{"id":"CVE-2020-29056","url":"https://www.cyber-defence.io/tools/cve/CVE-2020-29056","generatedAt":"2026-10-27T23:43:22.479Z","title":"An issue was discovered on CDATA 72408A, 9008A, 9016A, 92408A, 92416A, 9288, 97016, 97024P, 97028P, 97042P, 97084P, 97168P, FD1002S, FD1104, FD1104B, FD1104S, FD1104SN, FD1108S, FD1204S-R2, FD1204SN, FD1204SN-R2, FD1208S-R2, FD1216S-R1, FD1608GS,…","description":"An issue was discovered on CDATA 72408A, 9008A, 9016A, 92408A, 92416A, 9288, 97016, 97024P, 97028P, 97042P, 97084P, 97168P, FD1002S, FD1104, FD1104B, FD1104S, FD1104SN, FD1108S, FD1204S-R2, FD1204SN, FD1204SN-R2, FD1208S-R2, FD1216S-R1, FD1608GS, FD1608SN, FD1616GS, FD1616SN, and FD8000 devices. One can escape from a shell and acquire root privileges by leveraging the TFTP download configuration.","published":"2020-11-24T21:15:12.000Z","lastModified":"2026-06-17T03:11:02.000Z","status":"Modified","sourceIdentifier":"cve@mitre.org","cvss":{"version":"3.1","score":9.8,"severity":"CRITICAL","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"},"cwe":["CWE-78"],"affected":["cdatatec/72408a firmware","cdatatec/9008a firmware","cdatatec/9016a firmware","cdatatec/92408a firmware","cdatatec/92416a firmware","cdatatec/9288 firmware","cdatatec/97016 firmware","cdatatec/97024p firmware","cdatatec/97028p firmware","cdatatec/97042p firmware","cdatatec/97084p firmware","cdatatec/97168p firmware","cdatatec/fd1002s firmware","cdata/fd1104 firmware","cdatatec/fd1104 firmware","cdatatec/fd1104b firmware","cdatatec/fd1104s firmware","cdatatec/fd1104sn firmware","cdatatec/fd1108s firmware","cdatatec/fd1204s-r2 firmware","cdatatec/fd1204sn firmware","cdatatec/fd1204sn-r2 firmware","cdatatec/fd1208s-r2 firmware","cdatatec/fd1216s-r1 firmware","cdatatec/fd1608gs firmware","cdatatec/fd1608sn firmware","cdatatec/fd1616gs firmware","cdatatec/fd1616sn firmware","cdatatec/fd8000 firmware"],"epss":{"score":0.02018,"percentile":0.80796,"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 (2.02%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit."},"changes":[],"references":[{"url":"https://pierrekim.github.io/blog/2020-07-07-cdata-olt-0day-vulnerabilities.html","tags":["Exploit","Third Party Advisory"],"source":"cve@mitre.org"},{"url":"https://pierrekim.github.io/blog/2020-07-07-cdata-olt-0day-vulnerabilities.html","tags":["Exploit","Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2020-29056","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."}