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"operator": "AND"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "A null pointer dereference vulnerability in the certificate downloader CGI program of the Zyxel VMG3625-T50B firmware versions through 5.50(ABPM.9.6)C0 and the Zyxel WX3100-T0 firmware versions through 5.50(ABVL.4.8)C0 could allow an authenticated attacker with administrator privileges to trigger a denial-of-service (DoS) condition by sending a crafted HTTP request."}, {"lang": "es", "value": "Una vulnerabilidad de desreferencia de puntero nulo en el programa CGI de descarga de certificados de las versiones de firmware Zyxel VMG3625-T50B hasta la 5.50(ABPM.9.6)C0 y las versiones de firmware Zyxel WX3100-T0 hasta la 5.50(ABVL.4.8)C0 podr\u00eda permitir a un atacante autenticado con privilegios de administrador desencadenar una condici\u00f3n de denegaci\u00f3n de servicio (DoS) mediante el env\u00edo de una solicitud HTTP manipulada."}], "id": "CVE-2025-11845", "lastModified": "2026-02-25T18:10:06.317", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 4.9, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "HIGH", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 1.2, "impactScore": 3.6, "source": "security@zyxel.com.tw", "type": "Secondary"}, {"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 4.9, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "HIGH", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 1.2, "impactScore": 3.6, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2026-02-24T02:15:59.810", "references": [{"source": "security@zyxel.com.tw", "tags": ["Vendor Advisory"], "url": "https://www.zyxel.com/global/en/support/security-advisories/zyxel-security-advisory-for-null-pointer-dereference-and-command-injection-vulnerabilities-in-certain-4g-lte-5g-nr-cpe-dsl-ethernet-cpe-fiber-onts-security-routers-and-wireless-extenders-02-24-2026"}], "sourceIdentifier": "security@zyxel.com.tw", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-476"}], "source": "security@zyxel.com.tw", "type": "Primary"}]}

{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "[0,5.50(ABPM.9.6)C0]"}}], "enrichment": {"confidence": 100.0, "confidence_source": "matching", "scores": [{"score": 100.0, "source": "matching"}]}, "original": {"product": "VMG3625-T50B firmware", "source": "cna", "vendor": "Zyxel"}, "product": "vmg3625-t50b_firmware", "vendor": "zyxel"}, {"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "[0,5.50(ABVL.4.8)C0]"}}], "enrichment": {"confidence": 100.0, "confidence_source": "matching", "scores": [{"score": 100.0, "source": "matching"}]}, "original": {"product": "WX3100-T0 firmware", "source": "cna", "vendor": "Zyxel"}, "product": "wx3100-t0_firmware", "vendor": "zyxel"}], "created": "2026-02-24T09:53:57.802308+00:00", "updated": "2026-02-24T09:53:57.802436+00:00", "vendors": ["zyxel", "zyxel$PRODUCT$vmg3625-t50b_firmware", "zyxel$PRODUCT$wx3100-t0_firmware"]}