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Aqt1000 Firmware CVE-2021-30321

CRITICAL
Classic Buffer Overflow (CWE-120)
2021-11-12 product-security@qualcomm.com
Buffer Overflow Qualcomm Aqt1000 Firmware Qca1062 Firmware Qca1064 Firmware Qca2066 Firmware Qca6320 Firmware Qca6391 Firmware Qca6420 Firmware Qca6430 Firmware Sc8280Xp Firmware Sd 8cx Firmware Wcd9340 Firmware Wcd9341 Firmware Wcd9380 Firmware Wcd9385 Firmware Wcn3998 Firmware Wcn6850 Firmware Wcn6851 Firmware Wcn6855 Firmware Wcn6856 Firmware Wsa8810 Firmware Wsa8815 Firmware Wsa8830 Firmware Wsa8835 Firmware
9.8
CVSS 3.1 · Vendor: qualcomm
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Severity by source

Vendor (qualcomm) PRIMARY
9.8 CRITICAL
AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Primary rating from Vendor (qualcomm) · only source for this CVE.

CVSS VectorVendor: qualcomm

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

Lifecycle Timeline

1
CVE Published
Nov 12, 2021 - 07:15 cve.org
CRITICAL 9.8

DescriptionCVE.org

Possible buffer overflow due to lack of parameter length check during MBSSID scan IE parse in Snapdragon Compute, Snapdragon Connectivity, Snapdragon Consumer Electronics Connectivity

AnalysisAI

Possible buffer overflow due to lack of parameter length check during MBSSID scan IE parse in Snapdragon Compute, Snapdragon Connectivity, Snapdragon Consumer Electronics Connectivity. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

Technical ContextAI

This vulnerability is classified as Buffer Copy without Size Check (CWE-120), which allows attackers to overflow a buffer to corrupt adjacent memory. Possible buffer overflow due to lack of parameter length check during MBSSID scan IE parse in Snapdragon Compute, Snapdragon Connectivity, Snapdragon Consumer Electronics Connectivity Affected products include: Qualcomm Aqt1000 Firmware, Qualcomm Qca1062 Firmware, Qualcomm Qca1064 Firmware, Qualcomm Qca2066 Firmware, Qualcomm Qca6320 Firmware.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Always validate buffer sizes before copy operations. Use bounded functions (strncpy, snprintf). Enable compiler protections.

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Same weakness CWE-120 – Classic Buffer Overflow

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CVE-2021-30321 vulnerability details – vuln.today
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