CVE-2021-47821: Raimersoft Rarmaradio

High severity, CVSS 7.5. EPSS: 0.4% chance of exploitation in the next 30 days.

RarmaRadio 2.72.8 contains a denial of service vulnerability that allows attackers to crash the application by overflowing network configuration fields with large character buffers. Attackers can generate a 100,000 character buffer and paste it into multiple network settings fields to trigger application instability and potential crash.

Affected products

Published 2026-01-16. Last modified 2026-06-17.