MiniDVBLinux 5.4 Unauthenticated Root Password Change via System Setup

Advisories

severity: critical
date: December 9, 2025
Affecting: MiniDVBLinux <= 5.4
CVE: CVE-2023-53771
CWE: CWE-306 Missing Authentication for Critical Function
CVSS: 9.3
CVSS V4 Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
References: ExploitDB-51094
Zero Science Lab Disclosure (ZSL-2022-5715)
Official Product Homepage
Credit: LiquidWorm as Gjoko Krstic of Zero Science Lab
Description: MiniDVBLinux 5.4 contains an authentication bypass vulnerability that allows remote attackers to change the root password without authentication. Attackers can send crafted POST requests to the system setup endpoint with modified SYSTEM_PASSWORD parameters to reset root credentials.