{"id":"CVE-2021-37386","url":"https://www.cyber-defence.io/tools/cve/CVE-2021-37386","generatedAt":"2026-10-27T19:57:50.373Z","title":"Furukawa Electric LatAm 423-41W/AC before v1.1.4 and LD421-21W before v1.3.3 were discovered to contain an HTML injection vulnerability via the serial number update function.","description":"Furukawa Electric LatAm 423-41W/AC before v1.1.4 and LD421-21W before v1.3.3 were discovered to contain an HTML injection vulnerability via the serial number update function.","published":"2023-07-17T17:15:09.000Z","lastModified":"2026-06-17T04:00:27.000Z","status":"Modified","sourceIdentifier":"cve@mitre.org","cvss":{"version":"3.1","score":7.5,"severity":"HIGH","vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:H"},"cwe":["CWE-79"],"affected":["furukawa/423-41w\\/ac firmware","furukawa/ld421-21w firmware","furukawa/ld420-10r firmware","furukawa/ld421-21wv firmware"],"epss":{"score":0.00544,"percentile":0.4539,"date":"2026-10-26","history":[]},"kev":{"listed":false},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"high","text":"High impact if exploited, but EPSS currently rates exploitation as unlikely (0.54%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit."},"changes":[],"references":[{"url":"https://cwe.mitre.org/data/definitions/79.html","tags":["Not Applicable"],"source":"cve@mitre.org"},{"url":"https://gist.githubusercontent.com/LuigiPolidorio/ec78daac7c3d97966f2e3703ca5d1685/raw/d64a487407d6f9685d3907206954a6c84c6fa621/reference.txt","tags":["Third Party Advisory"],"source":"cve@mitre.org"},{"url":"https://owasp.org/www-project-web-security-testing-guide/latest/4-Web_Application_Security_Testing/11-Client-side_Testing/03-Testing_for_HTML_Injection","tags":["Not Applicable"],"source":"cve@mitre.org"},{"url":"https://www.softwall.com.br/cves/publicacao-rce-html-injection-furukawa/","source":"cve@mitre.org"},{"url":"https://cwe.mitre.org/data/definitions/79.html","tags":["Not Applicable"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://gist.githubusercontent.com/LuigiPolidorio/ec78daac7c3d97966f2e3703ca5d1685/raw/d64a487407d6f9685d3907206954a6c84c6fa621/reference.txt","tags":["Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://owasp.org/www-project-web-security-testing-guide/latest/4-Web_Application_Security_Testing/11-Client-side_Testing/03-Testing_for_HTML_Injection","tags":["Not Applicable"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://www.softwall.com.br/cves/publicacao-rce-html-injection-furukawa/","source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2021-37386","epss":"https://www.first.org/epss/","kev":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","exploitdb":"https://www.exploit-db.com/"},"licence":"CC BY 4.0 — link back to the CVE Explorer if you publish the results; upstream data remains subject to its own terms."}