cbcvebase.
CVE-2021-3625
published 2021-10-05

CVE-2021-3625: Buffer overflow in Zephyr USB DFU DNLOAD. Zephyr versions >= v2.5.0 contain Heap-based Buffer Overflow (CWE-122). For more information, see…

PriorityP351critical9.8CVSS 3.1
AVNACLPRNUINSUCHIHAH
EPSS
2.27%
80.9th percentile
Buffer overflow in Zephyr USB DFU DNLOAD. Zephyr versions >= v2.5.0 contain Heap-based Buffer Overflow (CWE-122). For more information, see https://github.com/zephyrproject-rtos/zephyr/security/advisories/GHSA-c3gr-hgvr-f363

Affected

2 ranges
VendorProductVersion rangeFixed in
zephyrproject-rtoszephyr>= v2.5.0 < unspecifiedunspecified
zephyrprojectzephyr>= 2.5.0 < 2.7.02.7.0

CVSS provenance

nvdv3.19.8CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
nvdv2.07.5HIGHAV:N/AC:L/Au:N/C:P/I:P/A:P
Stop checking back — get the weekly exploitation signal.

Every Monday: what got weaponized or added to CISA KEV in the last seven days — each CVE cross-linked to its PoC, Nuclei template, and detection rule. Free, one email a week, unsubscribe in one click.