{"id":"CVE-2020-22661","url":"https://www.cyber-defence.io/tools/cve/CVE-2020-22661","generatedAt":"2026-10-27T20:22:19.746Z","title":"In Ruckus R310 10.5.1.0.199, Ruckus R500 10.5.1.0.199, Ruckus R600 10.5.1.0.199, Ruckus T300 10.5.1.0.199, Ruckus T301n 10.5.1.0.199, Ruckus T301s 10.5.1.0.199, SmartCell Gateway 200 (SCG200) before 3.6.2.0.795, SmartZone 100 (SZ-100) before…","description":"In Ruckus R310 10.5.1.0.199, Ruckus R500 10.5.1.0.199, Ruckus R600 10.5.1.0.199, Ruckus T300 10.5.1.0.199, Ruckus T301n 10.5.1.0.199, Ruckus T301s 10.5.1.0.199, SmartCell Gateway 200 (SCG200) before 3.6.2.0.795, SmartZone 100 (SZ-100) before 3.6.2.0.795, SmartZone 300 (SZ300) before 3.6.2.0.795, Virtual SmartZone (vSZ) before 3.6.2.0.795, ZoneDirector 1100 9.10.2.0.130, ZoneDirector 1200 10.2.1.0.218, ZoneDirector 3000 10.2.1.0.218, ZoneDirector 5000 10.0.1.0.151, a vulnerability allows attackers to erase the backup secondary official image and write secondary backup unauthorized image.","published":"2023-01-20T19:15:13.000Z","lastModified":"2026-06-17T03:04:20.000Z","status":"Modified","sourceIdentifier":"cve@mitre.org","cvss":{"version":"3.1","score":6.5,"severity":"MEDIUM","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L"},"cwe":["CWE-306"],"affected":["ruckuswireless/r310 firmware","ruckuswireless/r500 firmware","ruckuswireless/r600 firmware","ruckuswireless/t300 firmware","ruckuswireless/t301n firmware","ruckuswireless/t301s firmware","ruckuswireless/scg200 firmware","ruckuswireless/sz-100 firmware","ruckuswireless/sz-300 firmware","ruckuswireless/vsz firmware","ruckuswireless/zonedirector 1100 firmware","ruckuswireless/zonedirector 1200 firmware","ruckuswireless/zonedirector 3000 firmware","ruckuswireless/zonedirector 5000 firmware"],"epss":{"score":0.00521,"percentile":0.43994,"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":"low","text":"Lower severity and a low EPSS score (0.52%). Track it; it rarely justifies an emergency change on its own."},"changes":[],"references":[{"url":"https://hdhrmi.blogspot.com/2020/03/multiple-vulnerabilities-in-ruckus.html?m=1","source":"cve@mitre.org"},{"url":"https://support.ruckuswireless.com/security_bulletins/302","tags":["Patch","Vendor Advisory"],"source":"cve@mitre.org"},{"url":"https://support.ruckuswireless.com/security_bulletins/302","tags":["Patch","Vendor Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2020-22661","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."}