Description
There is a potential OOB Write vulnerability in the gen_prov_start function in pb_adv.c. The full length of the received data is copied into the link.rx.buf receiver buffer without any validation on the data size.
References (1)
Core 1
Core References
Scores
CVSS v3
7.6
EPSS
0.0002
EPSS Percentile
5.2%
Attack Vector
ADJACENT_NETWORK
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:H
CISA SSVC
Vulnrichment
Exploitation
none
Automatable
no
Technical Impact
partial
Details
CWE
CWE-120
Status
published
Products (1)
zephyrproject-rtos/Zephyr
< 4.2
Published
Nov 26, 2025
Tracked Since
Feb 18, 2026