"}, {"vendor": "Sauter", "product": "EY-modulo 5 modu 5 modu525", "versions": [{"status": "affected", "version": "0.0", "lessThan": "Firmware v6.0", "versionType": "semver"}], "defaultStatus": "unaffected"}, {"vendor": "Sauter", "product": "EY-modulo 5 ecos 5 ecos504/505", "versions": [{"status": "affected", "version": "0.0", "lessThan": "Firmware v6.0", "versionType": "semver"}], "defaultStatus": "unaffected"}], "references": [{"url": "https://sauter.csaf-tp.certvde.com/.well-known/csaf/white/2025/vde-2025-060.json"}], "x_generator": {"engine": "Vulnogram 0.1.0-dev"}, "descriptions": [{"lang": "en", "value": "A low privileged remote attacker can upload arbitrary data masked as a png file to the affected device using the webserver API because only the file extension is verified.", "supportingMedia": [{"type": "text/html", "value": "A low privileged remote attacker can upload arbitrary data masked as a png file to the affected device using the webserver API because only the file extension is verified.", "base64": false}]}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "CWE", "cweId": "CWE-646", "description": "CWE-646:Reliance on File Name or Extension of Externally-Supplied File"}]}], "providerMetadata": {"orgId": "270ccfa6-a436-4e77-922e-914ec3a9685c", "shortName": "CERTVDE", "dateUpdated": "2025-10-22T06:52:03.019Z"}}}, "cveMetadata": {"cveId": "CVE-2025-41720", "state": "PUBLISHED", "dateUpdated": "2025-10-22T15:48:07.323Z", "dateReserved": "2025-04-16T11:17:48.313Z", "assignerOrgId": "270ccfa6-a436-4e77-922e-914ec3a9685c", "datePublished": "2025-10-22T06:52:03.019Z", "assignerShortName": "CERTVDE"}, "dataVersion": "5.1"}