CVE-2019-16336
Last modified
CVE-2019-16336 is a medium-severity vulnerability rated 6.5/10 on the CVSS scale. 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.. EPSS estimates a 1.48% chance of exploitation in the next 30 days.
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.
Metrics
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Cypress | Cyble-416045 | <= 2.10 |
| Cypress | Cybl11573 | <= 3.61 |
References
- https://asset-group.github.io/disclosures/sweyntooth/Exploit, Third Party Advisory
- https://community.cypress.com/thread/48573Vendor Advisory
- https://community.cypress.com/thread/53680Vendor Advisory
- https://www.youtube.com/watch?v=Iw8sIBLWE_wExploit, Third Party Advisory
- https://asset-group.github.io/disclosures/sweyntooth/Exploit, Third Party Advisory
- https://community.cypress.com/thread/48573Vendor Advisory
- https://community.cypress.com/thread/53680Vendor Advisory
- https://www.youtube.com/watch?v=Iw8sIBLWE_wExploit, Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
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How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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