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Fencer Intel
high 8.8

CVE-2020-36910 json

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

published 10mo ago modified 3mo ago also EUVD-2026-1026

cvss
8.8
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
1.4%
EPSS 1.4% chance of exploitation in 30 days, percentile 73%
public exploits
0
none known

Summary

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.

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CISA SSVC

Exploitation
Proof of concept is public
Automatable
no
Technical impact
total
Assessed
10mo ago

Exploit prediction

1.43% chance of exploitation in the next 30 days, higher than 73% of all scored CVEs (FIRST EPSS, 2026-11-09).

Exploits and checks

  • exploit-db.com https://www.exploit-db.com/exploits/48557 referenced PoC, tagged "exploit" by a source, unverified
  • packetstorm.news https://packetstorm.news/files/id/157942 referenced PoC, tagged "exploit" by a source, unverified
  • cxsecurity.com https://cxsecurity.com/issue/WLB-2020060049 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
CNA 4.0 8.7 CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
CNA 3.1 8.8 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CNA 4.0 8.7 CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

Affected products

  • CAYIN Technology SMP-8000QD
  • CAYIN Technology SMP-8000
  • CAYIN Technology SMP-6000
  • CAYIN Technology SMP-4000
  • CAYIN Technology SMP-2310
  • CAYIN Technology SMP-2300
  • CAYIN Technology SMP-2210
  • CAYIN Technology SMP-2200
  • CAYIN Technology SMP-2100
  • CAYIN Technology SMP-2000
  • CAYIN Technology SMP-1000
  • CAYIN Technology SMP-PROPLUS
  • CAYIN Technology SMP-WEBPLUS
  • CAYIN Technology SMP-WEB4
  • CAYIN Technology SMP-300
  • CAYIN Technology SMP-200
  • CAYIN Technology SMP-PRO4
  • CAYIN Technology SMP-NEO2
  • CAYIN Technology SMP-NEO

Classification

Weakness
  • CWE-78 Improper Neutralization of Special Elements used in an OS Command

References

Sources

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.