Description
OpenSynergy BlueSDK (aka Blue SDK) through 6.x has Improper Input Validation. The specific flaw exists within the BlueSDK Bluetooth stack. The issue results from the lack of proper validation of remote L2CAP channel ID (CID). An attacker can leverage this to create an L2CAP channel with the null identifier assigned as a remote CID.
Affected products
opensynergy: blue sdk
References2
- pcacybersecurity.com/resources/advisory/perfekt-blue ExploitThird Party Advisory
- www.opensynergy.com/ Product
Metrics
- CVSS 3.1
-
5.3
MEDIUM
Score source: CNA
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N - EPSS — exploit probability
- 6% percentile: 93 · as of 8 November 2026
- CWE
- CWE-20
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