CVE-2022-21742 is a buffer overflow vulnerability in the Realtek USB driver, stemming from insufficient parameter length verification in an API function. This medium-severity flaw (CVSS 6.5) allows an unauthenticated attacker on the local area network (LAN) to disrupt services, leading to high availability impact. There is currently no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
>= 7.42, <= 7.53CPE matchmatch criteria | cpe:2.3:o:realtek:rtl8156_firmware:*:*:*:*:*:*:*:* | ||
>= 8.49, <= 8.60CPE matchmatch criteria | cpe:2.3:o:realtek:rtl8156_firmware:*:*:*:*:*:*:*:* | ||
>= 10.28, < 10.50CPE matchmatch criteria | cpe:2.3:o:realtek:rtl8156_firmware:*:*:*:*:*:*:*:* | ||
>= 7.42, <= 7.53CPE matchmatch criteria | cpe:2.3:o:realtek:rtl8156b_firmware:*:*:*:*:*:*:*:* | ||
>= 8.49, <= 8.60CPE matchmatch criteria | cpe:2.3:o:realtek:rtl8156b_firmware:*:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.
Remediation records are not available for this CVE.