{"id":"CVE-2026-91853","state":"PUBLISHED","title":"TOTOLINK X5000R Export Ovpn cstecgi.cgi exportOvpn os command injection","description":"A vulnerability has been found in TOTOLINK X5000R 9.1.0cu.2089_B20211224. The impacted element is the function exportOvpn of the file /cgi-bin/cstecgi.cgi?action=exportOvpn&type=user of the component Export Ovpn Handler. The manipulation of the argument filetype leads to os command injection. The attack can be initiated remotely. The exploit has been disclosed to the public and may be used.","publishedAt":"2026-09-15T16:15:08.541Z","updatedAt":"2026-09-15T17:27:58.888Z","severity":{"score":5.3,"label":"Medium","version":"4.0","vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:L/SI:L/SA:L/E:P","source":"VulDB"},"assigner":"VulDB","products":["TOTOLINK X5000R"],"affected":[{"vendor":"TOTOLINK","product":"X5000R","versions":[{"version":"9.1.0cu.2089_B20211224","status":"affected"}],"cpes":["cpe:2.3:o:totolink:x5000r_firmware:*:*:*:*:*:*:*:*"],"modules":["Export Ovpn Handler"]}],"references":["https://vuldb.com/vuln/404082","https://vuldb.com/vuln/404082/cti","https://vuldb.com/cve/CVE-2026-91853","https://vuldb.com/submit/933810","https://github.com/awigwu76/TOTOLINK_X5000R/blob/main/2.md","https://www.totolink.net/"],"weaknesses":["CWE-78","CWE-77"],"ingestedAt":"2026-10-29T20:13:34.582Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/91xxx/CVE-2026-91853.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-91853","state":"PUBLISHED","datePublished":"2026-09-15T16:15:08.541Z","dateUpdated":"2026-09-15T17:27:58.888Z","assignerShortName":"VulDB","assignerOrgId":"1af790b2-7ee1-4545-860a-a788eba489b5","dateReserved":"2026-09-15T09:03:34.562Z"},"containers":{"cna":{"title":"TOTOLINK X5000R Export Ovpn cstecgi.cgi exportOvpn os command injection","descriptions":[{"lang":"en","value":"A vulnerability has been found in TOTOLINK X5000R 9.1.0cu.2089_B20211224. The impacted element is the function exportOvpn of the file /cgi-bin/cstecgi.cgi?action=exportOvpn&type=user of the component Export Ovpn Handler. The manipulation of the argument filetype leads to os command injection. The attack can be initiated remotely. The exploit has been disclosed to the public and may be used."}],"affected":[{"vendor":"TOTOLINK","product":"X5000R","versions":[{"version":"9.1.0cu.2089_B20211224","status":"affected"}],"cpes":["cpe:2.3:o:totolink:x5000r_firmware:*:*:*:*:*:*:*:*"],"modules":["Export Ovpn Handler"]}],"references":[{"url":"https://vuldb.com/vuln/404082","name":"VDB-404082 | TOTOLINK X5000R Export Ovpn cstecgi.cgi exportOvpn os command injection","tags":["vdb-entry","technical-description"]},{"url":"https://vuldb.com/vuln/404082/cti","name":"VDB-404082 | CTI Indicators (IOB, IOC, TTP, IOA)","tags":["signature","permissions-required"]},{"url":"https://vuldb.com/cve/CVE-2026-91853","name":"CVE-2026-91853 | CVE Analysis and Report","tags":["third-party-advisory"]},{"url":"https://vuldb.com/submit/933810","name":"Submit #933810 | TOTOLINK X5000R V9.1.0cu.2089_B20211224 Command Injection","tags":["third-party-advisory"]},{"url":"https://github.com/awigwu76/TOTOLINK_X5000R/blob/main/2.md","tags":["exploit"]},{"url":"https://www.totolink.net/","tags":["product"]}],"metrics":[{"cvssV4_0":{"version":"4.0","baseScore":5.3,"vectorString":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:L/SI:L/SA:L/E:P","baseSeverity":"MEDIUM"}},{"cvssV3_1":{"version":"3.1","baseScore":7.4,"vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:L/E:P/RL:X/RC:R","baseSeverity":"HIGH"}},{"cvssV3_0":{"version":"3.0","baseScore":7.4,"vectorString":"CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:L/E:P/RL:X/RC:R","baseSeverity":"HIGH"}},{"cvssV2_0":{"version":"2.0","baseScore":6.5,"vectorString":"AV:N/AC:L/Au:S/C:P/I:P/A:P/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":"2026-09-15T16:15:08.541Z"},"timeline":[{"time":"2026-09-15T00:00:00.000Z","lang":"en","value":"Advisory disclosed"},{"time":"2026-09-15T02:00:00.000Z","lang":"en","value":"VulDB entry created"},{"time":"2026-09-15T11:08:39.000Z","lang":"en","value":"VulDB entry last update"}],"credits":[{"lang":"en","value":"awigwu76 (VulDB User)","type":"reporter"}],"x_generator":["VulDB PVTS v202609"]},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-09-15T17:27:52.615045Z","id":"CVE-2026-91853","options":[{"Exploitation":"poc"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-09-15T17:27:58.888Z"}}]}}}