CVE-2025-44557 Auth bypass in n/a

High 8.1 Published Updated

Attackers can bypass Bluetooth pairing and authentication in Cypress PSoC4 devices by sending a crafted pairing_failed packet.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Local or same network only
Victim action needed
Not needed
Fix
None listed

What is CVE-2025-44557?

CVE-2025-44557 is a high-severity authentication bypass vulnerability in n/a, published on 27 Jun 2025. It can only be exploited from the same machine or local network, with no action from the victim.

Official 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.

Weakness: CWE-303

Which versions are affected by CVE-2025-44557?

How do I fix CVE-2025-44557?

No fix has been published for CVE-2025-44557 yet. Limit exposure of the affected software until one is available.

Upgrade, and rotate credentials and sessions that may have been exposed. More about Authentication bypass.

Is CVE-2025-44557 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2025-44557 exists.

Sources

Also known as GHSA-5m62-c8gp-6qqv.

Is CVE-2025-44557 in your software?

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