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OpenAdvisories
High · 8.8 CVE-2020-36910 EUVD-2026-1026GHSA-53xr-pv5p-mhrg

Cayin Signage Media Player 3.0 Authenticated Remote Command Injection via NTP Parameter

Published Jan 6, 2026 · Updated Jul 15, 2026 · Assigned by VulnCheck

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.

Affected products

VendorProductAffectedFixed
CAYIN Technology SMP-8000QD 3.0 —
CAYIN Technology SMP-8000 3.0 —
CAYIN Technology SMP-6000 3.0 Build 19025, 1.0 Build 14246, 1.0 Build 14199, 1.0 Build 14167, 1.0 Build 14097, 1.0 Build 14090, 1.0 Build 14069, 1.0 Build 14062 —
CAYIN Technology SMP-4000 1.0 Build 14098, 1.0 Build 14092, 1.0 Build 14087 —
CAYIN Technology SMP-2310 3.0 —
CAYIN Technology SMP-2300 3.0 Build 19316 —
CAYIN Technology SMP-2210 3.0 Build 19025 —
CAYIN Technology SMP-2200 3.0 Build 19029, 3.0 Build 19025 —
CAYIN Technology SMP-2100 10.0 Build 16228, 3.0 —
CAYIN Technology SMP-2000 1.0 Build 14167, 1.0 Build 14087 —
CAYIN Technology SMP-1000 1.0 Build 14099 —
CAYIN Technology SMP-PROPLUS 1.5 Build 10081 —
CAYIN Technology SMP-WEBPLUS 6.5 Build 11126 —
CAYIN Technology SMP-WEB4 2.0 Build 13073, 2.0 Build 11175, 1.5 Build 11476, 1.5 Build 11126, 1.0 Build 10301 —
CAYIN Technology SMP-300 1.0 Build 14177 —
CAYIN Technology SMP-200 1.0 Build 13080, 1.0 Build 12331 —
CAYIN Technology SMP-PRO4 1.0 —
CAYIN Technology SMP-NEO2 1.0 —
CAYIN Technology SMP-NEO 1.0 —

References