VulnerabilityDeferred

CVE-2025-43989

By setting a username=admin cookie (bypassing normal session checks), an unauthenticated attacker can use that parameter to execute arbitrary OS commands.

MEDIUM 6.5EPSS 6.48%

Does this matter?

Lower severity and a low EPSS score (6.48%). Track it; it rarely justifies an emergency change on its own.

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.

CVSS 3.1: 6.5 MEDIUMCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:H/A:N
EPSS: 6.48% probability · 93th percentile
CISA KEV: Not listed
Weakness: CWE-78
Source: cve@mitre.org

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

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.