Medium severity5.5NVD Advisory· Published Feb 12, 2020· Updated Jun 17, 2026
CVE-2019-11867
CVE-2019-11867
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.
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Affected products
4- Realtek/NDIS driverdescription
Patches
Vulnerability mechanics
References
2- downwithup.github.io/CVEPosts.htmlnvdThird Party Advisory
- www.realtek.cz/realtek-network-drivers.htmlnvdVendor Advisory
News mentions
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