CVE-2024-6199

Unauthenticated Remote Code Execution

Published Apr 25, 2025 CVSS 4.0 · 7.7 High EPSS < 1% KEV · Not listed
Description
An unauthenticated attacker on the WAN interface, with the ability to intercept Dynamic DNS (DDNS) traffic between DDNS services and the modem, could manipulate specific responses to include code that forces a buffer overflow on the modem.

Customers that have not enabled Dynamic DNS on their modem are not vulnerable.

Remediation

Vendor Solution

A patch has been deployed by Viasat through the auto-update mechanism. Make sure you're running on a version above 4.3.0.2 to validate that your modem was updated.


Vendor Workaround

Disable Dynamic DNS on your modem.

Tracking

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Advisories

Source ID Title
EUVD EUVD EUVD-2025-12539 An unauthenticated attacker on the WAN interface, with the ability to intercept Dynamic DNS (DDNS) traffic between DDNS services and the modem, could manipulate specific responses to include code that forces a buffer overflow on the modem. Customers that have not enabled Dynamic DNS on their modem are not vulnerable.
History
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Type Values Removed Values Added
Description An unauthenticated attacker on the WAN interface, with the ability to intercept Dynamic DNS (DDNS) traffic between DDNS services and the modem, could manipulate specific responses to include code that forces a buffer overflow on the modem. Customers that have not enabled Dynamic DNS on their modem are not vulnerable.
Title Unauthenticated Remote Code Execution
Weaknesses CWE-120
References
Metrics cvssV4_0

{'score': 7.7, 'vector': 'CVSS:4.0/AV:A/AC:H/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/S:N/AU:N/R:U/V:D/RE:M/U:Red'}

Subscriptions

No data.

Weaknesses

Sources

Status
PUBLISHED
Assigner
ONEKEY
Published
Updated
Apr 25, 2025, 2:25 PM
Reserved
Jun 20, 2024, 9:18 AM
Status
Deferred
Published
Apr 25, 2025, 1:15 PM
Modified
Jun 17, 2026, 8:17 AM