Vulnerability · Published Sep 19, 2025 · Assigned by zephyr

CVE-2025-10457Bluetooth: Out-Of-Context le_conn_rsp Handling

Medium 4.3

In plain English

A medium-severity security flaw in Zephyr from zephyrproject-rtos. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.4% (higher than 34% of all known vulnerabilities).

Severity (CVSS 3.1)4.3Medium
Exploit odds (30 days)0.4%top 66.0% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official description

The function responsible for handling BLE connection responses does not verify whether a response is expected—that is, whether the device has initiated a connection request. Instead, it relies solely on identifier matching.

Affected products (as reported)

VendorProductVersions
zephyrproject-rtos Zephyr * – before 4.3.0

Weakness: CWE-358 · Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

References