RED-V Super Digital Signage System 5.1.1 Log Information Disclosure Vulnerability

Advisories

severity: medium
date: January 5, 2026
Affecting: Model name: RXV-A740R
Android version: 5.1.1
Firmware version: 026
Player version: 7.8.6
Downloader version: 7.5.2
Launcher version: 6.8.8
CVE: CVE-2020-36921
CWE: CWE-548 Exposure of Information Through Directory Listing
CVSS: 6.9
CVSS V4 Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N
References: Zero Science Lab Disclosure (ZSL-2020-5609)
Packet Storm Security Exploit Entry
IBM X-Force Vulnerability Exchange
CXSecurity Vulnerability Database
RED-V Vendor Homepage
Credit: LiquidWorm as Gjoko Krstic of Zero Science Lab
Description: RED-V Super Digital Signage System 5.1.1 contains an information disclosure vulnerability that allows unauthenticated attackers to access sensitive webserver log files. Attackers can visit multiple endpoints to retrieve system resources and debug log information without authentication.