Vulnerability Monitor

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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.

Published

2021-12-22T19:15:11.373

Last Modified

2024-11-21T06:19:11.493

Status

Modified

Source

[email protected]

Severity

CVSSv3.1: 9.8 (CRITICAL)

CVSSv2 Vector

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

Access Vector: NETWORK
Access Complexity: LOW
Authentication: NONE
Confidentiality Impact: PARTIAL
Integrity Impact: PARTIAL
Availability Impact: PARTIAL

Exploitability Score

10.0

Impact Score

6.4

Weaknesses

Type: Primary
CWE-787

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Operating System	realtek	rtl8195am_firmware	< 2.0.10	Yes
Hardware	realtek	rtl8195am	-	No

References

https://www.amebaiot.com/en/security_bulletin/cve-2021-39306/ Vendor Advisory ([email protected])
https://www.realtek.com Vendor Advisory ([email protected])
https://www.amebaiot.com/en/security_bulletin/cve-2021-39306/ Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://www.realtek.com Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)