CVE-2025-44557

High

Published: 27 June 2025

Published

27 June 2025

Modified

15 April 2026

KEV Added

—

Patch

—

CVSS Score v3.1 8.1 CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N

EPSS Score 0.0010 27.6th percentile

Risk Priority 16 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2025-44557 is a high-severity Incorrect Implementation of Authentication Algorithm (CWE-303) vulnerability in Infineon (inferred from references). Its CVSS base score is 8.1 (High).

Operationally, ranked at the 27.6th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog.

EU & UK References

🇪🇺 ENISA EUVD: EUVD-2025-19417

Vulnerability details

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.

CWE(s): CWE-303

Related Threats

No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.

Affected Assets

Infineon

—

inferred from references and description; NVD did not file a CPE for this CVE

Mitigating Controls

No mitigating controls mapped yet. The per-CVE control annotator has not reached this CVE.