Security Research

CVE-2023-31893 Vivo Play IPTV DNS Recursion DoS: amplification attack via carrier firmware

Thinking 2024-02-08 6 min read Research Dossier
#Vulnerability Analysis#Code Audit#Network Attack
Dark dossier of carrier firmware and DNS amplification flow

Telefônica Brasil’s Vivo Play IPTV device exposes DNS recursion to the public internet. Attackers can use DDoS-Ripper-style amplification tools to knock it offline.

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