CVE-2022-21742

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
Link Resource
https://www.twcert.org.tw/tw/cp-132-6057-1cd0d-1.html Third Party Advisory
Configurations

Configuration 1 (hide)

AND
OR cpe:2.3:o:realtek:rtl8156_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:realtek:rtl8156_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:realtek:rtl8156_firmware:*:*:*:*:*:*:*:*
cpe:2.3:h:realtek:rtl8156:-:*:*:*:*:*:*:*

Configuration 2 (hide)

AND
OR cpe:2.3:o:realtek:rtl8156b_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:realtek:rtl8156b_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:realtek:rtl8156b_firmware:*:*:*:*:*:*:*:*
cpe:2.3:h:realtek:rtl8156b:-:*:*:*:*:*:*:*

Configuration 3 (hide)

AND
OR cpe:2.3:o:realtek:rtl8153_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:realtek:rtl8153_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:realtek:rtl8153_firmware:*:*:*:*:*:*:*:*
cpe:2.3:h:realtek:rtl8153:-:*:*:*:*:*:*:*

Configuration 4 (hide)

AND
OR cpe:2.3:o:realtek:rtl8153b_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:realtek:rtl8153b_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:realtek:rtl8153b_firmware:*:*:*:*:*:*:*:*
cpe:2.3:h:realtek:rtl8153b:-:*:*:*:*:*:*:*

Configuration 5 (hide)

AND
OR cpe:2.3:o:realtek:rtl8154_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:realtek:rtl8154_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:realtek:rtl8154_firmware:*:*:*:*:*:*:*:*
cpe:2.3:h:realtek:rtl8154:-:*:*:*:*:*:*:*

Configuration 6 (hide)

AND
OR cpe:2.3:o:realtek:rtl8154b_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:realtek:rtl8154b_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:realtek:rtl8154b_firmware:*:*:*:*:*:*:*:*
cpe:2.3:h:realtek:rtl8154b:-:*:*:*:*:*:*:*

Configuration 7 (hide)

AND
OR cpe:2.3:o:realtek:rtl8152b_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:realtek:rtl8152b_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:realtek:rtl8152b_firmware:*:*:*:*:*:*:*:*
cpe:2.3:h:realtek:rtl8152b:-:*:*:*:*:*:*:*

History

05 Jul 2022, 20:40

Type Values Removed Values Added
CPE cpe:2.3:h:realtek:rtl8156b:-:*:*:*:*:*:*:*
cpe:2.3:o:realtek:rtl8154_firmware:*:*:*:*:*:*:*:*
cpe:2.3:h:realtek:rtl8156:-:*:*:*:*:*:*:*
cpe:2.3:o:realtek:rtl8154b_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:realtek:rtl8156b_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:realtek:rtl8156_firmware:*:*:*:*:*:*:*:*
cpe:2.3:h:realtek:rtl8152b:-:*:*:*:*:*:*:*
cpe:2.3:o:realtek:rtl8153b_firmware:*:*:*:*:*:*:*:*
cpe:2.3:h:realtek:rtl8153:-:*:*:*:*:*:*:*
cpe:2.3:h:realtek:rtl8154:-:*:*:*:*:*:*:*
cpe:2.3:o:realtek:rtl8153_firmware:*:*:*:*:*:*:*:*
cpe:2.3:h:realtek:rtl8153b:-:*:*:*:*:*:*:*
cpe:2.3:o:realtek:rtl8152b_firmware:*:*:*:*:*:*:*:*
cpe:2.3:h:realtek:rtl8154b:-:*:*:*:*:*:*:*
First Time Realtek rtl8154b
Realtek rtl8152b Firmware
Realtek rtl8153b Firmware
Realtek rtl8154
Realtek rtl8152b
Realtek rtl8153 Firmware
Realtek
Realtek rtl8156b
Realtek rtl8153b
Realtek rtl8156 Firmware
Realtek rtl8156
Realtek rtl8156b Firmware
Realtek rtl8153
Realtek rtl8154b Firmware
Realtek rtl8154 Firmware
CWE CWE-120
References (MISC) https://www.twcert.org.tw/tw/cp-132-6057-1cd0d-1.html - (MISC) https://www.twcert.org.tw/tw/cp-132-6057-1cd0d-1.html - Third Party Advisory
CVSS v2 : unknown
v3 : 6.2
v2 : 3.3
v3 : 6.5

20 Jun 2022, 06:15

Type Values Removed Values Added
New CVE

Information

Published : 2022-06-20 06:15

Updated : 2023-12-10 14:22


NVD link : CVE-2022-21742

Mitre link : CVE-2022-21742

CVE.ORG link : CVE-2022-21742


JSON object : View

Products Affected

realtek

  • rtl8156_firmware
  • rtl8152b_firmware
  • rtl8153b_firmware
  • rtl8154
  • rtl8153
  • rtl8153b
  • rtl8152b
  • rtl8153_firmware
  • rtl8156b
  • rtl8154b_firmware
  • rtl8154b
  • rtl8156
  • rtl8154_firmware
  • rtl8156b_firmware
CWE
CWE-120

Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')