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.
References (2)
Core 2
Core References
Third Party Advisory x_refsource_misc
https://downwithup.github.io/CVEPosts.html
Vendor Advisory x_refsource_misc
https://www.realtek.cz/realtek-network-drivers.html
Scores
CVSS v3
5.5
EPSS
0.0028
EPSS Percentile
20.1%
Attack Vector
LOCAL
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Details
CWE
CWE-476
Status
published
Products (1)
realtek/ndis
10.1.505.2015
Published
Feb 12, 2020
Tracked Since
Feb 18, 2026