What’s Vulnerable › Vulnerabilities

CVE-2019-11867

• Severity: medium (CVSS 5.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.3% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2020-02-12 · updated 2026-06-17
• Weakness: CWE-476

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.

Affected products

• Realtek Ndis: 10.1.505.2015

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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