CVE-2025-44557

State: Published
Severity: 8.1 High
Published: Jun 27, 2025
Updated: Jul 2, 2025
Reserved: Apr 22, 2025

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.

Scores

CVSS	Score	Vector	Source
3.1	8.1 High	CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N	CISA-ADP

Weaknesses

CWE-303 Incorrect Implementation of Authentication Algorithm

Affected Products

Product	Versions
n/an/a	n/aAffected

References

https://www.infineon.com/cms/en/design-support/tools/sdk/psoc-software/psoc-4-components/psoc-creator-component-datasheet-bluetooth-low-energy-ble/
https://github.com/yangting111/BLE_TEST/blob/main/result/PoC/Cypress/Auth_bypass.md

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