{"id":"CVE-2021-42877","title":"TOTOLINK EX1200T V4.1.2cu.5215 contains a denial of service vulnerability in function RebootSystem of the file lib/cste_modules/system which can reboot the system.","summary":"TOTOLINK EX1200T V4.1.2cu.5215 contains a denial of service vulnerability in function RebootSystem of the file lib/cste_modules/system which can reboot the system.","severity":"high","cvss":7.5,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","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-2021-42877","references":[{"url":"http://totolink.net/","label":"cve@mitre.org"},{"url":"https://github.com/p1Kk/vuln/blob/main/totolink_ex1200t_reboot.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_reboot.md","label":"af854a3a-2127-422b-91ae-364da2661108"}],"tags":["nvd"],"epss":0.01668,"epssPercentile":0.75363,"ingestedAt":"2026-07-06T17:03:24.404Z","slug":"CVE-2021-42877","body":"## Overview\n\nTOTOLINK EX1200T V4.1.2cu.5215 contains a denial of service vulnerability in function RebootSystem of the file lib/cste_modules/system which can reboot the system.\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":"twilight","depthScore":42,"depthScoreParts":{"impact":41.3,"likelihood":0.3,"exploitation":0,"ransomware":0},"changes":[]}