CVE-2026-32833 Cudy LT300 3.0 OS Command Injection via NTP Configuration
Authenticated attackers can execute arbitrary commands on Cudy LT300 routers by injecting shell metacharacters into the NTP configuration parameter.
- 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-2026-32833?
CVE-2026-32833 is a high-severity command injection vulnerability in Shenzhen Cudy Technology Co., Ltd. LT300 3.0, published on 26 Jun 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
Cudy LT300 3.0 running firmware prior to version 2.5.12 contains an OS command injection vulnerability that allows authenticated attackers to execute arbitrary commands by injecting shell metacharacters into the cbid.system.ntp.current POST parameter in the system time configuration interface. Attackers can submit malicious payloads through the NTP settings endpoint to achieve remote code execution on the underlying system.
Weakness: CWE-78
Which versions are affected by CVE-2026-32833?
How do I fix CVE-2026-32833?
No fix has been published for CVE-2026-32833 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-2026-32833 being exploited?
There is no known exploitation of CVE-2026-32833 in the wild and no public exploit code.
Sources
Also known as GHSA-wcjj-vwjf-qqvc.