What is CVE-2025-2962?

CVE-2025-2962 is a high-severity vulnerability in Zephyrproject Zephyr, classified under Loop with Unreachable Exit Condition (Infinite Loop). CVSS score: 7.5/10. Published 2025-06-24.

How severe is CVE-2025-2962?

High severity. CVSS v3 base score is 7.5 out of 10.

Vulnerability in Zephyrproject Zephyr

CVE-2025-2962

A denial-of-service issue in the dns implemenation could cause an infinite loop.

Published 2025-06-24 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

EPSS exploit prediction

EPSS: 0.006 (44.9th percentile), scored 2026-09-29.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 45th percentile — 44.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.005 · newest: 0.006 · change: +0.001

Affected products

Weakness classification (CWE)

CWE-835 — Loop with Unreachable Exit Condition (Infinite Loop)

References

github.com/zephyrproject-rtos/zephyr/security/advisories/GHSA-2qp5-c2vq-g2ww (Exploit, Patch, Third Party Advisory)

Frequently asked questions

What is CVE-2025-2962?: CVE-2025-2962 is a high-severity vulnerability in Zephyrproject Zephyr, classified under Loop with Unreachable Exit Condition (Infinite Loop). CVSS score: 7.5/10. Published 2025-06-24.
How severe is CVE-2025-2962?: High severity. CVSS v3 base score is 7.5 out of 10.