CVE-2026-51602

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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": "A stack-based buffer overflow vulnerability in the RTSP service of Tenda CP3 V3.0 (firmware V31.1.9.91) allows an unauthenticated remote attacker to cause a denial of service via a crafted SETUP request. The RTSP service's second-stage URL routing parser fails to validate the length of the URL field in the first SETUP request. By supplying a URL consisting of exactly four consecutive repetitions of a valid RTSP URL, an attacker can bypass first-stage format validation and trigger a stack buffer overflow, causing an immediate crash of the RTSP service process and rendering the device inaccessible to all clients on the local network."}, {"lang": "es", "value": "Una vulnerabilidad de desbordamiento de b\u00fafer basado en pila en el servicio RTSP de Tenda CP3 V3.0 (firmware V31.1.9.91) permite a un atacante remoto no autenticado causar una denegaci\u00f3n de servicio a trav\u00e9s de una solicitud SETUP manipulada. El analizador de enrutamiento de URL de segunda etapa del servicio RTSP no valida la longitud del campo URL en la primera solicitud SETUP. Al proporcionar una URL que consiste en exactamente cuatro repeticiones consecutivas de una URL RTSP v\u00e1lida, un atacante puede eludir la validaci\u00f3n de formato de primera etapa y desencadenar un desbordamiento de b\u00fafer basado en pila, causando una ca\u00edda inmediata del proceso del servicio RTSP y dejando el dispositivo inaccesible para todos los clientes en la red local."}], "id": "CVE-2026-51602", "lastModified": "2026-10-25T17:10:00.197", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 7.5, "baseSeverity": "HIGH", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 3.6, "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-51602", "options": [{"exploitation": "poc"}, {"automatable": "yes"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2026-07-09T17:45:35.376992Z", "version": "2.0.3"}}]}, "published": "2026-07-09T17:16:59.930", "references": [{"source": "cve@mitre.org", "url": "https://github.com/kkkk2222874/cve_ID_report/blob/main/Tenda_CP3_V3.0/Tenda_CP3_V3.0_3th/README.md"}, {"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "url": "https://github.com/kkkk2222874/cve_ID_report/blob/main/Tenda_CP3_V3.0/Tenda_CP3_V3.0_3th/README.md"}], "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": "31.1.9.91"}}], "enrichment": {"confidence": 80.0, "confidence_source": "inferred", "scores": [{"score": 80.0, "source": "inferred"}, {"score": 100.0, "source": "matching"}]}, "original": {"product": "n/a", "source": "cna", "vendor": "n/a"}, "product": "cp3", "vendor": "tenda"}], "created": "2026-07-09T18:30:16.121016+00:00", "updated": "2026-07-31T13:45:03.510594+00:00", "vendors": ["tenda", "tenda$PRODUCT$cp3"]}