Cudy LT300 3.0 OS Command Injection via NTP Configuration
Key facts
- Attack vector
- Network
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Attack requirements
- None
- Impact type
- Code execution
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- Fixed
Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-78.
Summary
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.
Why it matters now
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Total
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Shenzhen Cudy Technology Co., Ltd. | LT300 3.0 | before 2.5.12 | 2.5.12 | Patch available | CNA |
- LT300 3.0 VendorShenzhen Cudy Technology Co., Ltd. Affected before 2.5.12 Fixed in 2.5.12 Patch available CNA
Remediation
- Fix · CNA LT300 3.0 (Shenzhen Cudy Technology Co., Ltd.) Fixed in 2.5.12
Timeline
- 2026-10-02 Threatist record created from CVE-2026-32833
- 2026-10-03 Alias added: GHSA-wcjj-vwjf-qqvc
References
More Shenzhen Cudy Technology Co., Ltd. vulnerabilities
- TI-2026-50255 Cudy WR3000 2.0 Hard-coded JWT Secret Authentication Bypass via MQTT CVSS 4.0CRITICAL 9.3
- TI-2026-50256 Cudy WR3000 2.0 OS Command Injection via Mesh MQTT Command Handler CVSS 4.0HIGH 8.7
Sources
- CVE-2026-32833 · CVE Program
- CVE-2026-32833 · NVD
- FIRST EPSS
- GHSA-wcjj-vwjf-qqvc · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences