CVE-2021-1965

Possible buffer overflow due to lack of parameter length check during MBSSID scan IE parse in...

9.8 CriticalPublic exploitFix available

Possible buffer overflow due to lack of parameter length check during MBSSID scan IE parse in Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, 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: High
Integrity: High
Availability: High

Exploit likelihood

3.02%Up 2.6 points since Jul 13, 2021

What each source reports

CVE List Score used 9.8

Record: CVE-2021-1965
CVSS 3.1: 9.8 CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Updated: 2026-11-02

EUVDEUVD-2021-7429 9.8

Record: EUVD-2021-7429
CVSS 3.1: 9.8 CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Updated: 2026-11-03

GitHub AdvisoriesGHSA-r53h-pr5r-8436 No score

Possible buffer overflow due to lack of parameter length check during MBSSID scan IE parse in...

Record: GHSA-r53h-pr5r-8436
Weakness: CWE-20
Updated: 2026-11-02

NVD 9.8

Record: CVE-2021-1965
CVSS 3.1: 9.8 CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS 2.0: 10.0 HighAV:N/AC:L/Au:N/C:C/I:C/A:C
Weakness: CWE-20, CWE-120
Updated: 2026-11-02

Affected products

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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

Public exploits

Links only. Every CVE stores no exploit code.

Public exploits
Source	Link	Date
PoC in GitHub	sqrtrev/CVE-2021-1965	2022-02-18
PoC in GitHub	foxtrot/CVE-2021-1965	2022-02-20

History

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

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

In short

CVE-2021-1965 is a critical vulnerability (CVSS 9.8) in Qualcomm, Inc. Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, Snapdragon Mobile, Snapdragon Wired Infrastructure And Networking, published July 1, 2021. Public exploit code exists. EPSS puts the chance of exploitation in the next 30 days at 3.02%, the 87th percentile. Fixed in platform/vendor/qcom-opensource/wlan/qca-wifi-host-cmn SoCVersion:2021-07-05.