CVE-2021-39306

CRITICAL

Realtek RTL8195AM Firmware < 2.0.10 - Stack Buffer Overflow via WEP Authentication Challenge

Title source: llm
STIX 2.1

Description

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.

References (2)

Core 2
Core References
Vendor Advisory x_refsource_misc
https://www.realtek.com

Scores

CVSS v3 9.8
EPSS 0.0126
EPSS Percentile 66.2%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Details

CWE
CWE-787
Status published
Products (1)
realtek/rtl8195am_firmware < 2.0.10
Published Dec 22, 2021
Tracked Since Feb 18, 2026