CVE-2020-25856

The function DecWPA2KeyData() in the Realtek RTL8195A Wi-Fi Module prior to versions released in April 2020 (up to and excluding 2.08) does not validate the size parameter for an rtl_memcpy() operation, resulting in a stack buffer overflow which can be exploited for remote code execution or denial of service. An attacker can impersonate an Access Point and attack a vulnerable Wi-Fi client, by injecting a crafted packet into the WPA2 handshake. The attacker needs to know the network's PSK in order to exploit this.
References
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Configurations

Configuration 1 (hide)

AND
cpe:2.3:o:realtek:rtl8195a_firmware:*:*:*:*:*:*:*:*
cpe:2.3:h:realtek:rtl8195a:-:*:*:*:*:*:*:*

Information

Published : 2021-02-03 09:15

Updated : 2021-02-08 10:53


NVD link : CVE-2020-25856

Mitre link : CVE-2020-25856


JSON object : View

CWE
CWE-787

Out-of-bounds Write

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Products Affected

realtek

  • rtl8195a
  • rtl8195a_firmware