{"id":"CVE-2017-3216","url":"https://www.cyber-defence.io/tools/cve/CVE-2017-3216","generatedAt":"2026-10-29T03:45:06.197Z","title":"WiMAX routers based on the MediaTek SDK (libmtk) that use a custom httpd plugin are vulnerable to an authentication bypass allowing a remote, unauthenticated attacker to gain administrator access to the device by performing an administrator password…","description":"WiMAX routers based on the MediaTek SDK (libmtk) that use a custom httpd plugin are vulnerable to an authentication bypass allowing a remote, unauthenticated attacker to gain administrator access to the device by performing an administrator password change on the device via a crafted POST request.","published":"2017-06-20T00:29:00.000Z","lastModified":"2026-06-17T01:17:45.000Z","status":"Modified","sourceIdentifier":"cret@cert.org","cvss":{"version":"3.0","score":9.8,"severity":"CRITICAL","vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"},"cwe":["CWE-306"],"affected":["greenpacket/ox350 firmware","huawei/bm2022 firmware","huawei/hes-309m firmware","huawei/hes-319m firmware","huawei/hes-319m2w firmware","huawei/hes-339m firmware","mada/soho wireless router firmware","zte/ox-330p firmware","zyxel/max218m firmware","zyxel/max218m1w firmware","zyxel/max218mw firmware","zyxel/max308m fimware","zyxel/max318m firmware","zyxel/max338m firmware"],"epss":{"score":0.05175,"percentile":0.92421,"date":"2026-10-28","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 (5.17%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit."},"changes":[],"references":[{"url":"http://blog.sec-consult.com/2017/06/ghosts-from-past-authentication-bypass.html","tags":["Third Party Advisory"],"source":"cret@cert.org"},{"url":"http://www.kb.cert.org/vuls/id/350135","tags":["Mitigation","Third Party Advisory","US Government Resource"],"source":"cret@cert.org"},{"url":"https://sec-consult.com/fxdata/seccons/prod/temedia/advisories_txt/20170607-0_Various_WiMAX_CPEs_Authentication_Bypass_v10.txt","tags":["Exploit","Third Party Advisory"],"source":"cret@cert.org"},{"url":"http://blog.sec-consult.com/2017/06/ghosts-from-past-authentication-bypass.html","tags":["Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.kb.cert.org/vuls/id/350135","tags":["Mitigation","Third Party Advisory","US Government Resource"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://sec-consult.com/fxdata/seccons/prod/temedia/advisories_txt/20170607-0_Various_WiMAX_CPEs_Authentication_Bypass_v10.txt","tags":["Exploit","Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2017-3216","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."}