CVE-2026-21372

nvd nist

Published: Apr 6, 2026Modified: Jun 17, 2026

7.8

Vector

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

Exploitability: 1.8 / Impact: 5.9

Source: product-security@qualcomm.com (Secondary)

Description

Memory Corruption when sending IOCTL requests with invalid buffer sizes during memcpy operations.

Affected (28)

Products: Qualcomm: X2000094 Firmware, Xg101002 Firmware, Xg101032 Firmware, Xg101039 Firmware, X2000092 Firmware, X2000090 Firmware, X2000086 Firmware, X2000077 Firmware, Wsa8845h Firmware, Wsa8845 Firmware, Wsa8840 Firmware, Wcn3988 Firmware, Wcn3950 Firmware, Wcd9385 Firmware, Wcd9380 Firmware, Wcd9378c Firmware, Wcd9375 Firmware, Wcd9370 Firmware, Snapdragon 7c+ Gen 3 Compute Firmware, Snapdragon 662 Mobile Platform Firmware, Snapdragon 460 Mobile Platform Firmware, Video Collaboration Vc3 Platform Firmware, Qcm6490 Firmware, Qcm5430 Firmware, Fastconnect 7800 Firmware, Fastconnect 6900 Firmware, Fastconnect 6700 Firmware, Cologne Firmware

28 products

Snapdragon 7c+ Gen 3 Compute Firmware

Snapdragon 662 Mobile Platform Firmware

Snapdragon 460 Mobile Platform Firmware

Video Collaboration Vc3 Platform Firmware

Qcm6490 Firmware

Qcm5430 Firmware

Fastconnect 7800 Firmware

Fastconnect 6900 Firmware

Fastconnect 6700 Firmware

Cologne Firmware

Configuration A

1 vulnerable · 1 platform

Vulnerable Software	Affected Versions
Qualcomm X2000094 Firmware	All versions

Running on/with	Platform Versions
Qualcomm X2000094	All versions

Configuration B

1 vulnerable · 1 platform

Vulnerable Software	Affected Versions
Qualcomm Xg101002 Firmware	All versions

Running on/with	Platform Versions
Qualcomm Xg101002	All versions

Configuration C

1 vulnerable · 1 platform

Vulnerable Software	Affected Versions
Qualcomm Xg101032 Firmware	All versions

Running on/with	Platform Versions
Qualcomm Xg101032	All versions

Configuration D

1 vulnerable · 1 platform

Vulnerable Software	Affected Versions
Qualcomm Xg101039 Firmware	All versions

Running on/with	Platform Versions
Qualcomm Xg101039	All versions

Configuration E

1 vulnerable · 1 platform

Vulnerable Software	Affected Versions
Qualcomm X2000092 Firmware	All versions

Running on/with	Platform Versions
Qualcomm X2000092	All versions

Configuration F

1 vulnerable · 1 platform

Vulnerable Software	Affected Versions
Qualcomm X2000090 Firmware	All versions

Running on/with	Platform Versions
Qualcomm X2000090	All versions

Configuration G

1 vulnerable · 1 platform

Vulnerable Software	Affected Versions
Qualcomm X2000086 Firmware	All versions

Running on/with	Platform Versions
Qualcomm X2000086	All versions

Configuration H

1 vulnerable · 1 platform

Vulnerable Software	Affected Versions
Qualcomm X2000077 Firmware	All versions

Running on/with	Platform Versions
Qualcomm X2000077	All versions

Configuration I

1 vulnerable · 1 platform

Vulnerable Software	Affected Versions
Qualcomm Wsa8845h Firmware	All versions

Running on/with	Platform Versions
Qualcomm Wsa8845h	All versions

Configuration J

1 vulnerable · 1 platform

Vulnerable Software	Affected Versions
Qualcomm Wsa8845 Firmware	All versions

Running on/with	Platform Versions
Qualcomm Wsa8845	All versions

Configuration K

1 vulnerable · 1 platform

Vulnerable Software	Affected Versions
Qualcomm Wsa8840 Firmware	All versions

Running on/with	Platform Versions
Qualcomm Wsa8840	All versions

Configuration L

1 vulnerable · 1 platform

Vulnerable Software	Affected Versions
Qualcomm Wcn3988 Firmware	All versions

Running on/with	Platform Versions
Qualcomm Wcn3988	All versions

Configuration M

1 vulnerable · 1 platform

Vulnerable Software	Affected Versions
Qualcomm Wcn3950 Firmware	All versions

Running on/with	Platform Versions
Qualcomm Wcn3950	All versions

Configuration N

1 vulnerable · 1 platform

Vulnerable Software	Affected Versions
Qualcomm Wcd9385 Firmware	All versions

Running on/with	Platform Versions
Qualcomm Wcd9385	All versions

Configuration O

1 vulnerable · 1 platform

Vulnerable Software	Affected Versions
Qualcomm Wcd9380 Firmware	All versions

Running on/with	Platform Versions
Qualcomm Wcd9380	All versions

Configuration P

1 vulnerable · 1 platform

Vulnerable Software	Affected Versions
Qualcomm Wcd9378c Firmware	All versions

Running on/with	Platform Versions
Qualcomm Wcd9378c	All versions

Configuration Q

1 vulnerable · 1 platform

Vulnerable Software	Affected Versions
Qualcomm Wcd9375 Firmware	All versions

Running on/with	Platform Versions
Qualcomm Wcd9375	All versions

Configuration R

1 vulnerable · 1 platform

Vulnerable Software	Affected Versions
Qualcomm Wcd9370 Firmware	All versions

Running on/with	Platform Versions
Qualcomm Wcd9370	All versions

Configuration S

1 vulnerable · 1 platform

Vulnerable Software	Affected Versions
Qualcomm Snapdragon 7c+ Gen 3 Compute Firmware	All versions

Running on/with	Platform Versions
Qualcomm Snapdragon 7c+ Gen 3 Compute	All versions

Configuration T

1 vulnerable · 1 platform

Vulnerable Software	Affected Versions
Qualcomm Snapdragon 662 Mobile Platform Firmware	All versions

Running on/with	Platform Versions
Qualcomm Snapdragon 662 Mobile Platform	All versions

Configuration U

1 vulnerable · 1 platform

Vulnerable Software	Affected Versions
Qualcomm Snapdragon 460 Mobile Platform Firmware	All versions

Running on/with	Platform Versions
Qualcomm Snapdragon 460 Mobile Platform	All versions

Configuration V

1 vulnerable · 1 platform

Vulnerable Software	Affected Versions
Qualcomm Video Collaboration Vc3 Platform Firmware	All versions

Running on/with	Platform Versions
Qualcomm Video Collaboration Vc3 Platform	All versions

Configuration W

1 vulnerable · 1 platform

Vulnerable Software	Affected Versions
Qualcomm Qcm6490 Firmware	All versions

Running on/with	Platform Versions
Qualcomm Qcm6490	All versions

Configuration X

1 vulnerable · 1 platform

Vulnerable Software	Affected Versions
Qualcomm Qcm5430 Firmware	All versions

Running on/with	Platform Versions
Qualcomm Qcm5430	All versions

Configuration Y

1 vulnerable · 1 platform

Vulnerable Software	Affected Versions
Qualcomm Fastconnect 7800 Firmware	All versions

Running on/with	Platform Versions
Qualcomm Fastconnect 7800	All versions

Configuration Z

1 vulnerable · 1 platform

Vulnerable Software	Affected Versions
Qualcomm Fastconnect 6900 Firmware	All versions

Running on/with	Platform Versions
Qualcomm Fastconnect 6900	All versions

Configuration A

1 vulnerable · 1 platform

Vulnerable Software	Affected Versions
Qualcomm Fastconnect 6700 Firmware	All versions

Running on/with	Platform Versions
Qualcomm Fastconnect 6700	All versions

Configuration B

1 vulnerable · 1 platform

Vulnerable Software	Affected Versions
Qualcomm Cologne Firmware	All versions

Running on/with	Platform Versions
Qualcomm Cologne	All versions

Related CWEs

CWE-122

Heap-based Buffer Overflow

A heap overflow condition is a buffer overflow, where the buffer that can be overwritten is allocated in the heap portion of memory, generally meaning that the buffer was allocated using a routine such as malloc().

References (1)

https://docs.qualcomm.com/product/publicresources/securitybulletin/april-2026-bulletin.html

Source: product-security@qualcomm.com

Vendor Advisory

Timeline

No history available yet.