CVE-2021-1954

Possible buffer over read due to improper validation of data pointer while parsing FILS...

7.5 HighFix available

Possible buffer over read due to improper validation of data pointer while parsing FILS indication IE in Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon Mobile, Snapdragon Wired Infrastructure and Networking

Attack profile

How easy it is to exploit

Attack vector: Network
Complexity: Low
Privileges needed: None
User interaction: None

What an attacker can affect

Confidentiality: None
Integrity: None
Availability: High

Exploit likelihood

0.59%Up 0.2 points since Jul 13, 2021

What each source reports

CVE List Score used 7.5

Record: CVE-2021-1954
CVSS 3.1: 7.5 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Updated: 2026-11-02

EUVDEUVD-2021-7418 7.5

Record: EUVD-2021-7418
CVSS 3.1: 7.5 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Updated: 2026-11-03

GitHub AdvisoriesGHSA-hhqw-7mxf-q7rx No score

Possible buffer over read due to improper validation of data pointer while parsing FILS...

Record: GHSA-hhqw-7mxf-q7rx
Weakness: CWE-125
Updated: 2026-11-02

NVD 7.5

Record: CVE-2021-1954
CVSS 3.1: 7.5 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CVSS 2.0: 5.0 MediumAV:N/AC:L/Au:N/C:N/I:N/A:P
Weakness: CWE-125
Updated: 2026-11-02

Affected products

Show 139 moreShow less

Affected packages

Affected packages
Package	Affected	Fixed
`platform/vendor/qcom-opensource/wlan/qca-wifi-host-cmn` Android	SoCVersion:0 up to SoCVersion:2021-07-05, plus listed versions SoCVersion	SoCVersion:2021-07-05

History

History
Recorded	Changed	Sources
Nov 5, 2026	facts	OSV
Nov 3, 2026	aliases	EUVD
Nov 2, 2026	first indexed	CVE List, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2021-1954 is a high vulnerability (CVSS 7.5) in Qualcomm, Inc. Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, Snapdragon Consumer Iot, Snapdragon Industrial Iot, Snapdragon Mobile, Snapdragon Wired Infrastructure And Networking, published July 1, 2021. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.59%, the 48th percentile. Fixed in platform/vendor/qcom-opensource/wlan/qca-wifi-host-cmn SoCVersion:2021-07-05.