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Fencer Vulns
high 8.8

CVE-2020-36910 json

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

published 2026-01-06 10 mo ago modified 2026-07-15 3 mo 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.

CISA SSVC

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

Exploit prediction

1.43% chance of exploitation in the next 30 days, higher than 73% of all scored CVEs (FIRST EPSS, 2026-11-08).

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 Vulns 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.