Description
Improper handling of malformed Connection Request with the interval set to be 1 (which supposed to be illegal) and the chM 0x7CFFFFFFFF triggers a crash. The peripheral will not be connectable after it.
Scores
CVSS v3
6.5
EPSS
0.0002
EPSS Percentile
6.5%
Attack Vector
ADJACENT_NETWORK
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CISA SSVC
Vulnrichment
Exploitation
none
Automatable
no
Technical Impact
partial
Details
CWE
CWE-703
Status
published
Products (1)
zephyrproject-rtos/Zephyr
< 4.1
Published
Nov 07, 2025
Tracked Since
Feb 18, 2026