{"api_version":"1","generated_at":"2026-08-24T21:26:06+00:00","cve":"CVE-2026-71906","urls":{"html":"https://cve.report/CVE-2026-71906","api":"https://cve.report/api/cve/CVE-2026-71906.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2026-71906","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-71906"},"summary":{"title":"DrayTek VigorAP Multiple Models OS Command Injection via setLan","description":"Multiple DrayTek VigorAP models contain a command injection vulnerability in the setLan function. The vulnerability is caused by insufficient validation of the lanIp and lanNetmask fields before command execution. A remote attacker can trigger this vulnerability via crafted input to execute arbitrary commands with root privileges. Exploitation requires valid administrative credentials for the device's web management interface.","state":"PUBLISHED","assigner":"VulnCheck","published_at":"2026-08-24 18:17:02","updated_at":"2026-08-24 18:17:02"},"problem_types":["CWE-78","CWE-78 Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')"],"metrics":[{"version":"4.0","source":"disclosure@vulncheck.com","type":"Secondary","score":"8.6","severity":"HIGH","vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","data":{"version":"4.0","vectorString":"CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","baseScore":8.6,"baseSeverity":"HIGH","attackVector":"NETWORK","attackComplexity":"LOW","attackRequirements":"NONE","privilegesRequired":"HIGH","userInteraction":"NONE","vulnConfidentialityImpact":"HIGH","vulnIntegrityImpact":"HIGH","vulnAvailabilityImpact":"HIGH","subConfidentialityImpact":"NONE","subIntegrityImpact":"NONE","subAvailabilityImpact":"NONE","exploitMaturity":"NOT_DEFINED","confidentialityRequirement":"NOT_DEFINED","integrityRequirement":"NOT_DEFINED","availabilityRequirement":"NOT_DEFINED","modifiedAttackVector":"NOT_DEFINED","modifiedAttackComplexity":"NOT_DEFINED","modifiedAttackRequirements":"NOT_DEFINED","modifiedPrivilegesRequired":"NOT_DEFINED","modifiedUserInteraction":"NOT_DEFINED","modifiedVulnConfidentialityImpact":"NOT_DEFINED","modifiedVulnIntegrityImpact":"NOT_DEFINED","modifiedVulnAvailabilityImpact":"NOT_DEFINED","modifiedSubConfidentialityImpact":"NOT_DEFINED","modifiedSubIntegrityImpact":"NOT_DEFINED","modifiedSubAvailabilityImpact":"NOT_DEFINED","Safety":"NOT_DEFINED","Automatable":"NOT_DEFINED","Recovery":"NOT_DEFINED","valueDensity":"NOT_DEFINED","vulnerabilityResponseEffort":"NOT_DEFINED","providerUrgency":"NOT_DEFINED"}},{"version":"4.0","source":"CNA","type":"CVSS","score":"8.6","severity":"HIGH","vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N","data":{"attackComplexity":"LOW","attackRequirements":"NONE","attackVector":"NETWORK","baseScore":8.6,"baseSeverity":"HIGH","privilegesRequired":"HIGH","subAvailabilityImpact":"NONE","subConfidentialityImpact":"NONE","subIntegrityImpact":"NONE","userInteraction":"NONE","vectorString":"CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N","version":"4.0","vulnAvailabilityImpact":"HIGH","vulnConfidentialityImpact":"HIGH","vulnIntegrityImpact":"HIGH"}},{"version":"3.1","source":"disclosure@vulncheck.com","type":"Primary","score":"7.2","severity":"HIGH","vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H","data":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H","baseScore":7.2,"baseSeverity":"HIGH","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"HIGH","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"HIGH","integrityImpact":"HIGH","availabilityImpact":"HIGH"}},{"version":"3.1","source":"CNA","type":"CVSS","score":"7.2","severity":"HIGH","vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H","data":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"HIGH","baseScore":7.2,"baseSeverity":"HIGH","confidentialityImpact":"HIGH","integrityImpact":"HIGH","privilegesRequired":"HIGH","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H","version":"3.1"}}],"references":[{"url":"https://www.vulncheck.com/advisories/draytek-vigorap-multiple-models-os-command-injection-via-setlan","name":"https://www.vulncheck.com/advisories/draytek-vigorap-multiple-models-os-command-injection-via-setlan","refsource":"disclosure@vulncheck.com","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://www.draytek.com/about/security-advisory/multiple-remote-code-execution-and-buffer-overflow-vulnerabilities-in-vigorap-series-august-2026/","name":"https://www.draytek.com/about/security-advisory/multiple-remote-code-execution-and-buffer-overflow-vulnerabilities-in-vigorap-series-august-2026/","refsource":"disclosure@vulncheck.com","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-71906","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-71906","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[{"source":"CNA","vendor":"DrayTek Corporation","product":"VigorAP 918R","version":"affected 1.4.11 custom","platforms":[]},{"source":"CNA","vendor":"DrayTek Corporation","product":"VigorAP 960C","version":"affected 1.4.12 custom","platforms":[]},{"source":"CNA","vendor":"DrayTek Corporation","product":"VigorAP 1060C","version":"affected 1.4.12 custom","platforms":[]},{"source":"CNA","vendor":"DrayTek Corporation","product":"VigorAP 906","version":"affected 1.4.13 custom","platforms":[]},{"source":"CNA","vendor":"DrayTek Corporation","product":"VigorAP 912C","version":"affected 1.4.15 custom","platforms":[]},{"source":"CNA","vendor":"DrayTek Corporation","product":"VigorAP 903","version":"affected 1.4.22 custom","platforms":[]}],"timeline":[],"solutions":[],"workarounds":[],"exploits":[],"credits":[{"source":"CNA","value":"Jincheng Wang (@winmt)","lang":"en"},{"source":"CNA","value":"Le Yu (Nanjing University of Posts and Telecommunications)","lang":"en"},{"source":"CNA","value":"Xiapu Luo (The Hong Kong Polytechnic University)","lang":"en"}],"nvd_cpes":[],"vendor_comments":[],"enrichments":{"kev":null,"epss":null,"legacy_qids":[]},"source_records":{"cve_program":{"containers":{"cna":{"affected":[{"defaultStatus":"unaffected","product":"VigorAP 918R","vendor":"DrayTek Corporation","versions":[{"lessThan":"1.4.11","status":"affected","version":"0","versionType":"custom"}]},{"defaultStatus":"unaffected","product":"VigorAP 960C","vendor":"DrayTek Corporation","versions":[{"lessThan":"1.4.12","status":"affected","version":"0","versionType":"custom"}]},{"defaultStatus":"unaffected","product":"VigorAP 1060C","vendor":"DrayTek Corporation","versions":[{"lessThan":"1.4.12","status":"affected","version":"0","versionType":"custom"}]},{"defaultStatus":"unaffected","product":"VigorAP 906","vendor":"DrayTek Corporation","versions":[{"lessThan":"1.4.13","status":"affected","version":"0","versionType":"custom"}]},{"defaultStatus":"unaffected","product":"VigorAP 912C","vendor":"DrayTek Corporation","versions":[{"lessThan":"1.4.15","status":"affected","version":"0","versionType":"custom"}]},{"defaultStatus":"unaffected","product":"VigorAP 903","vendor":"DrayTek Corporation","versions":[{"lessThan":"1.4.22","status":"affected","version":"0","versionType":"custom"}]}],"cpeApplicability":[{"nodes":[{"cpeMatch":[{"criteria":"cpe:2.3:o:draytek:vigorap_918r_firmware:*:*:*:*:*:*:*:*","versionEndExcluding":"1.4.11","vulnerable":true},{"criteria":"cpe:2.3:o:draytek:vigorap_960c_firmware:*:*:*:*:*:*:*:*","versionEndExcluding":"1.4.12","vulnerable":true},{"criteria":"cpe:2.3:o:draytek:vigorap_1060c_firmware:*:*:*:*:*:*:*:*","versionEndExcluding":"1.4.12","vulnerable":true},{"criteria":"cpe:2.3:o:draytek:vigorap_906_firmware:*:*:*:*:*:*:*:*","versionEndExcluding":"1.4.13","vulnerable":true},{"criteria":"cpe:2.3:o:draytek:vigorap_912c_firmware:*:*:*:*:*:*:*:*","versionEndExcluding":"1.4.15","vulnerable":true},{"criteria":"cpe:2.3:o:draytek:vigorap_903_firmware:*:*:*:*:*:*:*:*","versionEndExcluding":"1.4.22","vulnerable":true}],"negate":false,"operator":"OR"}]}],"credits":[{"lang":"en","type":"finder","value":"Jincheng Wang (@winmt)"},{"lang":"en","type":"finder","value":"Le Yu (Nanjing University of Posts and Telecommunications)"},{"lang":"en","type":"finder","value":"Xiapu Luo (The Hong Kong Polytechnic University)"}],"datePublic":"2026-08-24T00:00:00.000Z","descriptions":[{"lang":"en","value":"Multiple DrayTek VigorAP models contain a command injection vulnerability in the setLan function. The vulnerability is caused by insufficient validation of the lanIp and lanNetmask fields before command execution. A remote attacker can trigger this vulnerability via crafted input to execute arbitrary commands with root privileges. Exploitation requires valid administrative credentials for the device's web management interface."}],"metrics":[{"cvssV4_0":{"attackComplexity":"LOW","attackRequirements":"NONE","attackVector":"NETWORK","baseScore":8.6,"baseSeverity":"HIGH","privilegesRequired":"HIGH","subAvailabilityImpact":"NONE","subConfidentialityImpact":"NONE","subIntegrityImpact":"NONE","userInteraction":"NONE","vectorString":"CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N","version":"4.0","vulnAvailabilityImpact":"HIGH","vulnConfidentialityImpact":"HIGH","vulnIntegrityImpact":"HIGH"},"format":"CVSS"},{"cvssV3_1":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"HIGH","baseScore":7.2,"baseSeverity":"HIGH","confidentialityImpact":"HIGH","integrityImpact":"HIGH","privilegesRequired":"HIGH","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H","version":"3.1"},"format":"CVSS"}],"problemTypes":[{"descriptions":[{"cweId":"CWE-78","description":"Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')","lang":"en","type":"CWE"}]}],"providerMetadata":{"dateUpdated":"2026-08-24T17:07:40.927Z","orgId":"83251b91-4cc7-4094-a5c7-464a1b83ea10","shortName":"VulnCheck"},"references":[{"tags":["vendor-advisory"],"url":"https://www.draytek.com/about/security-advisory/multiple-remote-code-execution-and-buffer-overflow-vulnerabilities-in-vigorap-series-august-2026/"},{"name":"VulnCheck Advisory: DrayTek VigorAP Multiple Models OS Command Injection via setLan","tags":["third-party-advisory"],"url":"https://www.vulncheck.com/advisories/draytek-vigorap-multiple-models-os-command-injection-via-setlan"}],"title":"DrayTek VigorAP Multiple Models OS Command Injection via setLan","x_generator":{"engine":"vulncheck-endgame"}}},"cveMetadata":{"assignerOrgId":"83251b91-4cc7-4094-a5c7-464a1b83ea10","assignerShortName":"VulnCheck","cveId":"CVE-2026-71906","datePublished":"2026-08-24T17:07:40.927Z","dateReserved":"2026-08-08T16:37:44.517Z","dateUpdated":"2026-08-24T17:07:40.927Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.2"},"nvd":{"publishedDate":"2026-08-24 18:17:02","lastModifiedDate":"2026-08-24 18:17:02","problem_types":["CWE-78","CWE-78 Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')"],"metrics":{"cvssMetricV40":[{"source":"disclosure@vulncheck.com","type":"Secondary","cvssData":{"version":"4.0","vectorString":"CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","baseScore":8.6,"baseSeverity":"HIGH","attackVector":"NETWORK","attackComplexity":"LOW","attackRequirements":"NONE","privilegesRequired":"HIGH","userInteraction":"NONE","vulnConfidentialityImpact":"HIGH","vulnIntegrityImpact":"HIGH","vulnAvailabilityImpact":"HIGH","subConfidentialityImpact":"NONE","subIntegrityImpact":"NONE","subAvailabilityImpact":"NONE","exploitMaturity":"NOT_DEFINED","confidentialityRequirement":"NOT_DEFINED","integrityRequirement":"NOT_DEFINED","availabilityRequirement":"NOT_DEFINED","modifiedAttackVector":"NOT_DEFINED","modifiedAttackComplexity":"NOT_DEFINED","modifiedAttackRequirements":"NOT_DEFINED","modifiedPrivilegesRequired":"NOT_DEFINED","modifiedUserInteraction":"NOT_DEFINED","modifiedVulnConfidentialityImpact":"NOT_DEFINED","modifiedVulnIntegrityImpact":"NOT_DEFINED","modifiedVulnAvailabilityImpact":"NOT_DEFINED","modifiedSubConfidentialityImpact":"NOT_DEFINED","modifiedSubIntegrityImpact":"NOT_DEFINED","modifiedSubAvailabilityImpact":"NOT_DEFINED","Safety":"NOT_DEFINED","Automatable":"NOT_DEFINED","Recovery":"NOT_DEFINED","valueDensity":"NOT_DEFINED","vulnerabilityResponseEffort":"NOT_DEFINED","providerUrgency":"NOT_DEFINED"}}],"cvssMetricV31":[{"source":"disclosure@vulncheck.com","type":"Primary","cvssData":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H","baseScore":7.2,"baseSeverity":"HIGH","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"HIGH","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"HIGH","integrityImpact":"HIGH","availabilityImpact":"HIGH"},"exploitabilityScore":1.2,"impactScore":5.9}]},"configurations":[]},"legacy_mitre":{"record":{"CveYear":"2026","CveId":"71906","Ordinal":"1","Title":"DrayTek VigorAP Multiple Models OS Command Injection via setLan","CVE":"CVE-2026-71906","Year":"2026"},"notes":[{"CveYear":"2026","CveId":"71906","Ordinal":"1","NoteData":"Multiple DrayTek VigorAP models contain a command injection vulnerability in the setLan function. The vulnerability is caused by insufficient validation of the lanIp and lanNetmask fields before command execution. A remote attacker can trigger this vulnerability via crafted input to execute arbitrary commands with root privileges. Exploitation requires valid administrative credentials for the device's web management interface.","Type":"Description","Title":"DrayTek VigorAP Multiple Models OS Command Injection via setLan"}]}}}