{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-9455","assignerOrgId":"1af790b2-7ee1-4545-860a-a788eba489b5","state":"PUBLISHED","assignerShortName":"VulDB","dateReserved":"2026-05-24T07:57:20.194Z","datePublished":"2026-05-25T11:45:11.430Z","dateUpdated":"2026-05-26T13:17:14.658Z"},"containers":{"cna":{"providerMetadata":{"orgId":"1af790b2-7ee1-4545-860a-a788eba489b5","shortName":"VulDB","dateUpdated":"2026-05-25T11:45:11.430Z"},"title":"Totolink A8000RU Web Management cstecgi.cgi UploadOpenVpnCert 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 has been found in Totolink A8000RU 7.1cu.643_b20200521. This issue affects the function UploadOpenVpnCert of the file /cgi-bin/cstecgi.cgi of the component Web Management Interface. The manipulation of the argument FileName leads to os command injection. Remote exploitation of the attack is possible. The exploit has been disclosed to the public and may 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":"2026-05-24T10:03:23.000Z","lang":"en","value":"VulDB entry last update"}],"credits":[{"lang":"en","value":"LtzHust (VulDB User)","type":"reporter"}],"references":[{"url":"https://vuldb.com/vuln/365436","name":"VDB-365436 | Totolink A8000RU Web Management cstecgi.cgi UploadOpenVpnCert os command injection","tags":["vdb-entry","technical-description"]},{"url":"https://vuldb.com/vuln/365436/cti","name":"VDB-365436 | CTI Indicators (IOB, IOC, TTP, IOA)","tags":["signature","permissions-required"]},{"url":"https://vuldb.com/submit/813449","name":"Submit #813449 | Totolink A8000RU 7.1cu.643_b20200521 Command Injection","tags":["third-party-advisory"]},{"url":"https://github.com/Litengzheng/vuldb_new2/blob/main/A8000RU/vul_342/README.md","tags":["exploit"]},{"url":"https://www.totolink.net/","tags":["product"]}]},"adp":[{"metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-05-26T13:17:06.852739Z","id":"CVE-2026-9455","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":"2026-05-26T13:17:14.658Z"}}]}}