CVE-2025-10440 D-Link DI-8100/DI-8100G/DI-8200/DI-8200G/DI-8003/DI-8003G jhttpd usb_paswd.asp sub_4621DC os command injection
Remote attackers can execute arbitrary OS commands via the hname argument in usb_paswd.asp on affected D-Link routers.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2025-10440?
CVE-2025-10440 is a medium-severity command injection vulnerability in D-Link DI-8003, published on 15 Sep 2025. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
A vulnerability has been found in D-Link DI-8100, DI-8100G, DI-8200, DI-8200G, DI-8003 and DI-8003G 16.07.26A1/17.12.20A1/19.12.10A1. Affected by this vulnerability is the function sub_4621DC of the file usb_paswd.asp of the component jhttpd. The manipulation of the argument hname leads to os command injection. The attack may be initiated remotely. The exploit has been disclosed to the public and may be used.
Which versions are affected by CVE-2025-10440?
How do I fix CVE-2025-10440?
No fix has been published for CVE-2025-10440 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-2025-10440 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2025-10440 exists.
Sources
Also known as GHSA-fwf7-vgqg-v7p3.