{"id":"CVE-2021-44620","title":"A Command Injection vulnerability exits in TOTOLINK A3100R <=V4.1.2cu.5050_B20200504 in adm/ntm.asp via the hosTime parameters.","summary":"A Command Injection vulnerability exits in TOTOLINK A3100R <=V4.1.2cu.5050_B20200504 in adm/ntm.asp via the hosTime parameters.","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-77"],"vendor":"totolink","product":"a3100r_firmware","affected":["a3100r_firmware <= 4.1.2cu.5050_b20200504"],"published":"2022-03-11","updated":"2026-07-05","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2021-44620","references":[{"url":"https://drive.google.com/file/d/1_9ru2GRZ13T1KQKXPq2E14-opgf9ih45/view?usp=sharing","label":"cve@mitre.org"},{"url":"https://www.totolink.net/home/menu/newstpl/menu_newstpl/products/id/170.html","label":"nvd@nist.gov"},{"url":"http://a3100r.com","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://totolink.com","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://drive.google.com/file/d/1_9ru2GRZ13T1KQKXPq2E14-opgf9ih45/view?usp=sharing","label":"af854a3a-2127-422b-91ae-364da2661108"}],"tags":["nvd"],"epss":0.0135,"epssPercentile":0.70274,"ingestedAt":"2026-07-06T02:09:23.436Z","slug":"CVE-2021-44620","body":"## Overview\n\nA Command Injection vulnerability exits in TOTOLINK A3100R <=V4.1.2cu.5050_B20200504 in adm/ntm.asp via the hosTime parameters.\n\n## Affected\n\n- `a3100r_firmware <= 4.1.2cu.5050_b20200504`\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"midnight","depthScore":54,"depthScoreParts":{"impact":53.9,"likelihood":0.3,"exploitation":0,"ransomware":0},"changes":[]}