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01 Record

CVE-2022-21742

Realtek USB FE/1GbE/2.5GbE/5GbE NIC Family - Buffer Overflow

MediumPUBLISHEDCNA: twcert
CNA base score6.2 CVSS v3.xCVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

02 Description

Realtek USB FE/1GbE/2.5GbE/5GbE NIC Family - Buffer Overflow

03 Exploitation and scoring

Exploitation
Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.
SSVC decision
Not assessed by CISA
EPSS probability
0.24% probability of exploitation activity in the next 30 days.
EPSS percentile
Equal to or higher than the score of 15.0% of scored records. A rank, not a probability.
NVD base score
6.5 (CVSS v3.x), scored by the NVD independently of the CNA.
NVD CVSS vector
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
NVD analysis status
Modified. NVD last modified this record on 2026-06-17.
Red Hat severity
No Red Hat rating. Red Hat rates the CVEs that affect its products.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

04 Metadata

Published
2022-06-20 05:30Z4 YR AGO
Last updated
2024-09-17 01:36Z2 YR AGO
Reserved
2021-11-19
Assigning CNA
twcert
Record state
PUBLISHED
Severity
Medium (CVSS 6.2)
CNA CVSS vector
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Weaknesses
  • CWE-120Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')Base
Data version
5.1
Document digest
a29b0ba02549622ed022327e80ebd2a3969ab8062c9a3107047166fd0b286907

05 Affected products

VendorProductVersionsPlatforms
RealtekUSB FE/1GbE/2.5GbE/5GbE NIC Family10.28 to 10.39, 8.49 to 8.60, 7.42 to 7.53Windows 10, Windows 8, Windows 7

06 References

07 Remediation

Update version to v10.50