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.
CVE ID: CVE-2024-6199
CVSS Base Severity: HIGH
CVSS Base Score: 7.7
CVSS 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
Vendor: ViaSat, Viasat
Product: RM5110, RM5111, RG1100, EG1000, EG1020
EPSS Score: 0.02% (probability of being exploited)
EPSS Percentile: 3.2% (scored less or equal to compared to others)
EPSS Date: 2025-05-24 (when was this score calculated)