Critical severity · published Nov 11, 2021
CVE-2021-43573
A buffer overflow was discovered on Realtek RTL8195AM devices before 2.0.10
9.8
CVSS
1.1%
EPSS
No
On KEV
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 vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)1.1% · higher than 66% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
RF
Rtl8195am Firmware · Realtek
through 2.0.10 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2021-43573
CVE.org
https://www.cve.org/CVERecord?id=CVE-2021-43573
Third Party Advisory
https://www.amebaiot.com/en/security_bulletin/cve-2021-43573/
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