CVE-2026-10878 D-Link DWR-M920 formSmsManage sub_41C8E8 command injection

Medium 5.3 Published Updated

Remote attackers can execute arbitrary commands on D-Link DWR-M920 routers via the formSmsManage interface, requiring authentication.

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-2026-10878?

CVE-2026-10878 is a medium-severity command injection vulnerability in D-Link DWR-M920, published on 5 Jun 2026. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

A vulnerability was detected in D-Link DWR-M920 1.1.50/1.1.70. Affected is the function sub_41C8E8 of the file /boafrm/formSmsManage. Performing a manipulation of the argument action_value results in command injection. The attack is possible to be carried out remotely. The exploit is now public and may be used.

Weakness: CWE-77, CWE-74

Which versions are affected by CVE-2026-10878?

It affects 1 product.

Products include Dlink Dwr-M920 Firmware.

How do I fix CVE-2026-10878?

No fix has been published for CVE-2026-10878 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-2026-10878 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-10878 exists.

Sources

Also known as GHSA-j2q3-mwgw-r24j.

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