PT-2025-38513 · Bluetooth · Bluetooth

Maorrakach · Published 2025-09-19 · Updated 2025-09-19 · CVE-2025-7403

Positive Technologies (AI Summary)

CVSS v3.1

7.6

High

Base vector

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

Name of the Vulnerable Software and Affected Versions Bluetooth (affected versions not specified)

Description An unsafe handling issue in bt conn tx processor can lead to a use-after-free condition, resulting in a write-before-zero. The written 4 bytes are attacker-controlled, enabling precise memory corruption.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Weakness Enumeration

CWE-123

Related Identifiers

CVE-2025-7403

GHSA-9R46-CQQW-6J2J

Affected Products

Bluetooth

References · 7

• https://github.com/zephyrproject-rtos/zephyr/security/advisories/GHSA-9r46-cqqw-6j2j · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2025-7403 · Security Note
• https://osv.dev/vulnerability/CVE-2025-7403 · Vendor Advisory
• https://twitter.com/CVEnew/status/1968923556911198408 · Twitter Post
• https://t.me/cveNotify/135912 · Telegram Post
• https://twitter.com/VulmonFeeds/status/1968956465252598218 · Twitter Post
• https://t.me/CVEtracker/32920 · Telegram Post