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 precise memory corruption.
Scoring
- Severity
- HIGH
- CVSS base score
- 7.6
- CVSS vector
- CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:H
- EPSS probability
- 0.21%
- CWE
- CWE-123
- Published
- 2025-09-19
- Last modified
- 2026-03-12
Affected products
- zephyrproject-rtos Zephyr
Weakness type
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