{"id":"CVE-2020-27302","url":"https://www.cyber-defence.io/tools/cve/CVE-2020-27302","generatedAt":"2026-10-28T06:36:09.356Z","title":"A stack buffer overflow in Realtek RTL8710 (and other Ameba-based devices) can lead to remote code execution via the \"memcpy\" function, when an attacker in Wi-Fi range sends a crafted \"Encrypted GTK\" value as part of the WPA2 4-way-handshake.","description":"A stack buffer overflow in Realtek RTL8710 (and other Ameba-based devices) can lead to remote code execution via the \"memcpy\" function, when an attacker in Wi-Fi range sends a crafted \"Encrypted GTK\" value as part of the WPA2 4-way-handshake.","published":"2021-06-04T13:15:09.000Z","lastModified":"2026-06-17T03:09:08.000Z","status":"Modified","sourceIdentifier":"vuln@vdoo.com","cvss":{"version":"3.1","score":8,"severity":"HIGH","vector":"CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H"},"cwe":["CWE-787"],"affected":["realtek/rtl8710c firmware","realtek/rtl8195a firmware"],"epss":{"score":0.02009,"percentile":0.80746,"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 (2.01%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit."},"changes":[],"references":[{"url":"https://www.vdoo.com/blog/realtek-wifi-vulnerabilities-zero-day","tags":["Exploit","Third Party Advisory"],"source":"vuln@vdoo.com"},{"url":"https://www.vdoo.com/blog/realtek-wifi-vulnerabilities-zero-day","tags":["Exploit","Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2020-27302","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."}