Vulnerability Description
A state machine transition flaw in the Bluetooth Low Energy (BLE) stack of Cypress PSoC4 v3.66 allows attackers to bypass the pairing process and authentication via a crafted pairing_failed packet.
CVSS Score
8.1
HIGH
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
Related Weaknesses (CWE)
References
- https://github.com/yangting111/BLE_TEST/blob/main/result/PoC/Cypress/Auth_bypass
- https://www.infineon.com/cms/en/design-support/tools/sdk/psoc-software/psoc-4-co
FAQ
What is CVE-2025-44557?
CVE-2025-44557 is a vulnerability with a CVSS score of 8.1 (HIGH). A state machine transition flaw in the Bluetooth Low Energy (BLE) stack of Cypress PSoC4 v3.66 allows attackers to bypass the pairing process and authentication via a crafted pairing_failed packet.
How severe is CVE-2025-44557?
CVE-2025-44557 has been rated HIGH with a CVSS base score of 8.1/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2025-44557?
Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.