{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-9404","assignerOrgId":"1af790b2-7ee1-4545-860a-a788eba489b5","state":"PUBLISHED","assignerShortName":"VulDB","dateReserved":"2026-05-24T06:27:20.408Z","datePublished":"2026-05-24T23:00:24.401Z","dateUpdated":"2026-05-29T18:17:12.314Z"},"containers":{"cna":{"providerMetadata":{"orgId":"1af790b2-7ee1-4545-860a-a788eba489b5","shortName":"VulDB","dateUpdated":"2026-05-24T23:00:24.401Z"},"title":"Totolink A8000RU Web Management cstecgi.cgi setDdnsCfg os command injection","problemTypes":[{"descriptions":[{"type":"CWE","cweId":"CWE-78","lang":"en","description":"OS Command Injection"}]},{"descriptions":[{"type":"CWE","cweId":"CWE-77","lang":"en","description":"Command Injection"}]}],"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"]}],"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."}],"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"}}],"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"}],"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"]}]},"adp":[{"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"}}}],"title":"CISA ADP Vulnrichment","providerMetadata":{"orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP","dateUpdated":"2026-05-29T18:17:12.314Z"}}]}}