CVE-2008-3439: Speedbit Video Accelerator

High severity, CVSS 7.5. EPSS: 1.8% chance of exploitation in the next 30 days.

SpeedBit Video Acceleration before 2.2.1.8 does not properly verify the authenticity of updates, which allows man-in-the-middle attackers to execute arbitrary code via a Trojan horse update, as demonstrated by evilgrade and DNS cache poisoning.

Affected products

• Speedbit Speedbit Video Accelerator: up to and including 2.2.0.7

Published 2008-08-01. Last modified 2026-06-16.