{"id":"CVE-2026-7121","state":"PUBLISHED","title":"Totolink A8000RU CGI cstecgi.cgi setWizardCfg os command injection","description":"A flaw has been found in Totolink A8000RU 7.1cu.643_b20200521. This affects the function setWizardCfg of the file /cgi-bin/cstecgi.cgi of the component CGI Handler. This manipulation of the argument wizard causes os command injection. It is possible to initiate the attack remotely. The exploit has been published and may be used.","publishedAt":"2026-04-27T11:45:11.867Z","updatedAt":"2026-04-27T16:33:13.523Z","severity":{"score":9.3,"label":"Critical","version":"4.0","vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P","source":"VulDB"},"assigner":"VulDB","products":["Totolink A8000RU"],"affected":[{"vendor":"Totolink","product":"A8000RU","versions":[{"version":"7.1cu.643_b20200521","status":"affected"}],"cpes":["cpe:2.3:o:totolink:a8000ru_firmware:*:*:*:*:*:*:*:*"],"modules":["CGI Handler"]}],"references":["https://vuldb.com/vuln/359720","https://vuldb.com/vuln/359720/cti","https://vuldb.com/submit/800933","https://github.com/Litengzheng/vuldb_new2/blob/main/A8000RU/vul_306/README.md","https://www.totolink.net/"],"weaknesses":["CWE-78","CWE-77"],"ingestedAt":"2026-10-29T20:13:07.220Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/7xxx/CVE-2026-7121.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-7121","state":"PUBLISHED","datePublished":"2026-04-27T11:45:11.867Z","dateUpdated":"2026-04-27T16:33:13.523Z","assignerShortName":"VulDB","assignerOrgId":"1af790b2-7ee1-4545-860a-a788eba489b5","dateReserved":"2026-04-26T19:12:55.518Z"},"containers":{"cna":{"title":"Totolink A8000RU CGI cstecgi.cgi setWizardCfg os command injection","descriptions":[{"lang":"en","value":"A flaw has been found in Totolink A8000RU 7.1cu.643_b20200521. This affects the function setWizardCfg of the file /cgi-bin/cstecgi.cgi of the component CGI Handler. This manipulation of the argument wizard causes os command injection. It is possible to initiate the attack remotely. The exploit has been published and may be used."}],"affected":[{"vendor":"Totolink","product":"A8000RU","versions":[{"version":"7.1cu.643_b20200521","status":"affected"}],"cpes":["cpe:2.3:o:totolink:a8000ru_firmware:*:*:*:*:*:*:*:*"],"modules":["CGI Handler"]}],"references":[{"url":"https://vuldb.com/vuln/359720","name":"VDB-359720 | Totolink A8000RU CGI cstecgi.cgi setWizardCfg os command injection","tags":["vdb-entry","technical-description"]},{"url":"https://vuldb.com/vuln/359720/cti","name":"VDB-359720 | CTI Indicators (IOB, IOC, TTP, IOA)","tags":["signature","permissions-required"]},{"url":"https://vuldb.com/submit/800933","name":"Submit #800933 | Totolink A8000RU 7.1cu.643_b20200521 Command Injection","tags":["third-party-advisory"]},{"url":"https://github.com/Litengzheng/vuldb_new2/blob/main/A8000RU/vul_306/README.md","tags":["exploit"]},{"url":"https://www.totolink.net/","tags":["product"]}],"metrics":[{"cvssV4_0":{"version":"4.0","baseScore":9.3,"vectorString":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P","baseSeverity":"CRITICAL"}},{"cvssV3_1":{"version":"3.1","baseScore":9.8,"vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:P/RL:X/RC:R","baseSeverity":"CRITICAL"}},{"cvssV3_0":{"version":"3.0","baseScore":9.8,"vectorString":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:P/RL:X/RC:R","baseSeverity":"CRITICAL"}},{"cvssV2_0":{"version":"2.0","baseScore":10,"vectorString":"AV:N/AC:L/Au:N/C:C/I:C/A:C/E:POC/RL:ND/RC:UR"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-78","type":"CWE","lang":"en","description":"OS Command Injection"}]},{"descriptions":[{"cweId":"CWE-77","type":"CWE","lang":"en","description":"Command Injection"}]}],"providerMetadata":{"shortName":"VulDB","orgId":"1af790b2-7ee1-4545-860a-a788eba489b5","dateUpdated":"2026-04-27T11:45:11.867Z"},"timeline":[{"time":"2026-04-26T00:00:00.000Z","lang":"en","value":"Advisory disclosed"},{"time":"2026-04-26T02:00:00.000Z","lang":"en","value":"VulDB entry created"},{"time":"2026-04-26T21:18:14.000Z","lang":"en","value":"VulDB entry last update"}],"credits":[{"lang":"en","value":"LtzHuster2 (VulDB User)","type":"reporter"}]},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-04-27T16:32:28.524093Z","id":"CVE-2026-7121","options":[{"Exploitation":"poc"},{"Automatable":"yes"},{"Technical Impact":"total"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-04-27T16:33:13.523Z"}}]}}}