CVE-2020-36910 Cayin Signage Media Player 3.0 Authenticated Remote Command Injection via NTP Parameter
Authenticated attackers can execute arbitrary shell commands as root via the NTP parameter in Cayin Signage Media Player devices.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2020-36910?
CVE-2020-36910 is a high-severity command injection vulnerability in CAYIN Technology SMP-1000, published on 6 Jan 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Official 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.
Weakness: CWE-78
Which versions are affected by CVE-2020-36910?
How do I fix CVE-2020-36910?
No fix has been published for CVE-2020-36910 yet. Limit exposure of the affected software until one is available.
Upgrade, and pass arguments to programs as a list instead of through a shell. More about Command injection.
Is CVE-2020-36910 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2020-36910 exists.
Sources
Also known as GHSA-53xr-pv5p-mhrg.