{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-17518", "assignerOrgId": "54bf65a7-a193-42d2-b1ba-8e150d3c35e1", "state": "PUBLISHED", "assignerShortName": "ASUS", "dateReserved": "2026-07-27T08:03:22.659Z", "datePublished": "2026-10-20T02:00:16.884Z", "dateUpdated": "2026-10-20T02:00:16.884Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "54bf65a7-a193-42d2-b1ba-8e150d3c35e1", "shortName": "ASUS", "dateUpdated": "2026-10-20T02:00:16.884Z"}, "problemTypes": [{"descriptions": [{"lang": "en", "cweId": "CWE-121", "description": "CWE-121: Stack-based Buffer Overflow", "type": "CWE"}]}], "affected": [{"vendor": "ASUS", "product": "Router", "versions": [{"status": "affected", "version": "ASUSWRT 3.0.0.4_386 series", "versionType": "custom"}, {"status": "affected", "version": "ASUSWRT 3.0.0.4_388 series"}], "defaultStatus": "unaffected"}], "cpeApplicability": [{"operator": "OR", "nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:a:asus:router:asuswrt_3.0.0.4_386_series:*:*:*:*:*:*:*"}, {"vulnerable": true, "criteria": "cpe:2.3:a:asus:router:asuswrt_3.0.0.4_388_series:*:*:*:*:*:*:*"}]}]}], "descriptions": [{"lang": "en", "value": "Buffer Copy without Checking Size of Input in certain ASUS router models allows an adjacent authenticated user to corrupt device operations and cause a denial of service via an HTTP request with input exceeding the expected length.\nRefer to the ' Security Update for ASUS Router Firmware' section on the ASUS Security Advisory for more information.", "supportingMedia": [{"type": "text/html", "base64": false, "value": "Buffer Copy without Checking Size of Input in certain ASUS router models allows an adjacent authenticated user to corrupt device operations and cause a denial of service via an HTTP request with input exceeding the expected length.<br>Refer to the ' Security Update for ASUS Router Firmware' section on the ASUS Security Advisory for more information."}]}], "references": [{"url": "https://www.asus.com/security-advisory"}], "metrics": [{"format": "CVSS", "scenarios": [{"lang": "en", "value": "GENERAL"}], "cvssV4_0": {"attackVector": "ADJACENT", "attackComplexity": "LOW", "attackRequirements": "NONE", "privilegesRequired": "HIGH", "userInteraction": "NONE", "vulnConfidentialityImpact": "NONE", "subConfidentialityImpact": "NONE", "vulnIntegrityImpact": "HIGH", "subIntegrityImpact": "NONE", "vulnAvailabilityImpact": "HIGH", "subAvailabilityImpact": "HIGH", "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": 8.2, "vectorString": "CVSS:4.0/AV:A/AC:L/AT:N/PR:H/UI:N/VC:N/VI:H/VA:H/SC:N/SI:N/SA:H"}}], "source": {"discovery": "UNKNOWN"}, "x_generator": {"engine": "Vulnogram 1.0.4"}}}}

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{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "ASUSWRT 3.0.0.4_386 series"}}, {"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "ASUSWRT 3.0.0.4_388 series"}}], "enrichment": {"confidence": 95.0, "confidence_source": "inferred", "scores": [{"score": 95.0, "source": "inferred"}, {"score": 100.0, "source": "matching"}]}, "original": {"product": "Router", "source": "cna", "vendor": "ASUS"}, "product": "router", "vendor": "asus"}], "created": "2026-10-20T05:45:06.509577+00:00", "title": "Authenticated HTTP Buffer Overflow Causing Denial of Service in ASUS Routers", "updated": "2026-10-20T08:15:11.418720+00:00", "vendors": ["asus", "asus$PRODUCT$router"]}