CVE-2026-3797

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{"affected": [{"affectedData": [{"product": "Video Surveillance System \u89c6\u9891\u76d1\u63a7\u5e73\u53f0", "vendor": "Tiandy", "versions": [{"status": "affected", "version": "7.17.0"}]}], "source": "cna@vuldb.com"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:tiandy:video_surveillance_system_firmware:7.17.0:*:*:*:*:*:*:*", "matchCriteriaId": "4AD9BF06-B89D-45AB-9179-61F7BEC15195", "vulnerable": true}], "negate": false, "operator": "OR"}, {"cpeMatch": [{"criteria": "cpe:2.3:h:tiandy:video_surveillance_system:-:*:*:*:*:*:*:*", "matchCriteriaId": "0EE62AE8-145D-4149-A943-4465C22840F7", "vulnerable": false}], "negate": false, "operator": "OR"}], "operator": "AND"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "A security vulnerability has been detected in Tiandy Video Surveillance System \u89c6\u9891\u76d1\u63a7\u5e73\u53f0 7.17.0. The impacted element is the function uploadFile of the file /src/com/tiandy/easy7/core/rest/CLS_REST_File.java. The manipulation of the argument fileName leads to unrestricted upload. The attack may be initiated remotely. The exploit has been disclosed publicly and may be used. The vendor was contacted early about this disclosure but did not respond in any way."}, {"lang": "es", "value": "Se ha detectado una vulnerabilidad de seguridad en el Sistema de Videovigilancia Tiandy ?????? 7.17.0. El elemento afectado es la funci\u00f3n uploadFile del archivo /src/com/tiandy/easy7/core/rest/CLS_REST_File.java. La manipulaci\u00f3n del argumento fileName conduce a una carga sin restricciones. El ataque puede ser iniciado de forma remota. El exploit ha sido divulgado p\u00fablicamente y puede ser utilizado. Se contact\u00f3 al proveedor con antelaci\u00f3n sobre esta divulgaci\u00f3n, pero no respondi\u00f3 de ninguna manera."}], "id": "CVE-2026-3797", "lastModified": "2026-06-17T10:44:14.727", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "LOW", "accessVector": "NETWORK", "authentication": "SINGLE", "availabilityImpact": "PARTIAL", "baseScore": 6.5, "confidentialityImpact": "PARTIAL", "integrityImpact": "PARTIAL", "vectorString": "AV:N/AC:L/Au:S/C:P/I:P/A:P", "version": "2.0"}, "exploitabilityScore": 8.0, "impactScore": 6.4, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "cna@vuldb.com", "type": "Secondary", "userInteractionRequired": false}], "cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "LOW", "baseScore": 6.3, "baseSeverity": "MEDIUM", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L", "version": "3.1"}, "exploitabilityScore": 2.8, "impactScore": 3.4, "source": "cna@vuldb.com", "type": "Secondary"}, {"cvssData": {"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"}, "exploitabilityScore": 2.8, "impactScore": 5.9, "source": "nvd@nist.gov", "type": "Primary"}], "cvssMetricV40": [{"cvssData": {"Automatable": "NOT_DEFINED", "Recovery": "NOT_DEFINED", "Safety": "NOT_DEFINED", "attackComplexity": "LOW", "attackRequirements": "NONE", "attackVector": "NETWORK", "availabilityRequirement": "NOT_DEFINED", "baseScore": 2.1, "baseSeverity": "LOW", "confidentialityRequirement": "NOT_DEFINED", "exploitMaturity": "PROOF_OF_CONCEPT", "integrityRequirement": "NOT_DEFINED", "modifiedAttackComplexity": "NOT_DEFINED", "modifiedAttackRequirements": "NOT_DEFINED", "modifiedAttackVector": "NOT_DEFINED", "modifiedPrivilegesRequired": "NOT_DEFINED", "modifiedSubAvailabilityImpact": "NOT_DEFINED", "modifiedSubConfidentialityImpact": "NOT_DEFINED", "modifiedSubIntegrityImpact": "NOT_DEFINED", "modifiedUserInteraction": "NOT_DEFINED", "modifiedVulnAvailabilityImpact": "NOT_DEFINED", "modifiedVulnConfidentialityImpact": "NOT_DEFINED", "modifiedVulnIntegrityImpact": "NOT_DEFINED", "privilegesRequired": "LOW", "providerUrgency": "NOT_DEFINED", "subAvailabilityImpact": "NONE", "subConfidentialityImpact": "NONE", "subIntegrityImpact": "NONE", "userInteraction": "NONE", "valueDensity": "NOT_DEFINED", "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X", "version": "4.0", "vulnAvailabilityImpact": "LOW", "vulnConfidentialityImpact": "LOW", "vulnIntegrityImpact": "LOW", "vulnerabilityResponseEffort": "NOT_DEFINED"}, "source": "cna@vuldb.com", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-3797", "options": [{"exploitation": "poc"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2026-03-10T20:16:55.429449Z", "version": "2.0.3"}}]}, "published": "2026-03-09T04:16:00.843", "references": [{"source": "cna@vuldb.com", "tags": ["Permissions Required"], "url": "https://my.feishu.cn/docx/P3Bgdl9BHocn66xCMpCcgCD7nhe?from=from_copylink"}, {"source": "cna@vuldb.com", "tags": ["Permissions Required", "VDB Entry"], "url": "https://vuldb.com/?ctiid.349764"}, {"source": "cna@vuldb.com", "tags": ["Third Party Advisory", "VDB Entry"], "url": "https://vuldb.com/?id.349764"}, {"source": "cna@vuldb.com", "tags": ["Third Party Advisory", "VDB Entry"], "url": "https://vuldb.com/?submit.766386"}], "sourceIdentifier": "cna@vuldb.com", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-284"}, {"lang": "en", "value": "CWE-434"}], "source": "cna@vuldb.com", "type": "Secondary"}, {"description": [{"lang": "en", "value": "CWE-434"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "7.17.0"}}], "enrichment": {"confidence": 90.0, "confidence_source": "matching", "scores": [{"score": 90.0, "source": "matching"}]}, "original": {"product": "Video Surveillance System \u89c6\u9891\u76d1\u63a7\u5e73\u53f0", "source": "cna", "vendor": "Tiandy"}, "product": "video_surveillance_system", "vendor": "tiandy"}], "analysis": {"en": {"generated_at": "2026-04-16T10:24:36.731775+00:00", "value": {"mitigation_remediation": ["Apply an official vendor patch or firmware upgrade that restricts file uploads to authenticated users and validates file types before processing", "Configure the system to reject unknown or potentially hazardous file extensions, implementing strict MIME type checking", "Restrict network access to the REST upload endpoint using firewall rules or VPN, limiting connections to trusted IP ranges"], "summary": {"action": "Apply Vendor Patch", "impact": "Unrestricted Remote File Upload"}, "threat_synthesis": {"affected_systems": "Tiandy Video Surveillance System version 7.17.0 is affected. The vulnerability originates in the CLS_REST_File.java component. No other versions or firmware revisions are listed as impacted based on current CNA data.", "description_and_impact": "The vulnerability resides in the uploadFile function of Tiandy Video Surveillance System 7.17.0, where the fileName argument is not properly validated, allowing arbitrary files to be uploaded from outside the device without authentication. The attack relies solely on file upload; while the CVE does not confirm execution of the payload, the ability to place files on the device could enable further malicious actions if the system processes uploaded content. This weakness corresponds to CWE-284 and CWE-434.", "risk_and_exploitability": "With a CVSS score of 5.3 the risk is moderate, yet the EPSS score below 1% indicates a low probability of exploitation. The vulnerability is not listed in the CISA KEV catalog. The attack can be launched remotely from the network and does not require local privileges."}}}}, "created": "2026-03-10T14:10:30.157078+00:00", "updated": "2026-04-16T10:30:16.173475+00:00", "vendors": ["tiandy", "tiandy$PRODUCT$video_surveillance_system"]}