CVE-2022-21742

MEDIUM

Realtek Rtl8156 Firmware < 7.53 - Buffer Overflow

Title source: rule
STIX 2.1

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.

References (1)

Core 1
Core References
Third Party Advisory x_refsource_misc
https://www.twcert.org.tw/tw/cp-132-6057-1cd0d-1.html

Scores

CVSS v3 6.2
EPSS 0.0014
EPSS Percentile 33.4%
Attack Vector LOCAL
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Details

CWE
CWE-120
Status published
Products (7)
realtek/rtl8152b_firmware 7.42 - 7.53
realtek/rtl8153_firmware 7.42 - 7.53
realtek/rtl8153b_firmware 7.42 - 7.53
realtek/rtl8154_firmware 7.42 - 7.53
realtek/rtl8154b_firmware 7.42 - 7.53
realtek/rtl8156_firmware 7.42 - 7.53
realtek/rtl8156b_firmware 7.42 - 7.53
Published Jun 20, 2022
Tracked Since Feb 18, 2026