CVE-2025-1566: chrome os (CVSS 7.5)

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.

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CVSS v3.1 Score

7.5

HIGH

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

Weakness Type (CWE)

CWE-1319 CWE-1319

Affected Products

Vendor	Product	Versions
google	chrome_os	All

References

Other References

https://issues.chromium.org/issues/b/342802975 https://issuetracker.google.com/issues/342802975

Frequently Asked Questions

What is CVE-2025-1566? +

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. It has a CVSS v3.1 base score of 7.5 (HIGH).

How severe is CVE-2025-1566? +

CVE-2025-1566 has a CVSS v3.1 score of 7.5 out of 10, rated HIGH. This is a high-severity vulnerability that should be prioritized for patching.

What products are affected by CVE-2025-1566? +

CVE-2025-1566 affects products from google, specifically: chrome_os. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2025-1566? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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