CVE-2020-36910

HIGH

Cayin Signage Media Player 3.0 - Command Injection

Title source: llm

Exploitation Summary

EIP tracks 1 public exploit for CVE-2020-36910. PoCs published by LiquidWorm.

AI-analyzed exploit summary This Python script exploits an authenticated remote command injection vulnerability in Cayin Signage Media Player 3.0 by injecting arbitrary shell commands via the 'NTP_Server_IP' parameter in system.cgi. The exploit uses default credentials ('webadmin/admin') to authenticate and execute commands as root.

Description

Cayin Signage Media Player 3.0 contains an authenticated remote command injection vulnerability in system.cgi and wizard_system.cgi pages. Attackers can exploit the 'NTP_Server_IP' parameter with default credentials to execute arbitrary shell commands as root.

Exploits (1)

exploitdb WORKING POC

by LiquidWorm · pythonwebappsmultiple

https://www.exploit-db.com/exploits/48557

View Code ZIP pw:eip

This Python script exploits an authenticated remote command injection vulnerability in Cayin Signage Media Player 3.0 by injecting arbitrary shell commands via the 'NTP_Server_IP' parameter in system.cgi. The exploit uses default credentials ('webadmin/admin') to authenticate and execute commands as root.

Classification

Working Poc 95%

Attack Type

Rce

Complexity

Trivial

Reliability

Reliable

Target: Cayin Signage Media Player 3.0 (multiple models)

Auth required

Prerequisites: Network access to the target device · Default credentials ('webadmin/admin')

MITRE ATT&CK

T1190 - Exploit Public-Facing Application T1059 - Command and Scripting Interpreter

mistral-large-3 · analyzed Feb 18, 2026 Full analysis →

References (7)

Core 7

Core References

Third Party Advisory third-party-advisory

https://www.vulncheck.com/advisories/cayin-signage-media-player-authenticated-remote-command-injection-via-ntp-parameter

Exploit, Third Party Advisory exploit

https://www.exploit-db.com/exploits/48557

Various Sources product

https://www.cayintech.com

Third Party Advisory third-party-advisory

https://www.zeroscience.mk/en/vulnerabilities/ZSL-2020-5569.php

Various Sources exploit

https://packetstorm.news/files/id/157942

Third Party Advisory, VDB Entry vdb-entry

https://exchange.xforce.ibmcloud.com/vulnerabilities/182924

Issue Tracking exploit

https://cxsecurity.com/issue/WLB-2020060049

Scores

CVSS v3 8.8

EPSS 0.0128

EPSS Percentile 67.1%

Attack Vector NETWORK

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

CISA SSVC

Vulnrichment

Exploitation poc

Automatable no

Technical Impact total

Details

CWE

CWE-78

Status published

Products (36)

CAYIN Technology/SMP-1000 1.0 Build 14099

CAYIN Technology/SMP-200 1.0 Build 12331

CAYIN Technology/SMP-200 1.0 Build 13080

CAYIN Technology/SMP-2000 1.0 Build 14087

CAYIN Technology/SMP-2000 1.0 Build 14167

CAYIN Technology/SMP-2100 10.0 Build 16228

CAYIN Technology/SMP-2100 3.0

CAYIN Technology/SMP-2200 3.0 Build 19025

CAYIN Technology/SMP-2200 3.0 Build 19029

CAYIN Technology/SMP-2210 3.0 Build 19025

... and 26 more

Published Jan 06, 2026

Tracked Since Feb 18, 2026