{"id":"CVE-2017-11400","url":"https://www.cyber-defence.io/tools/cve/CVE-2017-11400","generatedAt":"2026-10-29T00:41:14.818Z","title":"An incomplete firmware signature allows a local attacker to upgrade the equipment (kernel, file system) with unsigned, attacker-controlled, data.","description":"An issue has been discovered on the Belden Hirschmann Tofino Xenon Security Appliance before 03.2.00. An incomplete firmware signature allows a local attacker to upgrade the equipment (kernel, file system) with unsigned, attacker-controlled, data. This occurs because the appliance_config file is signed but the .tar.sec file is unsigned.","published":"2017-11-20T15:29:00.000Z","lastModified":"2026-06-17T01:01:45.000Z","status":"Modified","sourceIdentifier":"cve@mitre.org","cvss":{"version":"3.0","score":6.8,"severity":"MEDIUM","vector":"CVSS:3.0/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"},"cwe":["CWE-347"],"affected":["belden/tofino xenon security appliance firmware"],"epss":{"score":0.00273,"percentile":0.19522,"date":"2026-10-27","history":[]},"kev":{"listed":false},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"low","text":"Lower severity and a low EPSS score (0.27%). Track it; it rarely justifies an emergency change on its own."},"changes":[],"references":[{"url":"https://github.com/airbus-seclab/security-advisories/blob/master/belden/tofino.txt","tags":["Third Party Advisory"],"source":"cve@mitre.org"},{"url":"https://www.belden.com/hubfs/support/security/bulletins/Belden-Security-Bulletin-BSECV-2017-14-1v1-1.pdf","tags":["Vendor Advisory"],"source":"cve@mitre.org"},{"url":"https://github.com/airbus-seclab/security-advisories/blob/master/belden/tofino.txt","tags":["Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://www.belden.com/hubfs/support/security/bulletins/Belden-Security-Bulletin-BSECV-2017-14-1v1-1.pdf","tags":["Vendor Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2017-11400","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."}