CVE-2025-7403

published 2025-09-19

CVE-2025-7403: Unsafe handling in bt_conn_tx_processor causes a use-after-free, resulting in a write-before-zero. The written 4 bytes are attacker-controlled, enabling…

Priority P4 27 medium 6.5 CVSS 3.1

AV A AC L PR N UI N S U C N I N A H

Unsafe handling in bt_conn_tx_processor causes a use-after-free, resulting in a write-before-zero. The written 4 bytes are attacker-controlled, enabling precise memory corruption.

Affected

2 ranges

Vendor	Product	Version range	Fixed in
zephyrproject-rtos	zephyr	* – 4.1	—
zephyrproject	zephyr	<= 4.1.0	—

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CWE-123