SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2022-21742

Realtek USB driver has a buffer overflow vulnerability due to insufficient parameter length verification in the API function.

MEDIUM 6.5EPSS 0.24%

Does this matter?

Lower severity and a low EPSS score (0.24%). Track it; it rarely justifies an emergency change on its own.

Description

Realtek USB driver has a buffer overflow vulnerability due to insufficient parameter length verification in the API function. An unauthenticated LAN attacker can exploit this vulnerability to disrupt services.

CVSS 3.1
6.5 MEDIUMCVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
EPSS
0.24% probability · 16th percentile
CISA KEV
Not listed
Weakness
CWE-120
Affected
realtek/rtl8156 firmware · realtek/rtl8156b firmware · realtek/rtl8153 firmware · realtek/rtl8153b firmware · realtek/rtl8154 firmware · realtek/rtl8154b firmware · realtek/rtl8152b firmware
Source
twcert@cert.org.tw

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