Vulnerability · Published Jun 20, 2022 · Assigned by twcert
CVE-2022-21742Realtek USB FE/1GbE/2.5GbE/5GbE NIC Family - Buffer Overflow
Medium 6.2
In plain English
A medium-severity buffer overflow in USB FE/1GbE/2.5GbE/5GbE NIC Family from Realtek. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.2% (higher than 15% of all known vulnerabilities).
Severity (CVSS 3.1)6.2Medium
Exploit odds (30 days)0.2%top 84.7% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known
Official 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.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Realtek | USB FE/1GbE/2.5GbE/5GbE NIC Family | 10.28 – through 10.39 |
| Realtek | USB FE/1GbE/2.5GbE/5GbE NIC Family | 8.49 – through 8.60 |
| Realtek | USB FE/1GbE/2.5GbE/5GbE NIC Family | 7.42 – through 7.53 |
Weakness: CWE-120 · Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
References
- https://www.twcert.org.tw/tw/cp-132-6057-1cd0d-1.html x_refsource_MISC