CVE-2025-67186

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{"affected": [{"affectedData": [{"product": "n/a", "vendor": "n/a", "versions": [{"status": "affected", "version": "n/a"}]}], "source": "cve@mitre.org"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:totolink:a950rg_firmware:4.1.2cu.5204_b20210112:*:*:*:*:*:*:*", "matchCriteriaId": "730932A4-0583-43BA-995A-EFCE271B9BA6", "vulnerable": true}], "negate": false, "operator": "OR"}, {"cpeMatch": [{"criteria": "cpe:2.3:h:totolink:a950rg:-:*:*:*:*:*:*:*", "matchCriteriaId": "2F20C691-11F3-4882-89C7-500C097C0938", "vulnerable": false}], "negate": false, "operator": "OR"}], "operator": "AND"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "TOTOLINK A950RG V4.1.2cu.5204_B20210112 contains a buffer overflow vulnerability in the setUrlFilterRules interface of /lib/cste_modules/firewall.so. The vulnerability occurs because the `url` parameter is not properly validated for length, allowing remote attackers to trigger a buffer overflow, potentially leading to arbitrary code execution or denial of service."}, {"lang": "es", "value": "TOTOLINK A950RG V4.1.2cu.5204_B20210112 contiene una vulnerabilidad de desbordamiento de b\u00fafer en la interfaz setUrlFilterRules de /lib/cste_modules/firewall.so. La vulnerabilidad ocurre porque el par\u00e1metro 'url' no se valida correctamente en cuanto a su longitud, lo que permite a atacantes remotos desencadenar un desbordamiento de b\u00fafer, lo que podr\u00eda conducir a la ejecuci\u00f3n de c\u00f3digo arbitrario o a una denegaci\u00f3n de servicio."}], "id": "CVE-2025-67186", "lastModified": "2026-06-17T09:57:30.503", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 9.8, "baseSeverity": "CRITICAL", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 5.9, "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2025-67186", "options": [{"exploitation": "poc"}, {"automatable": "yes"}, {"technicalImpact": "total"}], "role": "CISA Coordinator", "timestamp": "2026-02-04T16:23:08.192516Z", "version": "2.0.3"}}]}, "published": "2026-02-03T18:16:16.037", "references": [{"source": "cve@mitre.org", "tags": ["Exploit", "Third Party Advisory"], "url": "https://github.com/SunnyYANGyaya/cuicuishark-sheep-fishIOT/blob/main/ToTolink/A950RG/5024-setUrlFliterRules-url-buffer.md"}], "sourceIdentifier": "cve@mitre.org", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-120"}], "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary"}]}

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{"created": "2026-02-04T12:17:16.789216+00:00", "updated": "2026-02-04T12:17:16.789243+00:00", "vendors": ["totolink", "totolink$PRODUCT$a950rg"]}