PatchSiren cyber security CVE debrief
CVE-2026-32833 Shenzhen Cudy Technology Co., Ltd. CVE debrief
CVE-2026-32833 is an OS command injection vulnerability in Cudy LT300 3.0 devices running firmware prior to version 2.5.12. The vulnerability 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. This can be exploited through the NTP settings endpoint, potentially leading to remote code execution on the underlying system. The vulnerability has a CVSS score of 8.7 and is classified as HIGH severity. The CVE was published on June 26, 2026, and last modified on June 29, 2026.
- Vendor
- Shenzhen Cudy Technology Co., Ltd.
- Product
- LT300 3.0
- CVSS
- HIGH 8.7
- CISA KEV
- Not listed in stored evidence
- Original CVE published
- 2026-06-26
- Original CVE updated
- 2026-06-29
- Advisory published
- 2026-06-26
- Advisory updated
- 2026-06-29
Who should care
Organizations using Cudy LT300 3.0 devices with firmware versions prior to 2.5.12 should prioritize patching this vulnerability. Additionally, network administrators, cybersecurity teams, and IT professionals responsible for managing and securing network infrastructure should be aware of this vulnerability and take necessary precautions to prevent exploitation.
Technical summary
The Cudy LT300 3.0 device, running firmware prior to version 2.5.12, is vulnerable to an OS command injection attack. This vulnerability, identified as CVE-2026-32833, allows authenticated attackers to execute arbitrary commands on the device by injecting shell metacharacters into the cbid.system.ntp.current POST parameter. The vulnerability exists in the system time configuration interface and can be exploited through the NTP settings endpoint. Successful exploitation could lead to remote code execution on the underlying system. The CVSS:4.0 vector for this vulnerability is 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.
Defensive priority
This vulnerability has a high CVSS score of 8.7 and is classified as HIGH severity. Given that it allows authenticated attackers to execute arbitrary commands, it is crucial for organizations using affected devices to prioritize patching.
Recommended defensive actions
- Apply firmware version 2.5.12 or later to Cudy LT300 3.0 devices.
- Restrict access to the system time configuration interface.
- Implement additional monitoring for suspicious activity on NTP settings.
- Verify and limit the privileges of authenticated users.
- Consider implementing compensating controls such as Web Application Firewalls (WAFs) to detect and prevent exploitation attempts.
Evidence notes
The CVE-2026-32833 record was obtained from the official CVE database and the National Vulnerability Database (NVD). The vulnerability details were provided by VulnCheck, which discovered the issue. The Cudy website provides firmware updates for the affected device.
Official resources
This article is AI-assisted and based on the supplied source corpus.