{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.2",
    "cveMetadata": {
        "cveId": "CVE-2026-86343",
        "assignerOrgId": "db201096-a0cc-46c7-9a55-61d9e221bf01",
        "state": "PUBLISHED",
        "assignerShortName": "synology",
        "dateReserved": "2026-09-07T09:06:22.254Z",
        "datePublished": "2026-11-12T03:34:37.799Z",
        "dateUpdated": "2026-11-12T03:34:37.799Z"
    },
    "containers": {
        "cna": {
            "affected": [
                {
                    "defaultStatus": "affected",
                    "product": "DiskStation Manager (DSM)",
                    "vendor": "Synology",
                    "versions": [
                        {
                            "lessThan": "7.4.1-90080-1",
                            "status": "affected",
                            "version": "7.4.1",
                            "versionType": "semver"
                        },
                        {
                            "lessThan": "7.3.2-86009-5",
                            "status": "affected",
                            "version": "7.3.2",
                            "versionType": "semver"
                        },
                        {
                            "lessThan": "7.3.2",
                            "status": "unknown",
                            "version": "0",
                            "versionType": "semver"
                        }
                    ]
                }
            ],
            "credits": [
                {
                    "lang": "en",
                    "type": "finder",
                    "value": "Jincheng Wang (@winmt) from Nanjing University of Posts and Telecommunications"
                }
            ],
            "descriptions": [
                {
                    "lang": "en",
                    "value": "An improper neutralization of CRLF sequences vulnerability in the SNMP API in Synology DiskStation Manager (DSM) before 7.3.2-86009-5 and 7.4.1-90080-1 allows remote authenticated users with administrator privileges to read or write arbitrary files and conduct denial-of-service attacks."
                }
            ],
            "metrics": [
                {
                    "cvssV3_1": {
                        "attackComplexity": "LOW",
                        "attackVector": "ADJACENT_NETWORK",
                        "availabilityImpact": "HIGH",
                        "baseScore": 6.8,
                        "baseSeverity": "MEDIUM",
                        "confidentialityImpact": "HIGH",
                        "integrityImpact": "HIGH",
                        "privilegesRequired": "HIGH",
                        "scope": "UNCHANGED",
                        "userInteraction": "NONE",
                        "vectorString": "CVSS:3.1/AV:A/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H",
                        "version": "3.1"
                    },
                    "format": "CVSS",
                    "scenarios": [
                        {
                            "lang": "en",
                            "value": "GENERAL"
                        }
                    ]
                }
            ],
            "problemTypes": [
                {
                    "descriptions": [
                        {
                            "cweId": "CWE-93",
                            "description": "Improper Neutralization of CRLF Sequences",
                            "lang": "en",
                            "type": "CWE"
                        }
                    ]
                }
            ],
            "references": [
                {
                    "name": "Synology-SA-26:18 DSM",
                    "url": "https://www.synology.com/en-global/security/advisory/Synology_SA_26_18"
                }
            ],
            "providerMetadata": {
                "orgId": "db201096-a0cc-46c7-9a55-61d9e221bf01",
                "shortName": "synology",
                "dateUpdated": "2026-11-12T03:34:37.799Z"
            }
        }
    }
}