Vulnerability Details : CVE-2020-27302
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.
Vulnerability category: OverflowMemory CorruptionExecute code
Exploit prediction scoring system (EPSS) score for CVE-2020-27302
Probability of exploitation activity in the next 30 days: 0.08%
Percentile, the proportion of vulnerabilities that are scored at or less: ~ 34 % EPSS Score History EPSS FAQ
CVSS scores for CVE-2020-27302
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source |
|---|---|---|---|---|---|
|
7.7
|
HIGH | AV:A/AC:L/Au:S/C:C/I:C/A:C |
5.1
|
10.0
|
NIST |
|
8.0
|
HIGH | CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
2.1
|
5.9
|
NIST |
CWE ids for CVE-2020-27302
-
The product writes data past the end, or before the beginning, of the intended buffer.Assigned by: nvd@nist.gov (Primary)
References for CVE-2020-27302
-
https://www.vdoo.com/blog/realtek-wifi-vulnerabilities-zero-day
Realtek Critical Wi-Fi Vulnerabilities DiscoveredExploit;Third Party Advisory
Products affected by CVE-2020-27302
- cpe:2.3:o:realtek:rtl8195a_firmware:-:*:*:*:*:*:*:*
- cpe:2.3:o:realtek:rtl8710c_firmware:-:*:*:*:*:*:*:*