Medium severity6.2NVD Advisory· Published Jun 20, 2022· Updated Jun 17, 2026

CVE-2022-21742

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.

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

Realtek/USB FE/1GbE/2.5GbE/5GbE NIC Familyv5
Range: 7.42
Realtek/USB driverllm-create
Realtek/Rtl8156 Firmware
cpe:2.3:o:realtek:rtl8156_firmware:*:*:*:*:*:*:*:*
Range: >=7.42,<=7.53
Realtek/Rtl8156b Firmware
cpe:2.3:o:realtek:rtl8156b_firmware:*:*:*:*:*:*:*:*
Range: >=7.42,<=7.53
Realtek/Rtl8153 Firmware
cpe:2.3:o:realtek:rtl8153_firmware:*:*:*:*:*:*:*:*
Range: >=7.42,<=7.53
Realtek/Rtl8153b Firmware
cpe:2.3:o:realtek:rtl8153b_firmware:*:*:*:*:*:*:*:*
Range: >=7.42,<=7.53
Realtek/Rtl8154 Firmware
cpe:2.3:o:realtek:rtl8154_firmware:*:*:*:*:*:*:*:*
Range: >=7.42,<=7.53
Realtek/Rtl8154b Firmware
cpe:2.3:o:realtek:rtl8154b_firmware:*:*:*:*:*:*:*:*
Range: >=7.42,<=7.53
Realtek/Rtl8152b Firmware
cpe:2.3:o:realtek:rtl8152b_firmware:*:*:*:*:*:*:*:*
Range: >=7.42,<=7.53

cvss	0.403
epss	0.000
exploit	0.000
kev	0.000
patch	0.000
ransomware	0.000

CVE-2022-21742

Description

AI Insight

Affected products

Patches

Vulnerability mechanics

References

News mentions