Back to Database
Status published
High
CVE-2025-7403
Bluetooth: bt_conn_tx_processor unsafe handling
Vulnerability Description
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.
Impact Analysis
Refer to official advisory for detailed impact metrics.
Remediation
Ensure systems are updated to the latest vendor-supplied patch levels.
THREAT MONITOR
Am I Vulnerable?
Launch our assessment wizard to check if your infrastructure is exposed to • CVE-2025-7403
Credits & Attribution
No credits recorded in the NVD database.
More from zephyrproject-rtos
View All →CVE-2025-9558
Bluetooth: Mesh: Out-of-Bound Write in gen_prov_start
High
7.6
CVE-2025-9557
Bluetooth: Mesh: Out-of-Bound Write in gen_prov_cont
High
7.6
CVE-2025-9408
Userspace privilege escalation vulnerability on Cortex M
High
8.2
CVE-2025-2962
Infinite loop in dns_copy_qname
High
8.2
CVE-2025-1675
Out of bounds read in dns_copy_qname
High
8.2
Affected Vendor
zephyrproject-rtos
View all reports →Affected Software
Zephyr
Vulnerable Versions:
*
Timeline
Official Publish:
September 19th, 2025
Last Modified:
September 19th, 2025
Added to House:
July 22nd, 2026
CVSS Vectors
V3:
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:H
Weaknesses (CWE)
MITRE ATT&CK TTPs
No associated TTPs found for this vulnerability.