{"id":"CVE-2021-42875","title":"TOTOLINK EX1200T V4.1.2cu.5215 contains a remote command injection vulnerability in the function setDiagnosisCfg of the file lib/cste_modules/system.so to control the ipDoamin.","summary":"TOTOLINK EX1200T V4.1.2cu.5215 contains a remote command injection vulnerability in the function setDiagnosisCfg of the file lib/cste_modules/system.so to control the ipDoamin.","severity":"critical","cvss":9.8,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","cwe":["CWE-78"],"vendor":"totolink","product":"ex1200t_firmware","affected":["ex1200t_firmware = 4.1.2cu.5215"],"published":"2022-06-02","updated":"2026-07-05","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2021-42875","references":[{"url":"http://totolink.net","label":"cve@mitre.org"},{"url":"https://github.com/p1Kk/vuln/blob/main/totolink_ex1200t_ipdoamin_rce.md","label":"cve@mitre.org"},{"url":"http://ex1200t.com","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://totolink.net","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://github.com/p1Kk/vuln/blob/main/totolink_ex1200t_ipdoamin_rce.md","label":"af854a3a-2127-422b-91ae-364da2661108"}],"tags":["nvd"],"epss":0.04365,"epssPercentile":0.90846,"ingestedAt":"2026-07-06T17:03:24.403Z","slug":"CVE-2021-42875","body":"## Overview\n\nTOTOLINK EX1200T V4.1.2cu.5215 contains a remote command injection vulnerability in the function setDiagnosisCfg of the file lib/cste_modules/system.so to control the ipDoamin.\n\n## Affected\n\n- `ex1200t_firmware = 4.1.2cu.5215`\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"midnight","depthScore":55,"depthScoreParts":{"impact":53.9,"likelihood":0.9,"exploitation":0,"ransomware":0},"changes":[]}