CVE-2021-30308

highpriority · track · 31EPSS 0.002 · 5 %ileEUUS

grimoire priorityP2 · Scheduled

Exploitable?

—

no known exploitation

Likely / severe?

0.16% (5th) EPSS

CVSS 7.2 · high

Is it mine?

87 products

Check your exposure

Who says so?

3 sources

cnnvd · enisa_euvd · nvd

EPSS · scored 2026-10-27

Possible buffer overflow while printing the HARQ memory partition detail due to improper validation of buffer size in Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon Mobile

cvss

Technical severity, 0–10. One row per scoring source.

7.8

010

base score 0–10 · higher = more severe · hover a vector to decode

v2.07.2highAV:L/AC:L/Au:N/C:C/I:C/A:Cprimary · NVD / NIST USexploitability 3.9 · impact 10

v3.17.8highCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:Hprimary · NVD / NIST USexploitability 1.8 · impact 5.9

v3.17.8highCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:Hsecondary · ENISA EU

v3.17.8highCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:Hsecondary · product-security@qualcomm.comexploitability 1.8 · impact 5.9

v3.17.1highCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:Usecondary · CVSS-BT (t0sche)

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-120USprimary

affected products (87)

Products and version ranges known to be affected.

Qualcomm, Inc. Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon Mobile≤ AQT1000, AR8035, CSRB31024, FSM10056, MDM9150, MDM9250, MDM9650, QCA6174A, QCA6390, QCA6391, QCA6420, QCA6426, QCA6430, QCA6436, QCA6564A, QCA6564AU, QCA6574A, QCA6574AU, QCA6595AU, QCA6696, QCA8081, QCA8337, QCA9377, QCS410, QCS603, QCS605, QCS610, QCX315, SA415M, SA515M, SD 675, SD 8 Gen1 5G, SD 8cx Gen2, SD480, SD660, SD665, SD675, SD678, SD690 5G, SD720G, SD730, SD750G, SD765, SD765G, SD768G, SD7c, SD845, SD850, SD855, SD865 5G, SD870, SDX12, SDX20, SDX24, SDX55, SDX55M, SDX65, SDXR1, SDXR2 5G, SM6250, SM6250P, SM6375, SM7250P, WCD9326, WCD9335, WCD9340, WCD9341, WCD9360, WCD9370, WCD9375, WCD9380, WCD9385, WCN3950, WCN3980, WCN3988, WCN3990, WCN3991, WCN3998, WCN6850, WCN6851, WCN6855, WCN6856, WSA8810, WSA8815, WSA8830, WSA8835enisa_euvdEU
qualcomm aqt1000 firmwareall versionsnvdUScpe:2.3:o:qualcomm:aqt1000_firmware:*:*:*:*:*:*:*:*
qualcomm ar8035 firmwareall versionsnvdUScpe:2.3:o:qualcomm:ar8035_firmware:*:*:*:*:*:*:*:*
qualcomm csrb31024 firmwareall versionsnvdUScpe:2.3:o:qualcomm:csrb31024_firmware:*:*:*:*:*:*:*:*
qualcomm fsm10056 firmwareall versionsnvdUScpe:2.3:o:qualcomm:fsm10056_firmware:*:*:*:*:*:*:*:*
qualcomm mdm9150 firmwareall versionsnvdUScpe:2.3:o:qualcomm:mdm9150_firmware:*:*:*:*:*:*:*:*
qualcomm mdm9250 firmwareall versionsnvdUScpe:2.3:o:qualcomm:mdm9250_firmware:*:*:*:*:*:*:*:*
qualcomm mdm9650 firmwareall versionsnvdUScpe:2.3:o:qualcomm:mdm9650_firmware:*:*:*:*:*:*:*:*
qualcomm qca6174a firmwareall versionsnvdUScpe:2.3:o:qualcomm:qca6174a_firmware:*:*:*:*:*:*:*:*
qualcomm qca6390 firmwareall versionsnvdUScpe:2.3:o:qualcomm:qca6390_firmware:*:*:*:*:*:*:*:*
qualcomm qca6391 firmwareall versionsnvdUScpe:2.3:o:qualcomm:qca6391_firmware:*:*:*:*:*:*:*:*
qualcomm qca6420 firmwareall versionsnvdUScpe:2.3:o:qualcomm:qca6420_firmware:*:*:*:*:*:*:*:*
qualcomm qca6426 firmwareall versionsnvdUScpe:2.3:o:qualcomm:qca6426_firmware:*:*:*:*:*:*:*:*
qualcomm qca6430 firmwareall versionsnvdUScpe:2.3:o:qualcomm:qca6430_firmware:*:*:*:*:*:*:*:*
qualcomm qca6436 firmwareall versionsnvdUScpe:2.3:o:qualcomm:qca6436_firmware:*:*:*:*:*:*:*:*
qualcomm qca6564a firmwareall versionsnvdUScpe:2.3:o:qualcomm:qca6564a_firmware:*:*:*:*:*:*:*:*
qualcomm qca6564au firmwareall versionsnvdUScpe:2.3:o:qualcomm:qca6564au_firmware:*:*:*:*:*:*:*:*
qualcomm qca6574a firmwareall versionsnvdUScpe:2.3:o:qualcomm:qca6574a_firmware:*:*:*:*:*:*:*:*
qualcomm qca6574au firmwareall versionsnvdUScpe:2.3:o:qualcomm:qca6574au_firmware:*:*:*:*:*:*:*:*
qualcomm qca6595au firmwareall versionsnvdUScpe:2.3:o:qualcomm:qca6595au_firmware:*:*:*:*:*:*:*:*

showing 20 of 87

also known as (3)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd nvd NVD CVE.org MITRE

published 2022-01-13modified 2026-06-17

related (5,669)

Related entries.

ID	severity	EPSS	exploitable	published
CVE-2025-43520US	medium5.5OT critical	0.43% (37th)	KEV	2025-12-12
A memory corruption issue was addressed with improved memory handling. This issue is fixed in iOS 18.7.2 and iPadOS 18.7.2, iOS 26.1 and iPadOS 26.1, macOS Sequoia 15.7.2, macOS So…
CVE-2025-20333US	—OT critical	71.2% (99th)	KEV	2025-09-25
A vulnerability in the VPN web server of Cisco Secure Firewall Adaptive Security Appliance (ASA) Software and Cisco Secure Firewall Threat Defense (FTD) Software could allow an aut…
CVE-2025-39682US	critical9.8OT critical	3.25% (88th)	KEV	2025-09-05
In the Linux kernel, the following vulnerability has been resolved: tls: fix handling of zero-length records on the rx_list Each recvmsg() call must process either - only contig…
CVE-2025-31277US	—OT critical	1.66% (77th)	KEV	2025-07-30
The issue was addressed with improved memory handling. This issue is fixed in Safari 18.6, iOS 18.6 and iPadOS 18.6, macOS Sequoia 15.6, tvOS 18.6, visionOS 2.6, watchOS 11.6. Proc…
CVE-2025-24985US	—OT critical	3.89% (90th)	KEV	2025-03-11
Integer overflow or wraparound in Windows Fast FAT Driver allows an unauthorized attacker to execute code locally.

+5664 more

references (8)

External citations — patches, advisories, analysis.

scry

Attackers weaponise vulnerabilities like this against internet-exposed services. See what is exposed on your perimeter with a free passive scan.

Free scan