CVE-2025-1566

HIGH
7.5
CVSS Score
Published: April 16, 2025 at 11:06 PM UTC
Updated: June 17, 2026 at 08:39 AM UTC
1 product affected across 1 vendorChromeOS

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Severity
HIGH7.5
Exploit prediction
EPSS 0.2%
SSVC
PoC

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

v < 16002.23.016002.23.0
Affected range stops below 16002.23.0, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

References (2)

Broken Link
Source: 7f6e188d-c52a-4a19-8674-3c3fa7d1fc7f
https://issues.chromium.org/issues/b/342802975
Issue TrackingMailing List
Source: 7f6e188d-c52a-4a19-8674-3c3fa7d1fc7f
https://issuetracker.google.com/issues/342802975

SSVC — Action Prioritization

SSVCPoCAutomatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

7.5HIGHCISA-ADP
Attack Vector
NETWORK
Complexity
LOW
Privileges
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
HIGH
Vector?

Quick Info

StatusANALYZED
CWE
CWE-1319

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