CVE-2021-43573 — CRITICAL (9.8)

Q: How severe is CVE-2021-43573?

CVE-2021-43573 has been rated CRITICAL with a CVSS base score of 9.8/10. This is considered a critical vulnerability requiring immediate attention.

Q: Is there a patch for CVE-2021-43573?

Check the references section above for vendor advisories and patch information. Affected products include: Realtek Rtl8195Am Firmware, Realtek Rtl8195Am.

Vulnerability Description

A buffer overflow was discovered on Realtek RTL8195AM devices before 2.0.10. It exists in the client code when processing a malformed IE length of HT capability information in the Beacon and Association response frame.

CVSS Score

9.8

CRITICAL

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

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

HIGH

Integrity

HIGH

Availability

HIGH

Affected Products

Vendor	Product	Versions
Realtek	Rtl8195Am Firmware	<= 2.0.10
Realtek	Rtl8195Am	-

Related Weaknesses (CWE)

CWE-120

References

https://www.amebaiot.com/en/security_bulletin/cve-2021-43573/Third Party Advisory
https://www.amebaiot.com/en/security_bulletin/cve-2021-43573/Third Party Advisory

FAQ

What is CVE-2021-43573?

CVE-2021-43573 is a vulnerability with a CVSS score of 9.8 (CRITICAL). A buffer overflow was discovered on Realtek RTL8195AM devices before 2.0.10. It exists in the client code when processing a malformed IE length of HT capability information in the Beacon and Associati...

How severe is CVE-2021-43573?

CVE-2021-43573 has been rated CRITICAL with a CVSS base score of 9.8/10. This is considered a critical vulnerability requiring immediate attention.

Is there a patch for CVE-2021-43573?

Check the references section above for vendor advisories and patch information. Affected products include: Realtek Rtl8195Am Firmware, Realtek Rtl8195Am.