{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-5851","assignerOrgId":"1af790b2-7ee1-4545-860a-a788eba489b5","state":"PUBLISHED","assignerShortName":"VulDB","dateReserved":"2026-04-08T19:19:56.874Z","datePublished":"2026-04-09T06:00:16.723Z","dateUpdated":"2026-04-09T12:13:58.251Z"},"containers":{"cna":{"providerMetadata":{"orgId":"1af790b2-7ee1-4545-860a-a788eba489b5","shortName":"VulDB","dateUpdated":"2026-04-09T06:00:16.723Z"},"title":"Totolink A7100RU CGI cstecgi.cgi setUPnPCfg 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":"A7100RU","versions":[{"version":"7.4cu.2313_b20191024","status":"affected"}],"cpes":["cpe:2.3:o:totolink:a7100ru_firmware:*:*:*:*:*:*:*:*"],"modules":["CGI Handler"]}],"descriptions":[{"lang":"en","value":"A security flaw has been discovered in Totolink A7100RU 7.4cu.2313_b20191024. This impacts the function setUPnPCfg of the file /cgi-bin/cstecgi.cgi of the component CGI Handler. The manipulation of the argument enable results in os command injection. The attack can be executed remotely. The exploit has been released to the public and may be used for attacks."}],"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":"2026-04-08T00:00:00.000Z","lang":"en","value":"Advisory disclosed"},{"time":"2026-04-08T02:00:00.000Z","lang":"en","value":"VulDB entry created"},{"time":"2026-04-08T21:25:27.000Z","lang":"en","value":"VulDB entry last update"}],"credits":[{"lang":"en","value":"LtzHust2 (VulDB User)","type":"reporter"}],"references":[{"url":"https://vuldb.com/vuln/356377","name":"VDB-356377 | Totolink A7100RU CGI cstecgi.cgi setUPnPCfg os command injection","tags":["vdb-entry","technical-description"]},{"url":"https://vuldb.com/vuln/356377/cti","name":"VDB-356377 | CTI Indicators (IOB, IOC, TTP, IOA)","tags":["signature","permissions-required"]},{"url":"https://vuldb.com/submit/791271","name":"Submit #791271 | Totolink A7100RU 7.4cu.2313_b20191024 Command Injection","tags":["third-party-advisory"]},{"url":"https://github.com/Litengzheng/vuldb_new/blob/main/A7100RU/vul_157/README.md","tags":["exploit"]},{"url":"https://www.totolink.net/","tags":["product"]}]},"adp":[{"metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-04-09T12:13:51.781719Z","id":"CVE-2026-5851","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":"2026-04-09T12:13:58.251Z"}}]}}