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CVE-2019-16336

MEDIUM
6.5
CVSS Score
Published: February 12, 2020 at 05:59 PM UTC
Updated: June 17, 2026 at 02:22 AM UTC
2 products affected across 1 vendorCyble 416045CYBL11573

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Severity
MEDIUM6.5
Exploit prediction
EPSS 1%

Description

The Bluetooth Low Energy implementation in Cypress PSoC 4 BLE component 3.61 and earlier processes data channel frames with a payload length larger than the configured link layer maximum RX payload size, which allows attackers (in radio range) to cause a denial of service (crash) via a crafted BLE Link Layer frame.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

References (4)

x_refsource_MISCExploitThird Party Advisory
Source: [email protected]
https://asset-group.github.io/disclosures/sweyntooth/
x_refsource_MISCVendor Advisory
Source: [email protected]
https://community.cypress.com/thread/48573
x_refsource_MISCVendor Advisory
Source: [email protected]
https://community.cypress.com/thread/53680
x_refsource_MISCExploitThird Party Advisory
Source: [email protected]
https://www.youtube.com/watch?v=Iw8sIBLWE_w

CVSS

6.5MEDIUM[email protected]
Attack Vector
ADJACENT_NETWORK
Complexity
LOW
Privileges
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
HIGH
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-120

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