CVE-2025-34433

Critical

Description

AVideo versions 14.3.1 prior to 20.1 contain an unauthenticated remote code execution vulnerability caused by predictable generation of an installation salt using PHP uniqid(). The installation timestamp is exposed via a public endpoint, and a derived hash identifier is accessible through unauthenticated API responses, allowing attackers to brute-force the remaining entropy. The recovered salt can then be used to encrypt a malicious payload supplied to a notification API endpoint that evaluates attacker-controlled input, resulting in arbitrary code execution as the web server user.

SeverityCritical
CVSS9.3
Exploit probability—
ProductAVideo
PublishedDec 19, 2025
First seenDec 19, 2025

How to fix

Update
  • World Wide Broadcast Network AVideo20.1 or later

Affected products

ProductAffected versionsFixed in
World Wide Broadcast Network AVideo14.3.1 ≤ v < 20.120.1

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