CVE-2025-1566

Name: CVE-2025-1566
Creator: NVD / NIST
Published: 2025-04-16T23:15:44.767+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.5/10EPSS 0.19%

Last modified Jun 17, 2026

CVE-2025-1566 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. DNS Leak in Native System VPN in Google ChromeOS Dev Channel on ChromeOS 16002.23.0 allows network observers to expose plaintext DNS queries via failure to properly tunnel DNS traffic during VPN state transitions.. EPSS estimates a 0.19% chance of exploitation in the next 30 days.

Description

DNS Leak in Native System VPN in Google ChromeOS Dev Channel on ChromeOS 16002.23.0 allows network observers to expose plaintext DNS queries via failure to properly tunnel DNS traffic during VPN state transitions.

Metrics

CVSS 3.1

7.5/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

EPSS Probability

0.19%

9.1th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-1319

Affected Software

Vendor	Product	Versions
Google	Chrome Os	16002.23.0

References

https://issues.chromium.org/issues/b/342802975Broken Link
https://issuetracker.google.com/issues/342802975Issue Tracking, Mailing List

Timeline

Published: Apr 16, 2025
Last Modified: Jun 17, 2026
Status: Analyzed

Frequently Asked Questions

What is CVE-2025-1566?

How severe is CVE-2025-1566?

CVE-2025-1566 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 0.19% probability of exploitation in the next 30 days.

How do I fix CVE-2025-1566?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2025-1566?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST