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Medium 6.5Published Dec 15, 2025
CVE-2025-12035Bluetooth: Integer Overflow in Bluetooth Classic (BR/EDR) L2CAP
Updated under an hour ago ()
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It affects zephyrproject-rtos Zephyr. Add what you run to find out whether that includes you.
No exploitation reported and no EPSS estimate yet.
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An integer overflow condition exists in Bluetooth Host stack, within the bt_br_acl_recv routine a critical path for processing inbound BR/EDR L2CAP traffic.
- CVSS
- 6.5 MEDIUM (v3.1, CNA)CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- Weakness (CWE)
- CWE-190
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- Not loaded for this CVE
- Assigned by
- zephyr
- NVD analysis
- Deferred
- Record last updated
- Oct 13, 2026
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
zephyrproject-rtos Zephyr zephyrproject_rtos:zephyr (from the name) | before 4.3.0 | CNA record |
References
- https://github.com/zephyrproject-rtos/zephyr/security/advisories/GHSA-p793-3456-h7w3
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.