CVE-2026-31267

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{"affected": [{"affectedData": [{"product": "n/a", "vendor": "n/a", "versions": [{"status": "affected", "version": "n/a"}]}], "source": "cve@mitre.org"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "Mercusys MW302R MW302R(EU)_V1_1.4.10 Build 231023 is vulnerable to Buffer Overflow in the administrative web interface. A stack buffer overflow vulnerability in the administrative web interface allows an authenticated attacker with administrative privileges to trigger a system crash by sending a specially crafted request. The vulnerability results in denial of service through control flow manipulation to an arbitrary instruction address."}, {"lang": "es", "value": "Mercusys MW302R MW302R(EU)_V1_1.4.10 Build 231023 es vulnerable a desbordamiento de b\u00fafer en la interfaz web administrativa. Una vulnerabilidad de desbordamiento de b\u00fafer de pila en la interfaz web administrativa permite a un atacante autenticado con privilegios administrativos provocar un fallo del sistema enviando una solicitud especialmente dise\u00f1ada. La vulnerabilidad resulta en denegaci\u00f3n de servicio mediante manipulaci\u00f3n del flujo de control a una direcci\u00f3n de instrucci\u00f3n arbitraria."}], "id": "CVE-2026-31267", "lastModified": "2026-10-25T17:10:00.197", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "ADJACENT_NETWORK", "availabilityImpact": "HIGH", "baseScore": 5.7, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 2.1, "impactScore": 3.6, "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-31267", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2026-07-10T15:30:57.994864Z", "version": "2.0.3"}}]}, "published": "2026-07-09T21:16:54.667", "references": [{"source": "cve@mitre.org", "url": "https://barry-dev.xyz/about"}, {"source": "cve@mitre.org", "url": "https://gist.github.com/BarrYPL/13dcd071673866cbbfaaa05085b98cf3"}], "sourceIdentifier": "cve@mitre.org", "vulnStatus": "Deferred", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-121"}], "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary"}]}

{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "V1_1.4.10"}}], "enrichment": {"confidence": 80.0, "confidence_source": "inferred", "scores": [{"score": 80.0, "source": "inferred"}]}, "product": "mw302r", "vendor": "mercusys"}], "created": "2026-07-10T09:56:36.155010+00:00", "title": "Buffer Overflow in Mercusys MW302R Administrative Web Interface", "updated": "2026-08-01T15:15:06.791512+00:00", "vendors": ["mercusys", "mercusys$PRODUCT$mw302r"]}