CVE-2025-9558
High
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.
SeverityHigh
CVSS7.6
Exploit probability—
ProductZephyr
PublishedNov 26, 2025
First seenNov 26, 2025
Weakness typeCWE-120CWE-120
How to fix
Update
- zephyrproject-rtos Zephyr4.2.2 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| zephyrproject-rtos Zephyr | v < 4.2.2 | 4.2.2 |
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