{"id":"CVE-2016-6669","url":"https://www.cyber-defence.io/tools/cve/CVE-2016-6669","generatedAt":"2026-10-29T00:33:00.026Z","title":"Buffer overflow in the Authentication, Authorization and Accounting (AAA) module in Huawei USG2100, USG2200, USG5100, and USG5500 unified security gateways with software before V300R001C10SPC600 allows remote authenticated RADIUS servers to execute…","description":"Buffer overflow in the Authentication, Authorization and Accounting (AAA) module in Huawei USG2100, USG2200, USG5100, and USG5500 unified security gateways with software before V300R001C10SPC600 allows remote authenticated RADIUS servers to execute arbitrary code by sending a crafted EAP packet.","published":"2016-09-22T15:59:06.000Z","lastModified":"2026-06-17T00:51:34.000Z","status":"Modified","sourceIdentifier":"cve@mitre.org","cvss":{"version":"3.0","score":7.5,"severity":"HIGH","vector":"CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H"},"cwe":["CWE-119"],"affected":["huawei/usg2100 firmware","huawei/usg2200 firmware","huawei/usg5100 firmware","huawei/usg5500 firmware"],"epss":{"score":0.03327,"percentile":0.88545,"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":"high","text":"High impact if exploited, but EPSS currently rates exploitation as unlikely (3.33%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit."},"changes":[],"references":[{"url":"http://www.huawei.com/en/psirt/security-advisories/huawei-sa-20160810-01-usg-en","tags":["VDB Entry"],"source":"cve@mitre.org"},{"url":"http://www.securityfocus.com/bid/92441","source":"cve@mitre.org"},{"url":"http://www.huawei.com/en/psirt/security-advisories/huawei-sa-20160810-01-usg-en","tags":["VDB Entry"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.securityfocus.com/bid/92441","source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2016-6669","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."}