CVE-2025-43989 Command injection in n/a
Unauthenticated attackers can execute arbitrary OS commands on Shenzhen Tuoshi NR500-EA routers by exploiting a command injection vulnerability in the NTP server parameter.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2025-43989?
CVE-2025-43989 is a medium-severity command injection vulnerability in n/a, published on 13 Aug 2025. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official 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.
Weakness: CWE-78
Which versions are affected by CVE-2025-43989?
How do I fix CVE-2025-43989?
No fix has been published for CVE-2025-43989 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-2025-43989 being exploited?
There is no known exploitation of CVE-2025-43989 in the wild and no public exploit code.
Sources
Also known as GHSA-4v32-6xw7-c96f.