Buffer overflow in Realtek Rtl8195am

CVE-2020-9395

An issue was discovered on Realtek RTL8195AM, RTL8711AM, RTL8711AF, and RTL8710AF devices before 2.0.6. A stack-based buffer overflow exists in the client code that takes care of WPA2's 4-way-handshake via a malformed EAPOL-Key packet with a long keydata buffer.

Vulnerability class: Buffer Overflow

EPSS: 0.008 (52.1th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.0 (High). Vector: CVSS:3.1/AV:A/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2020-9395?
CVE-2020-9395 is a high-severity vulnerability in Realtek Rtl8195am, classified under Out-of-bounds Write. CVSS score: 8.0/10. Published 2020-07-06.
How severe is CVE-2020-9395?
High severity. CVSS v3 base score is 8.0 out of 10.
Is CVE-2020-9395 known to be exploited?
1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.