{"id":"CVE-2021-39509","state":"PUBLISHED","title":"An issue was discovered in D-Link DIR-816 DIR-816A2_FWv1.10CNB05_R1B011D88210 The HTTP request parameter is used in the handler function of /goform/form2userconfig.cgi route, which","description":"An issue was discovered in D-Link DIR-816 DIR-816A2_FWv1.10CNB05_R1B011D88210 The HTTP request parameter is used in the handler function of /goform/form2userconfig.cgi route, which can construct the user name string to delete the user function. This can lead to command injection through shell metacharacters.","publishedAt":"2021-08-24T18:52:26.000Z","updatedAt":"2024-08-04T02:06:42.548Z","severity":null,"assigner":"mitre","products":["n/a n/a"],"affected":[{"vendor":"n/a","product":"n/a","versions":[{"version":"n/a","status":"affected"}]}],"references":["https://www.dlink.com/en/security-bulletin/","https://github.com/doudoudedi/main-DIR-816_A2_Command-injection/blob/main/injection.md","https://github.com/doudoudedi/main-DIR-816_A2_Command-injection"],"weaknesses":[],"ingestedAt":"2026-10-29T19:48:52.666Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2021/39xxx/CVE-2021-39509.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.1","cveMetadata":{"cveId":"CVE-2021-39509","state":"PUBLISHED","datePublished":"2021-08-24T18:52:26.000Z","dateUpdated":"2024-08-04T02:06:42.548Z","assignerShortName":"mitre","assignerOrgId":"8254265b-2729-46b6-b9e3-3dfca2d5bfca","dateReserved":"2021-08-23T00:00:00.000Z"},"containers":{"cna":{"descriptions":[{"lang":"en","value":"An issue was discovered in D-Link DIR-816 DIR-816A2_FWv1.10CNB05_R1B011D88210 The HTTP request parameter is used in the handler function of /goform/form2userconfig.cgi route, which can construct the user name string to delete the user function. This can lead to command injection through shell metacharacters."}],"affected":[{"vendor":"n/a","product":"n/a","versions":[{"version":"n/a","status":"affected"}]}],"references":[{"url":"https://www.dlink.com/en/security-bulletin/","tags":["x_refsource_MISC"]},{"url":"https://github.com/doudoudedi/main-DIR-816_A2_Command-injection/blob/main/injection.md","tags":["x_refsource_MISC"]},{"url":"https://github.com/doudoudedi/main-DIR-816_A2_Command-injection","tags":["x_refsource_MISC"]}],"problemTypes":[{"descriptions":[{"description":"n/a","lang":"en","type":"text"}]}],"providerMetadata":{"shortName":"mitre","dateUpdated":"2021-08-31T17:09:30.000Z","orgId":"8254265b-2729-46b6-b9e3-3dfca2d5bfca"},"x_legacyV4Record":{"CVE_data_meta":{"ASSIGNER":"cve@mitre.org","ID":"CVE-2021-39509","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 issue was discovered in D-Link DIR-816 DIR-816A2_FWv1.10CNB05_R1B011D88210 The HTTP request parameter is used in the handler function of /goform/form2userconfig.cgi route, which can construct the user name string to delete the user function. This can lead to command injection through shell metacharacters."}]},"problemtype":{"problemtype_data":[{"description":[{"lang":"eng","value":"n/a"}]}]},"references":{"reference_data":[{"name":"https://www.dlink.com/en/security-bulletin/","refsource":"MISC","url":"https://www.dlink.com/en/security-bulletin/"},{"name":"https://github.com/doudoudedi/main-DIR-816_A2_Command-injection/blob/main/injection.md","refsource":"MISC","url":"https://github.com/doudoudedi/main-DIR-816_A2_Command-injection/blob/main/injection.md"},{"name":"https://github.com/doudoudedi/main-DIR-816_A2_Command-injection","refsource":"MISC","url":"https://github.com/doudoudedi/main-DIR-816_A2_Command-injection"}]}}},"adp":[{"title":"CVE Program Container","references":[{"url":"https://www.dlink.com/en/security-bulletin/","tags":["x_refsource_MISC","x_transferred"]},{"url":"https://github.com/doudoudedi/main-DIR-816_A2_Command-injection/blob/main/injection.md","tags":["x_refsource_MISC","x_transferred"]},{"url":"https://github.com/doudoudedi/main-DIR-816_A2_Command-injection","tags":["x_refsource_MISC","x_transferred"]}],"providerMetadata":{"shortName":"CVE","orgId":"af854a3a-2127-422b-91ae-364da2661108","dateUpdated":"2024-08-04T02:06:42.548Z"}}]}}}