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cnvdChina National Vulnerability DatabaseCNVD-2021-56816
HistoryFeb 05, 2021 - 12:00 a.m.

Realtek RTL8195A Buffer Overflow Vulnerability (CNVD-2021-56816)

2021-02-0500:00:00
China National Vulnerability Database
www.cnvd.org.cn
9

8.1 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

HIGH

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

6.8 Medium

CVSS2

Access Vector

NETWORK

Access Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

AV:N/AC:M/Au:N/C:P/I:P/A:P

The Realtek RTL8195A is an IoT microcontroller from Realtek Semiconductor (Taiwan, China).A buffer overflow vulnerability exists in versions prior to the Realtek RTL8195A 2.08, which could be exploited by an attacker to inject crafted packets into a WPA2 handshake to emulate an access point and attack a vulnerable Wi-Fi client.

CPENameOperatorVersion
realtek rtl8195alt2.08

8.1 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

HIGH

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

6.8 Medium

CVSS2

Access Vector

NETWORK

Access Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

AV:N/AC:M/Au:N/C:P/I:P/A:P

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