{"api_version":"1","generated_at":"2026-07-23T23:03:02+00:00","cve":"CVE-2026-3974","urls":{"html":"https://cve.report/CVE-2026-3974","api":"https://cve.report/api/cve/CVE-2026-3974.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2026-3974","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-3974"},"summary":{"title":"Tenda W3 HTTP exeCommand formexeCommand stack-based overflow","description":"A vulnerability was identified in Tenda W3 1.0.0.3(2204). This vulnerability affects the function formexeCommand of the file /goform/exeCommand of the component HTTP Handler. Such manipulation of the argument cmdinput leads to stack-based buffer overflow. The attack may be performed from remote. The exploit is publicly available and might be used.","state":"PUBLISHED","assigner":"VulDB","published_at":"2026-03-12 03:15:58","updated_at":"2026-04-02 20:07:48"},"problem_types":["CWE-119","CWE-121","CWE-787","CWE-121 Stack-based Buffer Overflow","CWE-119 Memory Corruption"],"metrics":[{"version":"4.0","source":"cna@vuldb.com","type":"Secondary","score":"7.4","severity":"HIGH","vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P/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:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P/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":7.4,"baseSeverity":"HIGH","attackVector":"NETWORK","attackComplexity":"LOW","attackRequirements":"NONE","privilegesRequired":"LOW","userInteraction":"NONE","vulnConfidentialityImpact":"HIGH","vulnIntegrityImpact":"HIGH","vulnAvailabilityImpact":"HIGH","subConfidentialityImpact":"NONE","subIntegrityImpact":"NONE","subAvailabilityImpact":"NONE","exploitMaturity":"PROOF_OF_CONCEPT","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":"DECLARED","score":"8.7","severity":"HIGH","vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P","data":{"baseScore":8.7,"baseSeverity":"HIGH","vectorString":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P","version":"4.0"}},{"version":"3.1","source":"cna@vuldb.com","type":"Primary","score":"8.8","severity":"HIGH","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","data":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","baseScore":8.8,"baseSeverity":"HIGH","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"LOW","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"HIGH","integrityImpact":"HIGH","availabilityImpact":"HIGH"}},{"version":"3.1","source":"CNA","type":"DECLARED","score":"8.8","severity":"HIGH","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:P/RL:X/RC:R","data":{"baseScore":8.8,"baseSeverity":"HIGH","vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:P/RL:X/RC:R","version":"3.1"}},{"version":"3.0","source":"CNA","type":"DECLARED","score":"8.8","severity":"HIGH","vector":"CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:P/RL:X/RC:R","data":{"baseScore":8.8,"baseSeverity":"HIGH","vectorString":"CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:P/RL:X/RC:R","version":"3.0"}},{"version":"2.0","source":"cna@vuldb.com","type":"Secondary","score":"9","severity":"","vector":"AV:N/AC:L/Au:S/C:C/I:C/A:C","data":{"version":"2.0","vectorString":"AV:N/AC:L/Au:S/C:C/I:C/A:C","baseScore":9,"accessVector":"NETWORK","accessComplexity":"LOW","authentication":"SINGLE","confidentialityImpact":"COMPLETE","integrityImpact":"COMPLETE","availabilityImpact":"COMPLETE"}},{"version":"2.0","source":"CNA","type":"DECLARED","score":"9","severity":"","vector":"AV:N/AC:L/Au:S/C:C/I:C/A:C/E:POC/RL:ND/RC:UR","data":{"baseScore":9,"vectorString":"AV:N/AC:L/Au:S/C:C/I:C/A:C/E:POC/RL:ND/RC:UR","version":"2.0"}}],"references":[{"url":"https://vuldb.com/?submit.769177","name":"https://vuldb.com/?submit.769177","refsource":"cna@vuldb.com","tags":["Third Party Advisory","VDB Entry"],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://www.tenda.com.cn/","name":"https://www.tenda.com.cn/","refsource":"cna@vuldb.com","tags":["Product"],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://vuldb.com/?id.350409","name":"https://vuldb.com/?id.350409","refsource":"cna@vuldb.com","tags":["Third Party Advisory","VDB Entry"],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://github.com/Svigo-o/Tenda_vul/tree/main/tenda-w3-formexeCommand-cmdinput-buffer-overflow","name":"https://github.com/Svigo-o/Tenda_vul/tree/main/tenda-w3-formexeCommand-cmdinput-buffer-overflow","refsource":"cna@vuldb.com","tags":["Exploit","Third Party Advisory"],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://vuldb.com/?ctiid.350409","name":"https://vuldb.com/?ctiid.350409","refsource":"cna@vuldb.com","tags":["Permissions Required","VDB Entry"],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-3974","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-3974","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[{"source":"CNA","vendor":"Tenda","product":"W3","version":"affected 1.0.0.3(2204)","platforms":[]}],"timeline":[{"source":"CNA","time":"2026-03-11T00:00:00.000Z","lang":"en","value":"Advisory disclosed"},{"source":"CNA","time":"2026-03-11T01:00:00.000Z","lang":"en","value":"VulDB entry created"},{"source":"CNA","time":"2026-03-11T15:07:09.000Z","lang":"en","value":"VulDB entry last update"}],"solutions":[],"workarounds":[],"exploits":[],"credits":[{"source":"CNA","value":"Svigo_o (VulDB User)","lang":"en"}],"nvd_cpes":[{"cve_year":"2026","cve_id":"3974","vulnerable":"0","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"h","cpe4":"tenda","cpe5":"w3","cpe6":"-","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2026","cve_id":"3974","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"o","cpe4":"tenda","cpe5":"w3_firmware","cpe6":"1.0.0.3\\(2204\\)","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"}],"vendor_comments":[],"enrichments":{"kev":null,"epss":{"cve_year":"2026","cve_id":"3974","cve":"CVE-2026-3974","epss":"0.000790000","percentile":"0.234710000","score_date":"2026-04-07","updated_at":"2026-04-08 00:03:40"},"legacy_qids":[]},"source_records":{"cve_program":{"containers":{"adp":[{"metrics":[{"other":{"content":{"id":"CVE-2026-3974","options":[{"Exploitation":"poc"},{"Automatable":"no"},{"Technical Impact":"total"}],"role":"CISA Coordinator","timestamp":"2026-03-12T13:15:24.380582Z","version":"2.0.3"},"type":"ssvc"}}],"providerMetadata":{"dateUpdated":"2026-03-12T13:15:30.976Z","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP"},"title":"CISA ADP Vulnrichment"}],"cna":{"affected":[{"modules":["HTTP Handler"],"product":"W3","vendor":"Tenda","versions":[{"status":"affected","version":"1.0.0.3(2204)"}]}],"credits":[{"lang":"en","type":"reporter","value":"Svigo_o (VulDB User)"}],"descriptions":[{"lang":"en","value":"A vulnerability was identified in Tenda W3 1.0.0.3(2204). This vulnerability affects the function formexeCommand of the file /goform/exeCommand of the component HTTP Handler. Such manipulation of the argument cmdinput leads to stack-based buffer overflow. The attack may be performed from remote. The exploit is publicly available and might be used."}],"metrics":[{"cvssV4_0":{"baseScore":8.7,"baseSeverity":"HIGH","vectorString":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P","version":"4.0"}},{"cvssV3_1":{"baseScore":8.8,"baseSeverity":"HIGH","vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:P/RL:X/RC:R","version":"3.1"}},{"cvssV3_0":{"baseScore":8.8,"baseSeverity":"HIGH","vectorString":"CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:P/RL:X/RC:R","version":"3.0"}},{"cvssV2_0":{"baseScore":9,"vectorString":"AV:N/AC:L/Au:S/C:C/I:C/A:C/E:POC/RL:ND/RC:UR","version":"2.0"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-121","description":"Stack-based Buffer Overflow","lang":"en","type":"CWE"}]},{"descriptions":[{"cweId":"CWE-119","description":"Memory Corruption","lang":"en","type":"CWE"}]}],"providerMetadata":{"dateUpdated":"2026-03-12T02:02:09.383Z","orgId":"1af790b2-7ee1-4545-860a-a788eba489b5","shortName":"VulDB"},"references":[{"name":"VDB-350409 | Tenda W3 HTTP exeCommand formexeCommand stack-based overflow","tags":["vdb-entry","technical-description"],"url":"https://vuldb.com/?id.350409"},{"name":"VDB-350409 | CTI Indicators (IOB, IOC, IOA)","tags":["signature","permissions-required"],"url":"https://vuldb.com/?ctiid.350409"},{"name":"Submit #769177 | Tenda W3 V1.0.0.3(2204) Buffer Overflow","tags":["third-party-advisory"],"url":"https://vuldb.com/?submit.769177"},{"tags":["exploit"],"url":"https://github.com/Svigo-o/Tenda_vul/tree/main/tenda-w3-formexeCommand-cmdinput-buffer-overflow"},{"tags":["product"],"url":"https://www.tenda.com.cn/"}],"timeline":[{"lang":"en","time":"2026-03-11T00:00:00.000Z","value":"Advisory disclosed"},{"lang":"en","time":"2026-03-11T01:00:00.000Z","value":"VulDB entry created"},{"lang":"en","time":"2026-03-11T15:07:09.000Z","value":"VulDB entry last update"}],"title":"Tenda W3 HTTP exeCommand formexeCommand stack-based overflow"}},"cveMetadata":{"assignerOrgId":"1af790b2-7ee1-4545-860a-a788eba489b5","assignerShortName":"VulDB","cveId":"CVE-2026-3974","datePublished":"2026-03-12T02:02:09.383Z","dateReserved":"2026-03-11T14:01:24.436Z","dateUpdated":"2026-03-12T13:15:30.976Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.2"},"nvd":{"publishedDate":"2026-03-12 03:15:58","lastModifiedDate":"2026-04-02 20:07:48","problem_types":["CWE-119","CWE-121","CWE-787","CWE-121 Stack-based Buffer Overflow","CWE-119 Memory Corruption"],"metrics":{"cvssMetricV40":[{"source":"cna@vuldb.com","type":"Secondary","cvssData":{"version":"4.0","vectorString":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P/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":7.4,"baseSeverity":"HIGH","attackVector":"NETWORK","attackComplexity":"LOW","attackRequirements":"NONE","privilegesRequired":"LOW","userInteraction":"NONE","vulnConfidentialityImpact":"HIGH","vulnIntegrityImpact":"HIGH","vulnAvailabilityImpact":"HIGH","subConfidentialityImpact":"NONE","subIntegrityImpact":"NONE","subAvailabilityImpact":"NONE","exploitMaturity":"PROOF_OF_CONCEPT","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":"cna@vuldb.com","type":"Primary","cvssData":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","baseScore":8.8,"baseSeverity":"HIGH","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"LOW","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"HIGH","integrityImpact":"HIGH","availabilityImpact":"HIGH"},"exploitabilityScore":2.8,"impactScore":5.9}],"cvssMetricV2":[{"source":"cna@vuldb.com","type":"Secondary","cvssData":{"version":"2.0","vectorString":"AV:N/AC:L/Au:S/C:C/I:C/A:C","baseScore":9,"accessVector":"NETWORK","accessComplexity":"LOW","authentication":"SINGLE","confidentialityImpact":"COMPLETE","integrityImpact":"COMPLETE","availabilityImpact":"COMPLETE"},"baseSeverity":"HIGH","exploitabilityScore":8,"impactScore":10,"acInsufInfo":false,"obtainAllPrivilege":false,"obtainUserPrivilege":false,"obtainOtherPrivilege":false,"userInteractionRequired":false}]},"configurations":[{"operator":"AND","nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:tenda:w3_firmware:1.0.0.3\\(2204\\):*:*:*:*:*:*:*","matchCriteriaId":"F7C71B75-3813-4243-B6A3-8B44102303AA"}]},{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":false,"criteria":"cpe:2.3:h:tenda:w3:-:*:*:*:*:*:*:*","matchCriteriaId":"89FA4ED8-CE8A-4A77-9A71-D99871B76EA3"}]}]}]},"legacy_mitre":{"record":{"CveYear":"2026","CveId":"3974","Ordinal":"1","Title":"Tenda W3 HTTP exeCommand formexeCommand stack-based overflow","CVE":"CVE-2026-3974","Year":"2026"},"notes":[{"CveYear":"2026","CveId":"3974","Ordinal":"1","NoteData":"A vulnerability was identified in Tenda W3 1.0.0.3(2204). This vulnerability affects the function formexeCommand of the file /goform/exeCommand of the component HTTP Handler. Such manipulation of the argument cmdinput leads to stack-based buffer overflow. The attack may be performed from remote. The exploit is publicly available and might be used.","Type":"Description","Title":"Tenda W3 HTTP exeCommand formexeCommand stack-based overflow"}]}}}