CVE-2025-7403

{"id": "CVE-2025-7403", "cveTags": [], "metrics": {"cvssMetricV31": [{"type": "Secondary", "source": "vulnerabilities@zephyrproject.org", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 7.6, "attackVector": "ADJACENT_NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:H", "integrityImpact": "LOW", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "LOW"}, "impactScore": 4.7, "exploitabilityScore": 2.8}]}, "published": "2025-09-19T06:15:35.960", "references": [{"url": "https://github.com/zephyrproject-rtos/zephyr/security/advisories/GHSA-9r46-cqqw-6j2j", "source": "vulnerabilities@zephyrproject.org"}], "vulnStatus": "Awaiting Analysis", "weaknesses": [{"type": "Secondary", "source": "vulnerabilities@zephyrproject.org", "description": [{"lang": "en", "value": "CWE-123"}]}], "descriptions": [{"lang": "en", "value": "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."}], "lastModified": "2025-09-19T16:00:27.847", "sourceIdentifier": "vulnerabilities@zephyrproject.org"}