CVE-2025-1566

HIGHNVD 7.57.5—Trending — 3 sources updated this weekElevated

7.5

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.

CVSS v3: 7.5
EG Score: 7.5(medium)
EPSS: 52.8%
KEV: Not listed

Published

April 16, 2025

Last Modified

July 8, 2025

References (2)

7f6e188d-c52a-4a19-8674-3c3fa7d1fc7fhttps://issues.chromium.org/issues/b/342802975
7f6e188d-c52a-4a19-8674-3c3fa7d1fc7fhttps://issuetracker.google.com/issues/342802975

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

CWE-1319

Data Freshness Timeline

(refreshed 11× in last 7d / 11× in last 30d)

Every time one of our enrichment pipelines (NVD, MITRE cvelistV5, EPSS, CISA KEV, GHSA, OSV, vendor advisories) ran against this CVE. Most recent first.

2026-06-02 20:12 UTCepss_batch
2026-06-02 20:12 UTCepss_batch
2026-06-01 13:51 UTCepss_batch
2026-06-01 13:51 UTCepss_batch
2026-05-31 22:30 UTCepss_batch
2026-05-31 22:30 UTCepss_batch
2026-05-31 00:16 UTCepss_batch
2026-05-31 00:16 UTCepss_batch
2026-05-30 07:12 UTCEG score recompute
2026-05-30 07:12 UTCGHSA enrichment
2026-05-29 13:44 UTCepss_batch

Frequently asked(5)

What is CVE-2025-1566?

CVE-2025-1566 is a high vulnerability published on April 16, 2025. 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.

When was CVE-2025-1566 disclosed?

CVE-2025-1566 was first published in the National Vulnerability Database on April 16, 2025, with the most recent update on July 8, 2025. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2025-1566 actively exploited?

CVE-2025-1566 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 52.8% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2025-1566?

CVE-2025-1566 has a CVSS v3 base score of 7.5 (NVD).

How do I remediate CVE-2025-1566?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2025-1566, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

See which npm, PyPI, Go, and Maven packages are affected by CVE-2025-1566

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Is Your Infrastructure Affected by CVE-2025-1566?

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CVE-2025-1566

📅 Published

🔄 Last Modified

🔗 References (2)