{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-18186", "assignerOrgId": "f35eaae9-79f2-4d0d-a5c7-7bea6ed6be77", "state": "PUBLISHED", "assignerShortName": "ASUSTOR1", "dateReserved": "2026-07-29T01:38:48.878Z", "datePublished": "2026-07-30T02:44:33.625Z", "dateUpdated": "2026-07-30T02:47:31.678Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "f35eaae9-79f2-4d0d-a5c7-7bea6ed6be77", "shortName": "ASUSTOR1", "dateUpdated": "2026-07-30T02:47:31.678Z"}, "title": "A stored format string vulnerability was found in the FTP Backup on the ADM", "datePublic": "2026-07-30T02:43:00.000Z", "problemTypes": [{"descriptions": [{"lang": "en", "cweId": "CWE-134", "description": "CWE-134 Use of Externally-Controlled format string", "type": "CWE"}]}], "impacts": [{"capecId": "CAPEC-135", "descriptions": [{"lang": "en", "value": "CAPEC-135 Format String Injection"}]}], "affected": [{"vendor": "ASUSTOR Inc.", "product": "ADM", "packageName": "FTP Backup", "versions": [{"status": "affected", "version": "5.0.0", "lessThanOrEqual": "5.1.3.RI81", "versionType": "custom"}, {"status": "affected", "version": "4.1.0", "lessThanOrEqual": "4.3.3.RUN1", "versionType": "custom"}], "defaultStatus": "unaffected"}], "descriptions": [{"lang": "en", "value": "A stored format string vulnerability was found in the FTP Backup on the ADM. The vulnerability occurs because user-controlled backup configuration data may be written into a task log and later processed through an unsafe format string operation. An authenticated attacker can exploit this issue to disclose memory information or cause denial of service of the affected CGI process.\nAffected products and versions include: from ADM 4.1.0 through ADM 4.3.3.RUN1 as well as from ADM 5.0.0 through ADM 5.1.3.RI81.", "supportingMedia": [{"type": "text/html", "base64": false, "value": "A stored format string vulnerability was found in the FTP Backup on the ADM. The vulnerability occurs because user-controlled backup configuration data may be written into a task log and later processed through an unsafe format string operation. An authenticated attacker can exploit this issue to disclose memory information or cause denial of service of the affected CGI process.<br>Affected products and versions include: from ADM 4.1.0 through ADM 4.3.3.RUN1 as well as from ADM 5.0.0 through ADM 5.1.3.RI81."}]}], "references": [{"url": "https://www.asustor.com/security/security_advisory_detail?id=67", "tags": ["vendor-advisory"]}], "metrics": [{"format": "CVSS", "scenarios": [{"lang": "en", "value": "GENERAL"}], "cvssV4_0": {"attackVector": "NETWORK", "attackComplexity": "LOW", "attackRequirements": "NONE", "privilegesRequired": "LOW", "userInteraction": "NONE", "vulnConfidentialityImpact": "LOW", "subConfidentialityImpact": "NONE", "vulnIntegrityImpact": "NONE", "subIntegrityImpact": "NONE", "vulnAvailabilityImpact": "HIGH", "subAvailabilityImpact": "NONE", "exploitMaturity": "NOT_DEFINED", "Safety": "NOT_DEFINED", "Automatable": "NOT_DEFINED", "Recovery": "NOT_DEFINED", "valueDensity": "NOT_DEFINED", "vulnerabilityResponseEffort": "NOT_DEFINED", "providerUrgency": "NOT_DEFINED", "version": "4.0", "baseSeverity": "HIGH", "baseScore": 7.1, "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:H/SC:N/SI:N/SA:N"}}], "credits": [{"lang": "en", "value": "Jincheng Wang (@winmt) from Nanjing University of Posts and Telecommunications", "type": "finder"}], "source": {"discovery": "UNKNOWN"}, "x_generator": {"engine": "Vulnogram 1.0.4"}}}}

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