TI-2024-26920 Aliases CVE-2024-40432 GHSA-mx4x-5r76-88fj

A lack of input validation in Realtek SD card reader driver before 10.0.26100.21374…

MEDIUM 62Published 2024-10-23 · Updated 2024-10-24

Key facts

Attack vector: Network
Privileges required: Low
User interaction: None
Attack complexity: Low
Impact type: —
Confidentiality · integrity · availability: None · None · High
Fix status: No fix listed

Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA.

Summary

A lack of input validation in Realtek SD card reader driver before 10.0.26100.21374 through the implementation of the IOCTL_SFFDISK_DEVICE_COMMAND control of the SD card reader driver allows a privileged attacker to crash the OS.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV

EPSS 0.00395 33rd percentileScored 2026-11-07

Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation: Poc
Automatable: No
Technical impact: Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

Vendor	Product	Affected versions	Fixed in	Status	Source
—	—	all versions	—	No fix listed	CNA

— Vendor— Affected all versions Fixed in — No fix listed CNA

CPE names CISA-ADP · 1

CPE	Versions	Role	Vendor
cpe:2.3:a:realtek:sd_card_reader_driver::::::::	—	—	Realtek

cpe:2.3:a:realtek:sd_card_reader_driver:*:*:*:*:*:*:*:* Versions — — ·Realtek

Remediation

No fixed version listed by the sources yet.

Timeline

2026-10-02 Threatist record created from CVE-2024-40432
2026-10-03 Alias added: GHSA-mx4x-5r76-88fj

References

Other 1

https://zwclose.github.io/2024/10/14/rtsper1.html

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences