What is CVE-2025-12890?

CVE-2025-12890 is a medium-severity vulnerability in Zephyrproject-Rtos Zephyr, classified under CWE-703. CVSS score: 6.5/10. Published 2025-11-07.

How severe is CVE-2025-12890?

Medium severity. CVSS v3 base score is 6.5 out of 10.

Vulnerability in Zephyrproject-Rtos Zephyr

CVE-2025-12890

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.

EPSS: 0.002 (8.2th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

Affected products

Zephyrproject-rtos Zephyr

Weakness classification (CWE)

CWE-703

References

vulnerabilities@zephyrproject.org

Frequently asked questions

What is CVE-2025-12890?: CVE-2025-12890 is a medium-severity vulnerability in Zephyrproject-Rtos Zephyr, classified under CWE-703. CVSS score: 6.5/10. Published 2025-11-07.
How severe is CVE-2025-12890?: Medium severity. CVSS v3 base score is 6.5 out of 10.