CVE-2022-21742
Realtek USB FE/1GbE/2.5GbE/5GbE NIC Family - Buffer Overflow
Severity Score
6.5
*CVSS v3.1
Exploit Likelihood
*EPSS
Affected Versions
*CPE
Public Exploits
0
*Multiple Sources
Exploited in Wild
-
*KEV
Decision
-
*SSVC
Descriptions
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.
El controlador USB de Realtek presenta una vulnerabilidad de desbordamiento del búfer debido a una insuficiente verificación de la longitud de los parámetros en la función de la API. Un atacante no autenticado de la LAN puede explotar esta vulnerabilidad para interrumpir los servicios
*Credits:
Realtek
CVSS Scores
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
Attack Vector
Attack Complexity
Authentication
Confidentiality
Integrity
Availability
* Common Vulnerability Scoring System
SSVC
- Decision:-
Exploitation
Automatable
Tech. Impact
* Organization's Worst-case Scenario
Timeline
- 2021-11-19 CVE Reserved
- 2022-06-20 CVE Published
- 2024-01-11 EPSS Updated
- 2024-09-17 CVE Updated
- ---------- Exploited in Wild
- ---------- KEV Due Date
- ---------- First Exploit
CWE
- CWE-120: Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')
CAPEC
References (1)
| URL | Tag | Source |
|---|---|---|
| https://www.twcert.org.tw/tw/cp-132-6057-1cd0d-1.html | Third Party Advisory |
| URL | Date | SRC |
|---|
| URL | Date | SRC |
|---|
| URL | Date | SRC |
|---|
Affected Vendors, Products, and Versions
| Vendor | Product | Version | Other | Status | ||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Vendor | Product | Version | Other | Status | <-- --> | Vendor | Product | Version | Other | Status |
| Realtek Search vendor "Realtek" | Rtl8156 Firmware Search vendor "Realtek" for product "Rtl8156 Firmware" | >= 7.42 <= 7.53 Search vendor "Realtek" for product "Rtl8156 Firmware" and version " >= 7.42 <= 7.53" | - |
Affected
| in | Realtek Search vendor "Realtek" | Rtl8156 Search vendor "Realtek" for product "Rtl8156" | - | - |
Safe
|
| Realtek Search vendor "Realtek" | Rtl8156 Firmware Search vendor "Realtek" for product "Rtl8156 Firmware" | >= 8.49 <= 8.60 Search vendor "Realtek" for product "Rtl8156 Firmware" and version " >= 8.49 <= 8.60" | - |
Affected
| in | Realtek Search vendor "Realtek" | Rtl8156 Search vendor "Realtek" for product "Rtl8156" | - | - |
Safe
|
| Realtek Search vendor "Realtek" | Rtl8156 Firmware Search vendor "Realtek" for product "Rtl8156 Firmware" | >= 10.28 < 10.50 Search vendor "Realtek" for product "Rtl8156 Firmware" and version " >= 10.28 < 10.50" | - |
Affected
| in | Realtek Search vendor "Realtek" | Rtl8156 Search vendor "Realtek" for product "Rtl8156" | - | - |
Safe
|
| Realtek Search vendor "Realtek" | Rtl8156b Firmware Search vendor "Realtek" for product "Rtl8156b Firmware" | >= 7.42 <= 7.53 Search vendor "Realtek" for product "Rtl8156b Firmware" and version " >= 7.42 <= 7.53" | - |
Affected
| in | Realtek Search vendor "Realtek" | Rtl8156b Search vendor "Realtek" for product "Rtl8156b" | - | - |
Safe
|
| Realtek Search vendor "Realtek" | Rtl8156b Firmware Search vendor "Realtek" for product "Rtl8156b Firmware" | >= 8.49 <= 8.60 Search vendor "Realtek" for product "Rtl8156b Firmware" and version " >= 8.49 <= 8.60" | - |
Affected
| in | Realtek Search vendor "Realtek" | Rtl8156b Search vendor "Realtek" for product "Rtl8156b" | - | - |
Safe
|
| Realtek Search vendor "Realtek" | Rtl8156b Firmware Search vendor "Realtek" for product "Rtl8156b Firmware" | >= 10.28 < 10.50 Search vendor "Realtek" for product "Rtl8156b Firmware" and version " >= 10.28 < 10.50" | - |
Affected
| in | Realtek Search vendor "Realtek" | Rtl8156b Search vendor "Realtek" for product "Rtl8156b" | - | - |
Safe
|
| Realtek Search vendor "Realtek" | Rtl8153 Firmware Search vendor "Realtek" for product "Rtl8153 Firmware" | >= 7.42 <= 7.53 Search vendor "Realtek" for product "Rtl8153 Firmware" and version " >= 7.42 <= 7.53" | - |
Affected
| in | Realtek Search vendor "Realtek" | Rtl8153 Search vendor "Realtek" for product "Rtl8153" | - | - |
Safe
|
| Realtek Search vendor "Realtek" | Rtl8153 Firmware Search vendor "Realtek" for product "Rtl8153 Firmware" | >= 8.49 <= 8.60 Search vendor "Realtek" for product "Rtl8153 Firmware" and version " >= 8.49 <= 8.60" | - |
Affected
| in | Realtek Search vendor "Realtek" | Rtl8153 Search vendor "Realtek" for product "Rtl8153" | - | - |
Safe
|
| Realtek Search vendor "Realtek" | Rtl8153 Firmware Search vendor "Realtek" for product "Rtl8153 Firmware" | >= 10.28 < 10.50 Search vendor "Realtek" for product "Rtl8153 Firmware" and version " >= 10.28 < 10.50" | - |
Affected
| in | Realtek Search vendor "Realtek" | Rtl8153 Search vendor "Realtek" for product "Rtl8153" | - | - |
Safe
|
| Realtek Search vendor "Realtek" | Rtl8153b Firmware Search vendor "Realtek" for product "Rtl8153b Firmware" | >= 7.42 <= 7.53 Search vendor "Realtek" for product "Rtl8153b Firmware" and version " >= 7.42 <= 7.53" | - |
Affected
| in | Realtek Search vendor "Realtek" | Rtl8153b Search vendor "Realtek" for product "Rtl8153b" | - | - |
Safe
|
| Realtek Search vendor "Realtek" | Rtl8153b Firmware Search vendor "Realtek" for product "Rtl8153b Firmware" | >= 8.49 <= 8.60 Search vendor "Realtek" for product "Rtl8153b Firmware" and version " >= 8.49 <= 8.60" | - |
Affected
| in | Realtek Search vendor "Realtek" | Rtl8153b Search vendor "Realtek" for product "Rtl8153b" | - | - |
Safe
|
| Realtek Search vendor "Realtek" | Rtl8153b Firmware Search vendor "Realtek" for product "Rtl8153b Firmware" | >= 10.28 < 10.50 Search vendor "Realtek" for product "Rtl8153b Firmware" and version " >= 10.28 < 10.50" | - |
Affected
| in | Realtek Search vendor "Realtek" | Rtl8153b Search vendor "Realtek" for product "Rtl8153b" | - | - |
Safe
|
| Realtek Search vendor "Realtek" | Rtl8154 Firmware Search vendor "Realtek" for product "Rtl8154 Firmware" | >= 7.42 <= 7.53 Search vendor "Realtek" for product "Rtl8154 Firmware" and version " >= 7.42 <= 7.53" | - |
Affected
| in | Realtek Search vendor "Realtek" | Rtl8154 Search vendor "Realtek" for product "Rtl8154" | - | - |
Safe
|
| Realtek Search vendor "Realtek" | Rtl8154 Firmware Search vendor "Realtek" for product "Rtl8154 Firmware" | >= 8.49 <= 8.60 Search vendor "Realtek" for product "Rtl8154 Firmware" and version " >= 8.49 <= 8.60" | - |
Affected
| in | Realtek Search vendor "Realtek" | Rtl8154 Search vendor "Realtek" for product "Rtl8154" | - | - |
Safe
|
| Realtek Search vendor "Realtek" | Rtl8154 Firmware Search vendor "Realtek" for product "Rtl8154 Firmware" | >= 10.28 < 10.50 Search vendor "Realtek" for product "Rtl8154 Firmware" and version " >= 10.28 < 10.50" | - |
Affected
| in | Realtek Search vendor "Realtek" | Rtl8154 Search vendor "Realtek" for product "Rtl8154" | - | - |
Safe
|
| Realtek Search vendor "Realtek" | Rtl8154b Firmware Search vendor "Realtek" for product "Rtl8154b Firmware" | >= 7.42 <= 7.53 Search vendor "Realtek" for product "Rtl8154b Firmware" and version " >= 7.42 <= 7.53" | - |
Affected
| in | Realtek Search vendor "Realtek" | Rtl8154b Search vendor "Realtek" for product "Rtl8154b" | - | - |
Safe
|
| Realtek Search vendor "Realtek" | Rtl8154b Firmware Search vendor "Realtek" for product "Rtl8154b Firmware" | >= 8.49 <= 8.60 Search vendor "Realtek" for product "Rtl8154b Firmware" and version " >= 8.49 <= 8.60" | - |
Affected
| in | Realtek Search vendor "Realtek" | Rtl8154b Search vendor "Realtek" for product "Rtl8154b" | - | - |
Safe
|
| Realtek Search vendor "Realtek" | Rtl8154b Firmware Search vendor "Realtek" for product "Rtl8154b Firmware" | >= 10.28 < 10.50 Search vendor "Realtek" for product "Rtl8154b Firmware" and version " >= 10.28 < 10.50" | - |
Affected
| in | Realtek Search vendor "Realtek" | Rtl8154b Search vendor "Realtek" for product "Rtl8154b" | - | - |
Safe
|
| Realtek Search vendor "Realtek" | Rtl8152b Firmware Search vendor "Realtek" for product "Rtl8152b Firmware" | >= 7.42 <= 7.53 Search vendor "Realtek" for product "Rtl8152b Firmware" and version " >= 7.42 <= 7.53" | - |
Affected
| in | Realtek Search vendor "Realtek" | Rtl8152b Search vendor "Realtek" for product "Rtl8152b" | - | - |
Safe
|
| Realtek Search vendor "Realtek" | Rtl8152b Firmware Search vendor "Realtek" for product "Rtl8152b Firmware" | >= 8.49 <= 8.60 Search vendor "Realtek" for product "Rtl8152b Firmware" and version " >= 8.49 <= 8.60" | - |
Affected
| in | Realtek Search vendor "Realtek" | Rtl8152b Search vendor "Realtek" for product "Rtl8152b" | - | - |
Safe
|
| Realtek Search vendor "Realtek" | Rtl8152b Firmware Search vendor "Realtek" for product "Rtl8152b Firmware" | >= 10.28 < 10.50 Search vendor "Realtek" for product "Rtl8152b Firmware" and version " >= 10.28 < 10.50" | - |
Affected
| in | Realtek Search vendor "Realtek" | Rtl8152b Search vendor "Realtek" for product "Rtl8152b" | - | - |
Safe
|