{"id":"CVE-2020-22079","url":"https://www.cyber-defence.io/tools/cve/CVE-2020-22079","generatedAt":"2026-10-27T23:29:56.056Z","title":"Stack-based buffer overflow in Tenda AC-10U AC1200 Router US_AC10UV1.0RTL_V15.03.06.48_multi_TDE01 allows remote attackers to execute arbitrary code via the timeZone parameter to goform/SetSysTimeCfg.","description":"Stack-based buffer overflow in Tenda AC-10U AC1200 Router US_AC10UV1.0RTL_V15.03.06.48_multi_TDE01 allows remote attackers to execute arbitrary code via the timeZone parameter to goform/SetSysTimeCfg.","published":"2021-10-29T11:15:08.000Z","lastModified":"2026-06-17T03:04:07.000Z","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-787"],"affected":["tendacn/ac10u firmware","tendacn/ac9 firmware"],"epss":{"score":0.0417,"percentile":0.90827,"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 (4.17%). 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/121.html","tags":["Technical Description"],"source":"cve@mitre.org"},{"url":"https://github.com/1sd3d/Tendown/tree/master/PoCs/Auth/bof11","tags":["Broken Link"],"source":"cve@mitre.org"},{"url":"https://github.com/Lyc-heng/routers/blob/main/routers/stack1.md","tags":["Exploit","Third Party Advisory"],"source":"cve@mitre.org"},{"url":"https://cwe.mitre.org/data/definitions/121.html","tags":["Technical Description"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://github.com/1sd3d/Tendown/tree/master/PoCs/Auth/bof11","tags":["Broken Link"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://github.com/Lyc-heng/routers/blob/main/routers/stack1.md","tags":["Exploit","Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2020-22079","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."}