{ "dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": { "cveId": "CVE-2026-71933", "assignerOrgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10", "state": "PUBLISHED", "assignerShortName": "VulnCheck", "dateReserved": "2026-08-08T16:37:44.519Z", "datePublished": "2026-08-24T17:07:59.089Z", "dateUpdated": "2026-08-26T16:14:12.954Z" }, "containers": { "cna": { "providerMetadata": { "orgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10", "shortName": "VulnCheck", "dateUpdated": "2026-08-24T17:07:59.089Z" }, "datePublic": "2026-08-24T00:00:00.000Z", "title": "DrayTek VigorSwitch Multiple Models Missing Authorization in Syslog Functions", "descriptions": [ { "lang": "en", "value": "Multiple DrayTek VigorSwitch models contain unauthorized operation vulnerabilities in multiple syslog functions. The vulnerability is caused by missing authorization checks. A remote attacker can trigger these vulnerabilities via crafted requests to modify configuration, restart services, save startup configuration, or clear logs." } ], "problemTypes": [ { "descriptions": [ { "lang": "en", "cweId": "CWE-862", "description": "Missing Authorization", "type": "CWE" } ] } ], "affected": [ { "vendor": "DrayTek Corporation", "product": "VigorSwitch G2540xs", "defaultStatus": "unaffected", "versions": [ { "version": "0", "lessThan": "3.9.10", "status": "affected", "versionType": "custom" } ] }, { "vendor": "DrayTek Corporation", "product": "VigorSwitch P2540xs", "defaultStatus": "unaffected", "versions": [ { "version": "0", "lessThan": "3.9.10", "status": "affected", "versionType": "custom" } ] }, { "vendor": "DrayTek Corporation", "product": "VigorSwitch FX2120", "defaultStatus": "unaffected", "versions": [ { "version": "0", "lessThan": "3.9.10", "status": "affected", "versionType": "custom" } ] }, { "vendor": "DrayTek Corporation", "product": "VigorSwitch G2282x", "defaultStatus": "unaffected", "versions": [ { "version": "0", "lessThan": "2.10.6", "status": "affected", "versionType": "custom" } ] }, { "vendor": "DrayTek Corporation", "product": "VigorSwitch P2282x", "defaultStatus": "unaffected", "versions": [ { "version": "0", "lessThan": "2.10.6", "status": "affected", "versionType": "custom" } ] }, { "vendor": "DrayTek Corporation", "product": "VigorSwitch Q2300x", "defaultStatus": "unaffected", "versions": [ { "version": "0", "lessThan": "2.10.7", "status": "affected", "versionType": "custom" } ] }, { "vendor": "DrayTek Corporation", "product": "VigorSwitch PQ2300xb", "defaultStatus": "unaffected", "versions": [ { "version": "0", "lessThan": "2.10.7", "status": "affected", "versionType": "custom" } ] }, { "vendor": "DrayTek Corporation", "product": "VigorSwitch G2542x", "defaultStatus": "unaffected", "versions": [ { "version": "0", "lessThan": "3.10.6", "status": "affected", "versionType": "custom" } ] }, { "vendor": "DrayTek 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} ] }, { "vendor": "DrayTek Corporation", "product": "VigorSwitch P1281x", "defaultStatus": "unaffected", "versions": [ { "version": "0", "lessThan": "2.9.10", "status": "affected", "versionType": "custom" } ] }, { "vendor": "DrayTek Corporation", "product": "VigorSwitch G1282", "defaultStatus": "unaffected", "versions": [ { "version": "0", "lessThan": "2.9.10", "status": "affected", "versionType": "custom" } ] }, { "vendor": "DrayTek Corporation", "product": "VigorSwitch P1282", "defaultStatus": "unaffected", "versions": [ { "version": "0", "lessThan": "2.9.10", "status": "affected", "versionType": "custom" } ] }, { "vendor": "DrayTek Corporation", "product": "VigorSwitch G2121", "defaultStatus": "unaffected", "versions": [ { "version": "0", "lessThan": "2.9.10", "status": "affected", "versionType": "custom" } ] }, { "vendor": "DrayTek Corporation", "product": "VigorSwitch P2121", "defaultStatus": "unaffected", "versions": [ { "version": "0", "lessThan": "2.9.10", "status": 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"availabilityImpact": "HIGH" } } ], "references": [ { "url": "https://www.draytek.com/about/security-advisory/multiple-vulnerabilities-in-vigorswitch-series-august-2026/", "tags": [ "vendor-advisory" ] }, { "name": "VulnCheck Advisory: DrayTek VigorSwitch Multiple Models Missing Authorization in Syslog Functions", "tags": [ "third-party-advisory" ], "url": "https://www.vulncheck.com/advisories/draytek-vigorswitch-multiple-models-missing-authorization-in-syslog-functions" } ], "credits": [ { "lang": "en", "value": "Jincheng Wang (@winmt)", "type": "finder" }, { "lang": "en", "value": "Le Yu (Nanjing University of Posts and Telecommunications)", "type": "finder" }, { "lang": "en", "value": "Xiapu Luo (The Hong Kong Polytechnic University)", "type": "finder" } ], "x_generator": { "engine": "vulncheck-endgame" } }, "adp": [ { "metrics": [ { "other": { "type": "ssvc", "content": { "timestamp": "2026-08-26T16:08:02.299010Z", "id": "CVE-2026-71933", "options": [ { "Exploitation": "none" }, { 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