CVE-2021-39306

A stack buffer overflow was discovered on Realtek RTL8195AM device before 2.0.10, it exists in the client code when an attacker sends a big size Authentication challenge text in WEP security.

CVSS v3.0 9.8 CRITICAL
CVSS v2.0 7.5 HIGH

9.8^/10

CVSS v3.0 : CRITICAL

Vector :

Exploitability : 3.9 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

7.5^/10

CVSS v2.0 : HIGH

Vector : AV:N/AC:L/Au:N/C:P/I:P/A:P

Exploitability : 10.0 / Impact : 6.4

Access Vector NETWORK

Access Complexity LOW

Authentication NONE

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact PARTIAL

References

Link	Resource
https://www.realtek.com	Vendor Advisory
https://www.amebaiot.com/en/security_bulletin/cve-2021-39306/	Vendor Advisory

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Configurations

Configuration 1 (hide)

AND

cpe:2.3:o:realtek:rtl8195am_firmware:*:*:*:*:*:*:*:*

cpe:2.3:h:realtek:rtl8195am:-:*:*:*:*:*:*:*

Information

Published : 2021-12-22 11:15

Updated : 2022-01-04 10:49

NVD link : CVE-2021-39306

Mitre link : CVE-2021-39306

JSON object : View

CWE

CWE-787

Out-of-bounds Write

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Products Affected

realtek

rtl8195am
rtl8195am_firmware

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