CVE-2025-43989: Command Injection (CVSS 6.5)

Description

The /goform/formJsonAjaxReq POST endpoint of Shenzhen Tuoshi NR500-EA RG500UEAABxCOMSLICv3.4.2731.16.43 devices mishandles the set_timesetting action with the ntpserver0 parameter, which is used in a system command. By setting a username=admin cookie (bypassing normal session checks), an unauthenticated attacker can use that parameter to execute arbitrary OS commands.

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CVSS v3.1 Score

6.5

MEDIUM

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:H/A:N

Weakness Type (CWE)

CWE-78 OS Command Injection

References

Other References

https://drive.proton.me/urls/H7J1DPNA00#XrmRLENzyZAp https://drive.proton.me/urls/QDVK6E2SBR#8LlpbHWzHdmr https://github.com/actuator/cve/blob/main/Tuoshi/CVE-2025-43989.txt https://github.com/actuator/cve/tree/main/Tuoshi

Frequently Asked Questions

What is CVE-2025-43989? +

The /goform/formJsonAjaxReq POST endpoint of Shenzhen Tuoshi NR500-EA RG500UEAABxCOMSLICv3.4.2731.16.43 devices mishandles the set_timesetting action with the ntpserver0 parameter, which is used in a system command. By setting a username=admin cookie (bypassing normal session checks), an unauthenticated attacker can use that parameter to execute arbitrary OS commands. It has a CVSS v3.1 base score of 6.5 (MEDIUM).

How severe is CVE-2025-43989? +

CVE-2025-43989 has a CVSS v3.1 score of 6.5 out of 10, rated MEDIUM. This is a medium-severity vulnerability that should be remediated as part of regular maintenance.

How do I check if I'm vulnerable to CVE-2025-43989? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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CVE-2025-43989