{"id":"CVE-2026-9404","state":"PUBLISHED","title":"Totolink A8000RU Web Management cstecgi.cgi setDdnsCfg os command injection","description":"A vulnerability was identified in Totolink A8000RU 7.1cu.643_b20200521. This affects the function setDdnsCfg of the file /cgi-bin/cstecgi.cgi of the component Web Management Interface. Such manipulation of the argument provider leads to os command injection. The attack may be launched remotely. The exploit is publicly available and might be used.","publishedAt":"2026-05-24T23:00:24.401Z","updatedAt":"2026-05-29T18:17:12.314Z","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":["Web Management Interface"]}],"references":["https://vuldb.com/vuln/365385","https://vuldb.com/vuln/365385/cti","https://vuldb.com/submit/813439","https://github.com/Litengzheng/vuldb_new2/blob/main/A8000RU/vul_336/README.md","https://www.totolink.net/"],"weaknesses":["CWE-78","CWE-77"],"ingestedAt":"2026-10-29T20:13:52.441Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/9xxx/CVE-2026-9404.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-9404","state":"PUBLISHED","datePublished":"2026-05-24T23:00:24.401Z","dateUpdated":"2026-05-29T18:17:12.314Z","assignerShortName":"VulDB","assignerOrgId":"1af790b2-7ee1-4545-860a-a788eba489b5","dateReserved":"2026-05-24T06:27:20.408Z"},"containers":{"cna":{"title":"Totolink A8000RU Web Management cstecgi.cgi setDdnsCfg os command injection","descriptions":[{"lang":"en","value":"A vulnerability was identified in Totolink A8000RU 7.1cu.643_b20200521. This affects the function setDdnsCfg of the file /cgi-bin/cstecgi.cgi of the component Web Management Interface. Such manipulation of the argument provider leads to os command injection. The attack may be launched remotely. The exploit is publicly available and might be used."}],"affected":[{"vendor":"Totolink","product":"A8000RU","versions":[{"version":"7.1cu.643_b20200521","status":"affected"}],"cpes":["cpe:2.3:o:totolink:a8000ru_firmware:*:*:*:*:*:*:*:*"],"modules":["Web Management Interface"]}],"references":[{"url":"https://vuldb.com/vuln/365385","name":"VDB-365385 | Totolink A8000RU Web Management cstecgi.cgi setDdnsCfg os command injection","tags":["vdb-entry","technical-description"]},{"url":"https://vuldb.com/vuln/365385/cti","name":"VDB-365385 | CTI Indicators (IOB, IOC, TTP, IOA)","tags":["signature","permissions-required"]},{"url":"https://vuldb.com/submit/813439","name":"Submit #813439 | Totolink A8000RU 7.1cu.643_b20200521 Command Injection","tags":["third-party-advisory"]},{"url":"https://github.com/Litengzheng/vuldb_new2/blob/main/A8000RU/vul_336/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":"2026-05-24T23:00:24.401Z"},"timeline":[{"time":"2026-05-24T00:00:00.000Z","lang":"en","value":"Advisory disclosed"},{"time":"2026-05-24T02:00:00.000Z","lang":"en","value":"VulDB entry created"},{"time":"2026-05-24T08:32:36.000Z","lang":"en","value":"VulDB entry last update"}],"credits":[{"lang":"en","value":"LtzHuster (VulDB User)","type":"reporter"}]},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-05-29T18:16:59.637797Z","id":"CVE-2026-9404","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":"2026-05-29T18:17:12.314Z"}}]}}}