Realtek HAD contains a driver crashed vulnerability which allows local side attackers to send a special string to the kernel driver in a user’s mode. Due to unexpected commands, the kernel driver wil…

Medium CVSS 6.5

CVECVE-2021-32537

First seen2026-10-09 01:01 UTC

Disclosed2021-07-07 14:15 UTC

Last updated2026-10-09 01:01 UTC

Channel statusauto

Summary

Realtek HAD contains a driver crashed vulnerability which allows local side attackers to send a special string to the kernel driver in a user’s mode. Due to unexpected commands, the kernel driver will cause the system crashed.

In-depth triage

No in-depth report has been generated yet (DR-003 v2 AI pipeline is under construction).

Affected products

Sources

NVD DATABASE

Original Links

http://packetstormsecurity.com/files/163498/Realtek-RTKVHD64.sys-Out-Of-Bounds-Access.html Exploit
https://www.twcert.org.tw/tw/cp-132-4813-7b578-1.html Third Party Advisory
http://packetstormsecurity.com/files/163498/Realtek-RTKVHD64.sys-Out-Of-Bounds-Access.html Exploit
https://www.twcert.org.tw/tw/cp-132-4813-7b578-1.html Third Party Advisory

Timeline

2026-10-09 nvd_ingest NVD