Description
Realtek NDIS driver rt640x64.sys, file version 10.1.505.2015, fails to do any size checking on an input buffer from user space, which the driver assumes has a size greater than zero bytes. To exploit this vulnerability, an attacker must send an IRP with a system buffer size of 0.
Metrics
CVSS 3.1 5.5/10
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:HWeakness enumeration
Affected software
| Vendor | Product | Versions |
|---|---|---|
| n/a | n/a | n/a |
References
- https://downwithup.github.io/CVEPosts.htmlThird Party Advisory
- https://www.realtek.cz/realtek-network-drivers.htmlVendor Advisory
- https://downwithup.github.io/CVEPosts.htmlThird Party Advisory
- https://www.realtek.cz/realtek-network-drivers.htmlVendor Advisory
Timeline
- Published
- Feb 12, 2020
- Last modified
- Jun 17, 2026
- NVD status
- Modified