{"id":"CVE-2026-5852","state":"PUBLISHED","title":"Totolink A7100RU CGI cstecgi.cgi setIptvCfg os command injection","description":"A weakness has been identified in Totolink A7100RU 7.4cu.2313_b20191024. Affected is the function setIptvCfg of the file /cgi-bin/cstecgi.cgi of the component CGI Handler. This manipulation of the argument igmpVer causes os command injection. The attack is possible to be carried out remotely. The exploit has been made available to the public and could be used for attacks.","publishedAt":"2026-04-09T06:15:15.694Z","updatedAt":"2026-04-09T16:15:44.029Z","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 A7100RU"],"affected":[{"vendor":"Totolink","product":"A7100RU","versions":[{"version":"7.4cu.2313_b20191024","status":"affected"}],"cpes":["cpe:2.3:o:totolink:a7100ru_firmware:*:*:*:*:*:*:*:*"],"modules":["CGI Handler"]}],"references":["https://vuldb.com/vuln/356378","https://vuldb.com/vuln/356378/cti","https://vuldb.com/submit/791272","https://github.com/Litengzheng/vuldb_new/blob/main/A7100RU/vul_158/README.md","https://www.totolink.net/"],"weaknesses":["CWE-78","CWE-77"],"ingestedAt":"2026-10-29T20:12:32.778Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/5xxx/CVE-2026-5852.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-5852","state":"PUBLISHED","datePublished":"2026-04-09T06:15:15.694Z","dateUpdated":"2026-04-09T16:15:44.029Z","assignerShortName":"VulDB","assignerOrgId":"1af790b2-7ee1-4545-860a-a788eba489b5","dateReserved":"2026-04-08T19:20:00.391Z"},"containers":{"cna":{"title":"Totolink A7100RU CGI cstecgi.cgi setIptvCfg os command injection","descriptions":[{"lang":"en","value":"A weakness has been identified in Totolink A7100RU 7.4cu.2313_b20191024. Affected is the function setIptvCfg of the file /cgi-bin/cstecgi.cgi of the component CGI Handler. This manipulation of the argument igmpVer causes os command injection. The attack is possible to be carried out remotely. The exploit has been made available to the public and could be used for attacks."}],"affected":[{"vendor":"Totolink","product":"A7100RU","versions":[{"version":"7.4cu.2313_b20191024","status":"affected"}],"cpes":["cpe:2.3:o:totolink:a7100ru_firmware:*:*:*:*:*:*:*:*"],"modules":["CGI Handler"]}],"references":[{"url":"https://vuldb.com/vuln/356378","name":"VDB-356378 | Totolink A7100RU CGI cstecgi.cgi setIptvCfg os command injection","tags":["vdb-entry","technical-description"]},{"url":"https://vuldb.com/vuln/356378/cti","name":"VDB-356378 | CTI Indicators (IOB, IOC, TTP, IOA)","tags":["signature","permissions-required"]},{"url":"https://vuldb.com/submit/791272","name":"Submit #791272 | Totolink A7100RU 7.4cu.2313_b20191024 Command Injection","tags":["third-party-advisory"]},{"url":"https://github.com/Litengzheng/vuldb_new/blob/main/A7100RU/vul_158/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":"2026-04-09T06:15:15.694Z"},"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":"2026-04-08T21:25:29.000Z","lang":"en","value":"VulDB entry last update"}],"credits":[{"lang":"en","value":"LtzHust2 (VulDB User)","type":"reporter"}]},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-04-09T14:28:07.170065Z","id":"CVE-2026-5852","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":"2026-04-09T16:15:44.029Z"}}]}}}