Medium severity · published Jun 20, 2022
CVE-2022-21742
Realtek USB driver has a buffer overflow vulnerability due to insufficient parameter length verification in the API function
6.5
CVSS
0.2%
EPSS
No
On KEV
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 vector
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack vector
Adjacent
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
None
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.2% · higher than 15% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
RF
Rtl8152b Firmware · Realtek
7.42 through 7.53; 8.49 through 8.60; 10.28 before 10.50 · source: NVD
RF
Rtl8153 Firmware · Realtek
7.42 through 7.53; 8.49 through 8.60; 10.28 before 10.50 · source: NVD
RF
Rtl8153b Firmware · Realtek
7.42 through 7.53; 8.49 through 8.60; 10.28 before 10.50 · source: NVD
RF
Rtl8154 Firmware · Realtek
7.42 through 7.53; 8.49 through 8.60; 10.28 before 10.50 · source: NVD
RF
Rtl8154b Firmware · Realtek
7.42 through 7.53; 8.49 through 8.60; 10.28 before 10.50 · source: NVD
RF
Rtl8156 Firmware · Realtek
7.42 through 7.53; 8.49 through 8.60; 10.28 before 10.50 · source: NVD
RF
Rtl8156b Firmware · Realtek
7.42 through 7.53; 8.49 through 8.60; 10.28 before 10.50 · source: NVD