{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-111548", "assignerOrgId": "2e0a0ee2-d866-482a-9f5e-ac03d156dbaa", "state": "PUBLISHED", "assignerShortName": "Moxa", "dateReserved": "2026-10-16T10:17:20.506Z", "datePublished": "2026-10-27T10:17:26.193Z", "dateUpdated": "2026-10-27T10:17:26.193Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "2e0a0ee2-d866-482a-9f5e-ac03d156dbaa", "shortName": "Moxa", "dateUpdated": "2026-10-27T10:17:26.193Z"}, "problemTypes": [{"descriptions": [{"lang": "en", "cweId": "CWE-121", "description": "CWE-121: Stack-based Buffer Overflow", "type": "CWE"}]}], "impacts": [{"capecId": "CAPEC-100", "descriptions": [{"lang": "en", "value": "CAPEC-100: Overflow Buffers"}]}], "affected": [{"vendor": "Moxa", "product": "NPort W2150A-W4/W2250A-W4 Series", "versions": [{"status": "affected", "version": "1.0", "lessThanOrEqual": "1.5", "versionType": "custom"}], "defaultStatus": "unaffected"}], "cpeApplicability": [{"operator": "OR", "nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:a:moxa:nport_w2150a-w4_w2250a-w4_series:*:*:*:*:*:*:*:*", "versionStartIncluding": "1.0", "versionEndIncluding": "1.5"}]}]}], "descriptions": [{"lang": "en", "value": "A stack-based buffer overflow vulnerability\u00a0exists in the web management interface of affected Moxa wireless device servers. An authenticated remote attacker with low privileges could exploit insufficient bounds checking of user-supplied input, causing the web management service to become unresponsive. Restoring the service requires power cycling the affected device, while other device functions remain operational.", "supportingMedia": [{"type": "text/html", "base64": false, "value": "A stack-based buffer overflow vulnerability exists in the web management interface of affected Moxa wireless device servers. An authenticated remote attacker with low privileges could exploit insufficient bounds checking of user-supplied input, causing the web management service to become unresponsive. Restoring the service requires power cycling the affected device, while other device functions remain operational."}]}], "references": [{"url": "https://www.moxa.com/en/support/product-support/security-advisory/mpsa-261250-cve-2026-111548-stack-buffer-overflow-vulnerability-in-wireless-device-servers", "tags": ["vendor-advisory"]}], "metrics": [{"format": "CVSS", "scenarios": [{"lang": "en", "value": "GENERAL"}], "cvssV4_0": {"attackVector": "NETWORK", "attackComplexity": "LOW", "attackRequirements": "NONE", "privilegesRequired": "LOW", "userInteraction": "NONE", "vulnConfidentialityImpact": "NONE", "subConfidentialityImpact": "NONE", "vulnIntegrityImpact": "NONE", "subIntegrityImpact": "NONE", "vulnAvailabilityImpact": "LOW", "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": "MEDIUM", "baseScore": 5.3, "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N"}}], "solutions": [{"lang": "en", "value": "Please refer to Moxa's security advisory:\u00a0https://www.moxa.com/en/support/product-support/security-advisory/mpsa-261250-cve-2026-111548-stack-buffer-overflow-vulnerability-in-wireless-device-servers", "supportingMedia": [{"type": "text/html", "base64": false, "value": "Please refer to Moxa's security advisory: https://www.moxa.com/en/support/product-support/security-advisory/mpsa-261250-cve-2026-111548-stack-buffer-overflow-vulnerability-in-wireless-device-servers "}]}], "source": {"discovery": "EXTERNAL"}, "x_generator": {"engine": "Vulnogram 1.0.5"}}}}

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{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "product": "NPort W2150A-W4/W2250A-W4 Series", "vendor": "Moxa", "versions": [{"lessThanOrEqual": "1.5", "status": "affected", "version": "1.0", "versionType": "custom"}]}], "source": "psirt@moxa.com"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "A stack-based buffer overflow vulnerability\u00a0exists in the web management interface of affected Moxa wireless device servers. An authenticated remote attacker with low privileges could exploit insufficient bounds checking of user-supplied input, causing the web management service to become unresponsive. Restoring the service requires power cycling the affected device, while other device functions remain operational."}], "id": "CVE-2026-111548", "lastModified": "2026-10-27T11:17:27.313", "metrics": {"cvssMetricV40": [{"cvssData": {"Automatable": "NOT_DEFINED", "Recovery": "NOT_DEFINED", "Safety": "NOT_DEFINED", "attackComplexity": "LOW", "attackRequirements": "NONE", "attackVector": "NETWORK", "availabilityRequirement": "NOT_DEFINED", "baseScore": 5.3, "baseSeverity": "MEDIUM", "confidentialityRequirement": "NOT_DEFINED", "exploitMaturity": "NOT_DEFINED", "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:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:X/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": "NONE", "vulnIntegrityImpact": "NONE", "vulnerabilityResponseEffort": "NOT_DEFINED"}, "source": "psirt@moxa.com", "type": "Secondary"}]}, "published": "2026-10-27T11:17:27.313", "references": [{"source": "psirt@moxa.com", "url": "https://www.moxa.com/en/support/product-support/security-advisory/mpsa-261250-cve-2026-111548-stack-buffer-overflow-vulnerability-in-wireless-device-servers"}], "sourceIdentifier": "psirt@moxa.com", "vulnStatus": "Received", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-121"}], "source": "psirt@moxa.com", "type": "Secondary"}]}

{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "[1.0,1.5]"}}], "enrichment": {"confidence": 95.0, "confidence_source": "inferred", "scores": [{"score": 95.0, "source": "inferred"}, {"score": 100.0, "source": "matching"}]}, "original": {"product": "NPort W2150A-W4/W2250A-W4 Series", "source": "cna", "vendor": "Moxa"}, "product": "nport_w2150a-w4_w2250a-w4_series", "vendor": "moxa"}], "created": "2026-10-27T11:30:13.751826+00:00", "title": "Stack Buffer Overflow in Moxa Wireless Device Server Web Interface", "updated": "2026-10-27T11:45:13.810078+00:00", "vendors": ["moxa", "moxa$PRODUCT$nport_w2150a-w4_w2250a-w4_series"]}