CVE-2022-34747

{"containers": {"cna": {"affected": [{"product": "Zyxel NAS326 firmware", "vendor": "Zyxel", "versions": [{"status": "affected", "version": "< V5.21(AAZF.12)C0"}]}], "descriptions": [{"lang": "en", "value": "A format string vulnerability in Zyxel NAS326 firmware versions prior to V5.21(AAZF.12)C0 could allow an attacker to achieve unauthorized remote code execution via a crafted UDP packet."}], "metrics": [{"cvssV3_1": {"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"}}], "problemTypes": [{"descriptions": [{"cweId": "CWE-134", "description": "CWE-134: Use of Externally-Controlled Format String", "lang": "en", "type": "CWE"}]}], "providerMetadata": {"dateUpdated": "2022-09-06T01:20:10.000Z", "orgId": "96e50032-ad0d-4058-a115-4d2c13821f9f", "shortName": "Zyxel"}, "references": [{"tags": ["x_refsource_CONFIRM"], "url": "https://www.zyxel.com/support/Zyxel-security-advisory-for-format-string-vulnerability-in-NAS.shtml"}], "x_legacyV4Record": {"CVE_data_meta": {"ASSIGNER": "security@zyxel.com.tw", "ID": "CVE-2022-34747", "STATE": "PUBLIC"}, "affects": {"vendor": {"vendor_data": [{"product": {"product_data": [{"product_name": "Zyxel NAS326 firmware", "version": {"version_data": [{"version_value": "< V5.21(AAZF.12)C0"}]}}]}, "vendor_name": "Zyxel"}]}}, "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": {"description_data": [{"lang": "eng", "value": "A format string vulnerability in Zyxel NAS326 firmware versions prior to V5.21(AAZF.12)C0 could allow an attacker to achieve unauthorized remote code execution via a crafted UDP packet."}]}, "impact": {"cvss": {"baseScore": "9.8", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}}, "problemtype": {"problemtype_data": [{"description": [{"lang": "eng", "value": "CWE-134: Use of Externally-Controlled Format String"}]}]}, "references": {"reference_data": [{"name": "https://www.zyxel.com/support/Zyxel-security-advisory-for-format-string-vulnerability-in-NAS.shtml", "refsource": "CONFIRM", "url": "https://www.zyxel.com/support/Zyxel-security-advisory-for-format-string-vulnerability-in-NAS.shtml"}]}}}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-03T09:22:09.239Z"}, "title": "CVE Program Container", "references": [{"tags": ["x_refsource_CONFIRM", "x_transferred"], "url": "https://www.zyxel.com/support/Zyxel-security-advisory-for-format-string-vulnerability-in-NAS.shtml"}]}]}, "cveMetadata": {"assignerOrgId": "96e50032-ad0d-4058-a115-4d2c13821f9f", "assignerShortName": "Zyxel", "cveId": "CVE-2022-34747", "datePublished": "2022-09-06T01:20:10.000Z", "dateReserved": "2022-06-28T00:00:00.000Z", "dateUpdated": "2024-08-03T09:22:09.239Z", "state": "PUBLISHED"}, "dataType": "CVE_RECORD", "dataVersion": "5.1"}

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{"affected": [{"affectedData": [{"product": "Zyxel NAS326 firmware", "vendor": "Zyxel", "versions": [{"status": "affected", "version": "< V5.21(AAZF.12)C0"}]}], "source": "security@zyxel.com.tw"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:zyxel:nas326_firmware:*:*:*:*:*:*:*:*", "matchCriteriaId": "2859006C-00D3-4CF0-B9EF-4CEDD737CF98", "versionEndExcluding": "5.21\\(aazf.12\\)c0", "vulnerable": true}], "negate": false, "operator": "OR"}, {"cpeMatch": [{"criteria": "cpe:2.3:h:zyxel:nas326:-:*:*:*:*:*:*:*", "matchCriteriaId": "E0A01B19-4A91-4FBC-8447-2E854346DAC5", "vulnerable": false}], "negate": false, "operator": "OR"}], "operator": "AND"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "A format string vulnerability in Zyxel NAS326 firmware versions prior to V5.21(AAZF.12)C0 could allow an attacker to achieve unauthorized remote code execution via a crafted UDP packet."}, {"lang": "es", "value": "Una vulnerabilidad de cadena de formato en Zyxel NAS326 versiones de firmware anteriores a V5.21(AAZF.12)C0, podr\u00eda permitir a un atacante lograr una ejecuci\u00f3n remota no autorizada de c\u00f3digo por medio de un paquete UDP dise\u00f1ado.\n"}], "id": "CVE-2022-34747", "lastModified": "2026-06-17T04:50:51.437", "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": "security@zyxel.com.tw", "type": "Secondary"}, {"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": "nvd@nist.gov", "type": "Primary"}]}, "published": "2022-09-06T02:15:07.517", "references": [{"source": "security@zyxel.com.tw", "tags": ["Patch", "Vendor Advisory"], "url": "https://www.zyxel.com/support/Zyxel-security-advisory-for-format-string-vulnerability-in-NAS.shtml"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch", "Vendor Advisory"], "url": "https://www.zyxel.com/support/Zyxel-security-advisory-for-format-string-vulnerability-in-NAS.shtml"}], "sourceIdentifier": "security@zyxel.com.tw", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-134"}], "source": "security@zyxel.com.tw", "type": "Secondary"}, {"description": [{"lang": "en", "value": "CWE-134"}], "source": "nvd@nist.gov", "type": "Primary"}]}

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