CVE-2026-0918

{"id": "CVE-2026-0918", "cveTags": [], "metrics": {"cvssMetricV31": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 7.5, "attackVector": "NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "NONE"}, "impactScore": 3.6, "exploitabilityScore": 3.9}], "cvssMetricV40": [{"type": "Secondary", "source": "f23511db-6c3e-4e32-a477-6aa17d310630", "cvssData": {"Safety": "NOT_DEFINED", "version": "4.0", "Recovery": "NOT_DEFINED", "baseScore": 7.1, "Automatable": "NOT_DEFINED", "attackVector": "ADJACENT", "baseSeverity": "HIGH", "valueDensity": "NOT_DEFINED", "vectorString": "CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/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", "exploitMaturity": "NOT_DEFINED", "providerUrgency": "NOT_DEFINED", "userInteraction": "NONE", "attackComplexity": "LOW", "attackRequirements": "NONE", "privilegesRequired": "NONE", "subIntegrityImpact": "NONE", "vulnIntegrityImpact": "NONE", "integrityRequirement": "NOT_DEFINED", "modifiedAttackVector": "NOT_DEFINED", "subAvailabilityImpact": "NONE", "vulnAvailabilityImpact": "HIGH", "availabilityRequirement": "NOT_DEFINED", "modifiedUserInteraction": "NOT_DEFINED", "modifiedAttackComplexity": "NOT_DEFINED", "subConfidentialityImpact": "NONE", "vulnConfidentialityImpact": "NONE", "confidentialityRequirement": "NOT_DEFINED", "modifiedAttackRequirements": "NOT_DEFINED", "modifiedPrivilegesRequired": "NOT_DEFINED", "modifiedSubIntegrityImpact": "NOT_DEFINED", "modifiedVulnIntegrityImpact": "NOT_DEFINED", "vulnerabilityResponseEffort": "NOT_DEFINED", "modifiedSubAvailabilityImpact": "NOT_DEFINED", "modifiedVulnAvailabilityImpact": "NOT_DEFINED", "modifiedSubConfidentialityImpact": "NOT_DEFINED", "modifiedVulnConfidentialityImpact": "NOT_DEFINED"}}]}, "published": "2026-01-27T18:15:54.973", "references": [{"url": "https://www.crac-learning.com/post/smart-home-security-research-cve-2026-0918-assigned", "source": "f23511db-6c3e-4e32-a477-6aa17d310630"}, {"url": "https://www.tp-link.com/en/support/download/tapo-c220/v1/", "tags": ["Product"], "source": "f23511db-6c3e-4e32-a477-6aa17d310630"}, {"url": "https://www.tp-link.com/en/support/download/tapo-c520ws/v2/", "tags": ["Product"], "source": "f23511db-6c3e-4e32-a477-6aa17d310630"}, {"url": "https://www.tp-link.com/us/support/download/tapo-c100/v5/", "tags": ["Product"], "source": "f23511db-6c3e-4e32-a477-6aa17d310630"}, {"url": "https://www.tp-link.com/us/support/download/tapo-c220/v1.60/", "tags": ["Product"], "source": "f23511db-6c3e-4e32-a477-6aa17d310630"}, {"url": "https://www.tp-link.com/us/support/download/tapo-c520ws/v2/", "tags": ["Product"], "source": "f23511db-6c3e-4e32-a477-6aa17d310630"}, {"url": "https://www.tp-link.com/us/support/faq/4923/", "tags": ["Vendor Advisory"], "source": "f23511db-6c3e-4e32-a477-6aa17d310630"}], "vulnStatus": "Modified", "weaknesses": [{"type": "Secondary", "source": "f23511db-6c3e-4e32-a477-6aa17d310630", "description": [{"lang": "en", "value": "CWE-476"}]}], "descriptions": [{"lang": "en", "value": "The Tapo C220 v1 and C520WS v2 cameras\u2019 HTTP service does not safely handle POST requests containing an excessively large Content-Length header. The resulting failed memory allocation triggers a NULL pointer dereference, causing the main service process to crash.\u00a0An unauthenticated attacker can repeatedly crash the service, causing temporary denial of service. The device restarts automatically, and repeated requests can keep it unavailable."}, {"lang": "es", "value": "El servicio HTTP de las c\u00e1maras Tapo C220 v1 y C520WS v2 no maneja de forma segura las solicitudes POST que contienen una cabecera Content-Length excesivamente grande. La asignaci\u00f3n de memoria fallida resultante desencadena una desreferenciaci\u00f3n de puntero NULL, provocando la ca\u00edda del proceso del servicio principal. Un atacante no autenticado puede provocar la ca\u00edda repetida del servicio, causando una denegaci\u00f3n de servicio temporal. El dispositivo se reinicia autom\u00e1ticamente, y las solicitudes repetidas pueden mantenerlo no disponible."}], "lastModified": "2026-03-16T18:16:06.617", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:tp-link:tapo_c220_firmware:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "F337B275-4344-4B21-9C3F-5E01F56C8015", "versionEndExcluding": "1.4.2"}], "operator": "OR"}, {"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:h:tp-link:tapo_c220:1:*:*:*:*:*:*:*", "vulnerable": false, "matchCriteriaId": "671BCAEE-4AA0-4924-88E2-3B3C9087D171"}], "operator": "OR"}], "operator": "AND"}, {"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:tp-link:tapo_c520ws_firmware:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "65DE4797-2C90-4C4A-BCA1-41F514F8153D", "versionEndExcluding": "1.2.3"}], "operator": "OR"}, {"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:h:tp-link:tapo_c520ws:2:*:*:*:*:*:*:*", "vulnerable": false, "matchCriteriaId": "D8E6B561-8739-4823-9226-82FE5084EE01"}], "operator": "OR"}], "operator": "AND"}], "sourceIdentifier": "f23511db-6c3e-4e32-a477-6aa17d310630"}