CVE-2021-30304

What it is

Possible buffer out of bound read can occur due to improper validation of TBTT count and length while parsing the beacon response in Snapdragon Compute, Snapdragon Connectivity, Snapdragon Consumer Electronics Connectivity

At a glance

Exploitability

Can be exploited over the network without logging in. High risk of service disruption.

Exploit odds

0.6% chance of exploitation in the next 30 days (EPSS).

Fix

A patch, advisory or fixed version is referenced. Upgrade or apply it.

Timeline

1. 2021-10-20 07:15 UTC PublishedDisclosed publicly on CVE.org and NVD
2. 2026-06-17 03:50 UTC Last updatedMost recent change to the record

Why it ranks here

• Exploited in the wild: no, CISA does not list it.
• Exploit odds: 0.6% in the next 30 days (EPSS).
• Severity: 7.5 HIGH (CVSS).
• Fix: a patch or advisory is linked.

Details

Published

2021-10-20 07:15 UTC

Last modified

2026-06-17 03:50 UTC

Exploit probability

0.6% · EPSS, next 30 days

Weakness

CWE-125 · Out-of-bounds read

Record status

Modified

Affected

• Qualcomm qca2062 Firmware
• Qualcomm qca2064 Firmware
• Qualcomm qca2065 Firmware
• Qualcomm qca2066 Firmware
• Qualcomm sc8280xp Firmware
• Qualcomm wcd9380 Firmware
• Qualcomm wcd9385 Firmware
• Qualcomm wcn6850 Firmware

Attack profile CVSS 3.1 · 7.5

Attack vector

Network

Complexity

Low

Privileges needed

None

User interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

None

Availability

High

Is it in your code?

Hand this to your coding agent. It searches your project for the affected products and checks versions. Nothing leaves your machine.

Read https://cve-list.com/agent/cve/CVE-2021-30304.md and follow it. Check whether this project is affected by CVE-2021-30304. Read only. Don't change anything and don't upload my code. Tell me yes, no or not sure, with the file as proof.

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