{"id":"CVE-2021-40408","state":"PUBLISHED","title":"An OS command injection vulnerability exists in the device network settings functionality of reolink RLC-410W v3.0.0.136_20121102. At [1] or [2], based on DDNS type, the ddns->user","description":"An OS command injection vulnerability exists in the device network settings functionality of reolink RLC-410W v3.0.0.136_20121102. At [1] or [2], based on DDNS type, the ddns->username variable, that has the value of the userName parameter provided through the SetDdns API, is not validated properly. This would lead to an OS command injection.","publishedAt":"2022-01-28T19:10:13.000Z","updatedAt":"2025-04-15T19:20:34.689Z","severity":{"score":9.1,"label":"Critical","version":"3.0","vector":"CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H","source":"talos"},"assigner":"talos","products":["n/a n/a"],"affected":[{"vendor":"n/a","product":"n/a","versions":[{"version":"n/a","status":"affected"}]}],"references":["https://talosintelligence.com/vulnerability_reports/TALOS-2021-1424"],"weaknesses":["CWE-78"],"ingestedAt":"2026-10-29T19:48:58.929Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2021/40xxx/CVE-2021-40408.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.1","cveMetadata":{"cveId":"CVE-2021-40408","state":"PUBLISHED","datePublished":"2022-01-28T19:10:13.000Z","dateUpdated":"2025-04-15T19:20:34.689Z","assignerShortName":"talos","assignerOrgId":"b86d76f8-0f8a-4a96-a78d-d8abfc7fc29b","dateReserved":"2021-09-01T00:00:00.000Z"},"containers":{"cna":{"descriptions":[{"lang":"en","value":"An OS command injection vulnerability exists in the device network settings functionality of reolink RLC-410W v3.0.0.136_20121102. At [1] or [2], based on DDNS type, the ddns->username variable, that has the value of the userName parameter provided through the SetDdns API, is not validated properly. This would lead to an OS command injection."}],"affected":[{"vendor":"n/a","product":"n/a","versions":[{"version":"n/a","status":"affected"}]}],"references":[{"url":"https://talosintelligence.com/vulnerability_reports/TALOS-2021-1424","tags":["x_refsource_MISC"]}],"metrics":[{"cvssV3_0":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"HIGH","baseScore":9.1,"baseSeverity":"CRITICAL","confidentialityImpact":"HIGH","integrityImpact":"HIGH","privilegesRequired":"HIGH","scope":"CHANGED","userInteraction":"NONE","vectorString":"CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H","version":"3.0"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-78","description":"CWE-78: Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')","lang":"en","type":"CWE"}]}],"providerMetadata":{"shortName":"talos","dateUpdated":"2022-01-28T19:10:13.000Z","orgId":"b86d76f8-0f8a-4a96-a78d-d8abfc7fc29b"},"x_legacyV4Record":{"CVE_data_meta":{"ASSIGNER":"talos-cna@cisco.com","ID":"CVE-2021-40408","STATE":"PUBLIC"},"affects":{"vendor":{"vendor_data":[{"product":{"product_data":[{"product_name":"n/a","version":{"version_data":[{"version_value":"n/a"}]}}]},"vendor_name":"n/a"}]}},"data_format":"MITRE","data_type":"CVE","data_version":"4.0","description":{"description_data":[{"lang":"eng","value":"An OS command injection vulnerability exists in the device network settings functionality of reolink RLC-410W v3.0.0.136_20121102. At [1] or [2], based on DDNS type, the ddns->username variable, that has the value of the userName parameter provided through the SetDdns API, is not validated properly. This would lead to an OS command injection."}]},"impact":{"cvss":{"baseScore":9.1,"baseSeverity":"Critical","vectorString":"CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H","version":"3.0"}},"problemtype":{"problemtype_data":[{"description":[{"lang":"eng","value":"CWE-78: Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')"}]}]},"references":{"reference_data":[{"name":"https://talosintelligence.com/vulnerability_reports/TALOS-2021-1424","refsource":"MISC","url":"https://talosintelligence.com/vulnerability_reports/TALOS-2021-1424"}]}}},"adp":[{"title":"CVE Program Container","references":[{"url":"https://talosintelligence.com/vulnerability_reports/TALOS-2021-1424","tags":["x_refsource_MISC","x_transferred"]}],"providerMetadata":{"shortName":"CVE","orgId":"af854a3a-2127-422b-91ae-364da2661108","dateUpdated":"2024-08-04T02:44:10.112Z"}},{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2025-04-15T18:24:18.335900Z","id":"CVE-2021-40408","options":[{"Exploitation":"poc"},{"Automatable":"no"},{"Technical Impact":"total"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2025-04-15T19:20:34.689Z"}}]}}}