CVE-2021-4465: Request Serious Play Llc Request Serious Play

High severity, CVSS 8.7. EPSS: 0.5% chance of exploitation in the next 30 days.

ReQuest Serious Play F3 Media Server versions 7.0.3.4968 (Pro), 7.0.2.4954, 6.5.2.4954, 6.4.2.4681, 6.3.2.4203, and 2.0.1.823 contain a remote denial-of-service vulnerability. The device can be shut down or rebooted by an unauthenticated attacker through a single crafted HTTP GET request, allowing remote interruption of service availability.

Affected products

• Request Serious Play Llc Request Serious Play: version 7.0.2.4954 only; version 6.5.2.4954 only; version 6.4.2.4681 only; version 6.3.2.4203 only; version 2.0.1.823 only
• Request Serious Play Llc Request Serious Play Pro: version 7.0.3.4968 only

Published 2025-11-14. Last modified 2026-06-17.