CVE-2023-31893: Telefonica Brasil Vivo Play Firmware

High severity, CVSS 7.5. EPSS: 0.9% chance of exploitation in the next 30 days.

Telefnica Brasil Vivo Play (IPTV) Firmware: 2023.04.04.01.06.15 is vulnerable to Denial of Service (DoS) via DNS Recursion.

Affected products

• Telefonica Brasil Vivo Play Firmware: version 2023.04.04.01.06.15 only

Published 2023-06-05. Last modified 2026-06-17.