CVE-2025-15191 D-Link DWR-M920 formLtefotaUpgradeFibocom sub_4155B4 command injection

Medium 5.3 Published Updated

Remote attackers can execute arbitrary commands on D-Link DWR-M920 routers via the fota_url parameter in the LTE firmware upgrade interface.

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-2025-15191?

CVE-2025-15191 is a medium-severity command injection vulnerability in D-Link DWR-M920, published on 29 Dec 2025. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

A weakness has been identified in D-Link DWR-M920 up to 1.1.50. The affected element is the function sub_4155B4 of the file /boafrm/formLtefotaUpgradeFibocom. This manipulation of the argument fota_url causes command injection. Remote exploitation of the attack is possible. The exploit has been made available to the public and could be exploited.

Weakness: CWE-77, CWE-74

Which versions are affected by CVE-2025-15191?

It affects 1 product.

Products include Dlink Dwr-M920 Firmware.

How do I fix CVE-2025-15191?

No fix has been published for CVE-2025-15191 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-2025-15191 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2025-15191 exists.

Sources

Also known as GHSA-9j2r-7g42-jcwg.

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