CVE-2019-11867

5.5 mediumEPSS 0.3%

Medium (5.5) in realtek ndis. EPSS 0.3% chance of exploitation in the next 30 days.

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.

Severity

CVSS 3.1

5.5 medium

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

EPSS: 0.3% chance of exploitation in the next 30 days; higher than 20% of CVEs (scores of 2026-10-31)
CWE: CWE-476
Published: 2020-02-12
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

realtek:ndis

References

https://downwithup.github.io/CVEPosts.html
https://www.realtek.cz/realtek-network-drivers.html
https://downwithup.github.io/CVEPosts.html
https://www.realtek.cz/realtek-network-drivers.html

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