CVE-2026-2035

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{"affected": [{"affectedData": [{"defaultStatus": "unknown", "product": "OPNsense", "vendor": "Deciso", "versions": [{"status": "affected", "version": "25.7"}]}], "source": "zdi-disclosures@trendmicro.com"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "Deciso OPNsense diag_backup.php filename Command Injection Remote Code Execution Vulnerability. This vulnerability allows network-adjacent attackers to execute arbitrary code on affected installations of Deciso OPNsense. Authentication is required to exploit this vulnerability.\n\nThe specific flaw exists within the handling of backup configuration files. The issue results from the lack of proper validation of a user-supplied string before using it to execute a system call. An attacker can leverage this vulnerability to execute code in the context of root. Was ZDI-CAN-28131."}, {"lang": "es", "value": "Vulnerabilidad de inyecci\u00f3n de comandos y ejecuci\u00f3n remota de c\u00f3digo en el nombre de archivo diag_backup.php de Deciso OPNsense. Esta vulnerabilidad permite a atacantes adyacentes a la red ejecutar c\u00f3digo arbitrario en instalaciones afectadas de Deciso OPNsense. Se requiere autenticaci\u00f3n para explotar esta vulnerabilidad.\n\nLa falla espec\u00edfica reside en el manejo de los archivos de configuraci\u00f3n de respaldo. El problema se debe a la falta de validaci\u00f3n adecuada de una cadena proporcionada por el usuario antes de usarla para ejecutar una llamada al sistema. Un atacante puede aprovechar esta vulnerabilidad para ejecutar c\u00f3digo en el contexto de root. Fue ZDI-CAN-28131."}], "id": "CVE-2026-2035", "lastModified": "2026-06-17T10:30:10.523", "metrics": {"cvssMetricV30": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "ADJACENT_NETWORK", "availabilityImpact": "HIGH", "baseScore": 6.8, "baseSeverity": "MEDIUM", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "HIGH", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.0/AV:A/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H", "version": "3.0"}, "exploitabilityScore": 0.9, "impactScore": 5.9, "source": "zdi-disclosures@trendmicro.com", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-2035", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "total"}], "role": "CISA Coordinator", "timestamp": "2026-02-24T14:58:33.212034Z", "version": "2.0.3"}}]}, "published": "2026-02-20T23:16:03.370", "references": [{"source": "zdi-disclosures@trendmicro.com", "url": "https://github.com/opnsense/core/commit/cb15c935137d05c86a1e6cf12af877e9c32a23af"}, {"source": "zdi-disclosures@trendmicro.com", "url": "https://www.zerodayinitiative.com/advisories/ZDI-26-078/"}], "sourceIdentifier": "zdi-disclosures@trendmicro.com", "vulnStatus": "Deferred", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-78"}], "source": "zdi-disclosures@trendmicro.com", "type": "Secondary"}]}

{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "25.7"}}], "enrichment": {"confidence": 100.0, "confidence_source": "cna", "scores": [{"score": 100.0, "source": "cna"}]}, "original": {"product": "OPNsense", "source": "cna", "vendor": "Deciso"}, "product": "opnsense", "vendor": "deciso"}], "created": "2026-02-23T14:34:55.443195+00:00", "updated": "2026-06-18T04:45:15.700475+00:00", "vendors": ["deciso", "deciso$PRODUCT$opnsense"]}