SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2021-43573

A buffer overflow was discovered on Realtek RTL8195AM devices before 2.0.10.

CRITICAL 9.8EPSS 1.10%

Does this matter?

High impact if exploited, but EPSS currently rates exploitation as unlikely (1.10%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.

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 3.1
9.8 CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS
1.10% probability · 64th percentile
CISA KEV
Not listed
Weakness
CWE-120
Affected
realtek/rtl8195am firmware
Source
cve@mitre.org

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.