MiniDVBLinux 5.4 Unauthenticated Configuration Download via Backup Endpoint

Advisories

severity: high
date: December 9, 2025
Affecting: MiniDVBLinux(TM) Distribution (MLD) <=5.4
CVE: CVE-2023-53770
CWE: CWE-260 Password in Configuration File
CVSS: 8.7
CVSS V4 Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N
References: ExploitDB-51091
MiniDVBLinux Product Homepage
Zero Science Lab Disclosure (ZSL-2022-5713)
Credit: LiquidWorm as Gjoko Krstic of Zero Science Lab
Description: MiniDVBLinux 5.4 contains an unauthenticated configuration download vulnerability that allows remote attackers to access sensitive system configuration files through a direct object reference. Attackers can exploit the backup download endpoint by sending a GET request with 'action=getconfig' to retrieve a complete system configuration archive containing sensitive credentials.