What is CVE-2025-44557?

CVE-2025-44557 is a high-severity vulnerability in N/a, classified under Incorrect Implementation of Authentication Algorithm. CVSS score: 8.1/10. Published 2025-06-27.

How severe is CVE-2025-44557?

High severity. CVSS v3 base score is 8.1 out of 10.

Vulnerability in N/a

CVE-2025-44557

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.

EPSS: 0.003 (17.2th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.1 (High). Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N.

Affected products

N/a — versions n/a

Weakness classification (CWE)

CWE-303 — Incorrect Implementation of Authentication Algorithm

References

cve@mitre.org
cve@mitre.org

Frequently asked questions

What is CVE-2025-44557?: CVE-2025-44557 is a high-severity vulnerability in N/a, classified under Incorrect Implementation of Authentication Algorithm. CVSS score: 8.1/10. Published 2025-06-27.
How severe is CVE-2025-44557?: High severity. CVSS v3 base score is 8.1 out of 10.