{"resultsPerPage":1,"startIndex":0,"totalResults":1,"format":"NVD_CVE","version":"2.0","timestamp":"2026-08-02T05:52:11.986","vulnerabilities":[{"cve":{"id":"CVE-2021-4030","sourceIdentifier":"security@zyxel.com.tw","published":"2022-02-24T15:15:25.207","lastModified":"2026-06-17T04:18:55.287","vulnStatus":"Modified","cveTags":[],"descriptions":[{"lang":"en","value":"A cross-site request forgery vulnerability in the HTTP daemon of the Zyxel ARMOR Z1/Z2 firmware could allow an attacker to execute arbitrary commands if they coerce or trick a local user to visit a compromised website with malicious scripts."},{"lang":"es","value":"Una vulnerabilidad de tipo cross-site request forgery en el demonio HTTP del firmware Zyxel ARMOR Z1/Z2 podría permitir a un atacante ejecutar comandos arbitrarios si coacciona o engaña a un usuario local para que visite un sitio web comprometido con scripts maliciosos"}],"affected":[{"source":"security@zyxel.com.tw","affectedData":[{"vendor":"Zyxel","product":"ARMOR Z2 (NBG6817) firmware","versions":[{"version":"1.00(ABCS.10)C0","status":"affected"}]},{"vendor":"Zyxel","product":"ARMOR Z1 (NBG6816) firmware","versions":[{"version":"1.00(AAWB.10)C0","status":"affected"}]}]}],"metrics":{"cvssMetricV31":[{"source":"security@zyxel.com.tw","type":"Secondary","cvssData":{"version":"3.1","vectorString":"CVSS:3.1/AV:A/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","baseScore":8.0,"baseSeverity":"HIGH","attackVector":"ADJACENT_NETWORK","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"REQUIRED","scope":"UNCHANGED","confidentialityImpact":"HIGH","integrityImpact":"HIGH","availabilityImpact":"HIGH"},"exploitabilityScore":2.1,"impactScore":5.9},{"source":"nvd@nist.gov","type":"Primary","cvssData":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","baseScore":8.8,"baseSeverity":"HIGH","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"REQUIRED","scope":"UNCHANGED","confidentialityImpact":"HIGH","integrityImpact":"HIGH","availabilityImpact":"HIGH"},"exploitabilityScore":2.8,"impactScore":5.9}],"cvssMetricV2":[{"source":"nvd@nist.gov","type":"Primary","cvssData":{"version":"2.0","vectorString":"AV:N/AC:M/Au:N/C:P/I:P/A:P","baseScore":6.8,"accessVector":"NETWORK","accessComplexity":"MEDIUM","authentication":"NONE","confidentialityImpact":"PARTIAL","integrityImpact":"PARTIAL","availabilityImpact":"PARTIAL"},"baseSeverity":"MEDIUM","exploitabilityScore":8.6,"impactScore":6.4,"acInsufInfo":false,"obtainAllPrivilege":false,"obtainUserPrivilege":false,"obtainOtherPrivilege":false,"userInteractionRequired":true}]},"weaknesses":[{"source":"security@zyxel.com.tw","type":"Secondary","description":[{"lang":"en","value":"CWE-352"}]},{"source":"nvd@nist.gov","type":"Primary","description":[{"lang":"en","value":"CWE-352"}]}],"configurations":[{"operator":"AND","nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:zyxel:nbg6816_firmware:1.00\\(aawb.10\\)c0:*:*:*:*:*:*:*","matchCriteriaId":"51FE7589-8B85-40D9-A361-ECB2DC902D72"}]},{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":false,"criteria":"cpe:2.3:h:zyxel:nbg6816:-:*:*:*:*:*:*:*","matchCriteriaId":"DEBACD2B-7C99-437F-B5C7-0EEA387DFE78"}]}]},{"operator":"AND","nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:zyxel:nbg6817_firmware:*:*:*:*:*:*:*:*","versionEndExcluding":"1.00\\(abcs.11\\)c0","matchCriteriaId":"7A4183C2-A488-4A80-AFDD-3CBC90D912D0"}]},{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":false,"criteria":"cpe:2.3:h:zyxel:nbg6817:-:*:*:*:*:*:*:*","matchCriteriaId":"1DB033C4-F082-46B1-985C-4FDFD62FFC70"}]}]}],"references":[{"url":"https://www.zyxel.com/support/forgery-vulnerabilities-of-select-Armor-home-routers.shtml","source":"security@zyxel.com.tw","tags":["Vendor Advisory"]},{"url":"https://www.zyxel.com/support/forgery-vulnerabilities-of-select-Armor-home-routers.shtml","source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Vendor Advisory"]}]}}]}